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authorJay Conrod <jayconrod@google.com>2021-09-13 10:58:25 -0700
committerJay Conrod <jayconrod@google.com>2021-09-15 00:06:54 +0000
commitc7f2f51fed15b410dea5f608420858b401887d0a (patch)
tree806a02a12def7c05fddce4aac821d686503bac92
parent0bb40b08c4884952d7facce3135ff9e50847763f (diff)
downloadgo-c7f2f51fed15b410dea5f608420858b401887d0a.tar.gz
go-c7f2f51fed15b410dea5f608420858b401887d0a.zip
cmd/go: remove subcommand prefix from error messages
For example, errors that started before with "go mod download: " now start with "go: " instead. Previously, we had a mix of errors with and without subcommand prefixes, even in packages like modload that ostensibly aren't tied to any specific command. This change makes usage more consistent, which makes refactoring much easier. These prefixes didn't add useful information: the user should know the subcommand they just ran. But see CL 347152 for an attempt at making the opposite change: always printing the subcommand prefix. Note that there are a number of errors that don't start with "go: " or any subcommand prefix. This CL doesn't affect those. Change-Id: I16430d8c39ea3f4d0870f55a5205f06fb21943c0 Reviewed-on: https://go-review.googlesource.com/c/go/+/349597 Trust: Jay Conrod <jayconrod@google.com> Run-TryBot: Jay Conrod <jayconrod@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Bryan C. Mills <bcmills@google.com>
-rw-r--r--src/cmd/go/internal/base/tool.go2
-rw-r--r--src/cmd/go/internal/bug/bug.go2
-rw-r--r--src/cmd/go/internal/clean/clean.go16
-rw-r--r--src/cmd/go/internal/envcmd/env.go32
-rw-r--r--src/cmd/go/internal/get/get.go10
-rw-r--r--src/cmd/go/internal/list/list.go10
-rw-r--r--src/cmd/go/internal/modcmd/download.go10
-rw-r--r--src/cmd/go/internal/modcmd/edit.go50
-rw-r--r--src/cmd/go/internal/modcmd/editwork.go26
-rw-r--r--src/cmd/go/internal/modcmd/graph.go2
-rw-r--r--src/cmd/go/internal/modcmd/init.go2
-rw-r--r--src/cmd/go/internal/modcmd/tidy.go2
-rw-r--r--src/cmd/go/internal/modcmd/vendor.go34
-rw-r--r--src/cmd/go/internal/modcmd/verify.go2
-rw-r--r--src/cmd/go/internal/modcmd/why.go4
-rw-r--r--src/cmd/go/internal/modget/get.go34
-rw-r--r--src/cmd/go/internal/modget/query.go8
-rw-r--r--src/cmd/go/internal/modload/load.go6
-rw-r--r--src/cmd/go/internal/run/run.go12
-rw-r--r--src/cmd/go/internal/test/test.go2
-rw-r--r--src/cmd/go/internal/test/testflag.go2
-rw-r--r--src/cmd/go/internal/tool/tool.go6
-rw-r--r--src/cmd/go/internal/version/version.go10
-rw-r--r--src/cmd/go/internal/vet/vet.go2
-rw-r--r--src/cmd/go/internal/vet/vetflag.go4
-rw-r--r--src/cmd/go/internal/work/action.go4
-rw-r--r--src/cmd/go/internal/work/build.go26
-rw-r--r--src/cmd/go/internal/work/init.go15
-rw-r--r--src/cmd/go/testdata/script/build_i_deprecate.txt6
-rw-r--r--src/cmd/go/testdata/script/env_unset.txt6
-rw-r--r--src/cmd/go/testdata/script/env_write.txt18
-rw-r--r--src/cmd/go/testdata/script/get_go_file.txt12
-rw-r--r--src/cmd/go/testdata/script/get_insecure_no_longer_supported.txt4
-rw-r--r--src/cmd/go/testdata/script/gopath_install.txt2
-rw-r--r--src/cmd/go/testdata/script/gopath_local.txt4
-rw-r--r--src/cmd/go/testdata/script/govcs.txt26
-rw-r--r--src/cmd/go/testdata/script/list_shadow.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_bad_domain.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_dot.txt6
-rw-r--r--src/cmd/go/testdata/script/mod_download.txt10
-rw-r--r--src/cmd/go/testdata/script/mod_edit.txt10
-rw-r--r--src/cmd/go/testdata/script/mod_get_changes.txt12
-rw-r--r--src/cmd/go/testdata/script/mod_get_deprecate_install.txt4
-rw-r--r--src/cmd/go/testdata/script/mod_get_downgrade.txt4
-rw-r--r--src/cmd/go/testdata/script/mod_get_downgrade_missing.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_get_go_file.txt10
-rw-r--r--src/cmd/go/testdata/script/mod_get_main.txt14
-rw-r--r--src/cmd/go/testdata/script/mod_get_newcycle.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_get_nopkgs.txt4
-rw-r--r--src/cmd/go/testdata/script/mod_get_patch.txt6
-rw-r--r--src/cmd/go/testdata/script/mod_get_patchcycle.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_get_patchmod.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_get_patterns.txt4
-rw-r--r--src/cmd/go/testdata/script/mod_get_pkgtags.txt4
-rw-r--r--src/cmd/go/testdata/script/mod_get_private_vcs.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_get_replaced.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_get_split.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_get_svn.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_get_wild.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_getmode_vendor.txt6
-rw-r--r--src/cmd/go/testdata/script/mod_gonoproxy.txt4
-rw-r--r--src/cmd/go/testdata/script/mod_install_pkg_version.txt22
-rw-r--r--src/cmd/go/testdata/script/mod_invalid_path.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_invalid_path_plus.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_invalid_version.txt32
-rw-r--r--src/cmd/go/testdata/script/mod_list.txt4
-rw-r--r--src/cmd/go/testdata/script/mod_list_sums.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_list_update_nolatest.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_load_badchain.txt6
-rw-r--r--src/cmd/go/testdata/script/mod_outside.txt6
-rw-r--r--src/cmd/go/testdata/script/mod_prefer_compatible.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_proxy_invalid.txt4
-rw-r--r--src/cmd/go/testdata/script/mod_query.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_query_empty.txt4
-rw-r--r--src/cmd/go/testdata/script/mod_query_exclude.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_query_main.txt10
-rw-r--r--src/cmd/go/testdata/script/mod_replace_gopkgin.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_retract_fix_version.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_retract_pseudo_base.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_run_nonmain.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_run_pkg_version.txt6
-rw-r--r--src/cmd/go/testdata/script/mod_sum_readonly.txt6
-rw-r--r--src/cmd/go/testdata/script/mod_sumdb.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_sumdb_file_path.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_tidy_compat.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_tidy_compat_ambiguous.txt2
-rw-r--r--src/cmd/go/testdata/script/mod_tidy_too_new.txt4
-rw-r--r--src/cmd/go/testdata/script/mod_upgrade_patch.txt6
-rw-r--r--src/cmd/go/testdata/script/mod_vendor.txt6
-rw-r--r--src/cmd/go/testdata/script/mod_vendor_auto.txt8
-rw-r--r--src/cmd/go/testdata/script/mod_vendor_embed.txt4
-rw-r--r--src/cmd/go/testdata/script/run_wildcard.txt2
-rw-r--r--src/cmd/go/testdata/script/test_flag.txt6
-rw-r--r--src/cmd/go/testdata/script/test_race_install.txt2
94 files changed, 353 insertions, 348 deletions
diff --git a/src/cmd/go/internal/base/tool.go b/src/cmd/go/internal/base/tool.go
index d0da65e03c..f927016965 100644
--- a/src/cmd/go/internal/base/tool.go
+++ b/src/cmd/go/internal/base/tool.go
@@ -36,7 +36,7 @@ func Tool(toolName string) string {
}
// Give a nice message if there is no tool with that name.
if _, err := os.Stat(toolPath); err != nil {
- fmt.Fprintf(os.Stderr, "go tool: no such tool %q\n", toolName)
+ fmt.Fprintf(os.Stderr, "go: no such tool %q\n", toolName)
SetExitStatus(2)
Exit()
}
diff --git a/src/cmd/go/internal/bug/bug.go b/src/cmd/go/internal/bug/bug.go
index 307527c695..a81ca7d8c3 100644
--- a/src/cmd/go/internal/bug/bug.go
+++ b/src/cmd/go/internal/bug/bug.go
@@ -40,7 +40,7 @@ func init() {
func runBug(ctx context.Context, cmd *base.Command, args []string) {
if len(args) > 0 {
- base.Fatalf("go bug: bug takes no arguments")
+ base.Fatalf("go: bug takes no arguments")
}
var buf bytes.Buffer
buf.WriteString(bugHeader)
diff --git a/src/cmd/go/internal/clean/clean.go b/src/cmd/go/internal/clean/clean.go
index fd4cb20559..1089211f0c 100644
--- a/src/cmd/go/internal/clean/clean.go
+++ b/src/cmd/go/internal/clean/clean.go
@@ -144,7 +144,7 @@ func runClean(ctx context.Context, cmd *base.Command, args []string) {
// This also mimics what os.RemoveAll(dir) would do.
if err := os.RemoveAll(d); err != nil && !printedErrors {
printedErrors = true
- base.Errorf("go clean -cache: %v", err)
+ base.Errorf("go: %v", err)
}
}
}
@@ -157,7 +157,7 @@ func runClean(ctx context.Context, cmd *base.Command, args []string) {
if !cfg.BuildN {
if err := os.RemoveAll(logFile); err != nil && !printedErrors {
printedErrors = true
- base.Errorf("go clean -cache: %v", err)
+ base.Errorf("go: %v", err)
}
}
}
@@ -187,7 +187,7 @@ func runClean(ctx context.Context, cmd *base.Command, args []string) {
}
if err != nil {
if _, statErr := os.Stat(dir); !os.IsNotExist(statErr) {
- base.Errorf("go clean -testcache: %v", err)
+ base.Errorf("go: %v", err)
}
}
}
@@ -195,14 +195,14 @@ func runClean(ctx context.Context, cmd *base.Command, args []string) {
if cleanModcache {
if cfg.GOMODCACHE == "" {
- base.Fatalf("go clean -modcache: no module cache")
+ base.Fatalf("go: cannot clean -modcache without a module cache")
}
if cfg.BuildN || cfg.BuildX {
b.Showcmd("", "rm -rf %s", cfg.GOMODCACHE)
}
if !cfg.BuildN {
if err := modfetch.RemoveAll(cfg.GOMODCACHE); err != nil {
- base.Errorf("go clean -modcache: %v", err)
+ base.Errorf("go: %v", err)
}
}
}
@@ -245,7 +245,7 @@ func clean(p *load.Package) {
}
dirs, err := os.ReadDir(p.Dir)
if err != nil {
- base.Errorf("go clean %s: %v", p.Dir, err)
+ base.Errorf("go: %s: %v", p.Dir, err)
return
}
@@ -334,7 +334,7 @@ func clean(p *load.Package) {
}
}
if err := os.RemoveAll(filepath.Join(p.Dir, name)); err != nil {
- base.Errorf("go clean: %v", err)
+ base.Errorf("go: %v", err)
}
}
continue
@@ -386,5 +386,5 @@ func removeFile(f string) {
return
}
}
- base.Errorf("go clean: %v", err)
+ base.Errorf("go: %v", err)
}
diff --git a/src/cmd/go/internal/envcmd/env.go b/src/cmd/go/internal/envcmd/env.go
index d23d539141..1eb773407e 100644
--- a/src/cmd/go/internal/envcmd/env.go
+++ b/src/cmd/go/internal/envcmd/env.go
@@ -193,13 +193,13 @@ func argKey(arg string) string {
func runEnv(ctx context.Context, cmd *base.Command, args []string) {
if *envJson && *envU {
- base.Fatalf("go env: cannot use -json with -u")
+ base.Fatalf("go: cannot use -json with -u")
}
if *envJson && *envW {
- base.Fatalf("go env: cannot use -json with -w")
+ base.Fatalf("go: cannot use -json with -w")
}
if *envU && *envW {
- base.Fatalf("go env: cannot use -u with -w")
+ base.Fatalf("go: cannot use -u with -w")
}
// Handle 'go env -w' and 'go env -u' before calling buildcfg.Check,
@@ -277,7 +277,7 @@ func runEnv(ctx context.Context, cmd *base.Command, args []string) {
func runEnvW(args []string) {
// Process and sanity-check command line.
if len(args) == 0 {
- base.Fatalf("go env -w: no KEY=VALUE arguments given")
+ base.Fatalf("go: no KEY=VALUE arguments given")
}
osEnv := make(map[string]string)
for _, e := range cfg.OrigEnv {
@@ -289,14 +289,14 @@ func runEnvW(args []string) {
for _, arg := range args {
i := strings.Index(arg, "=")
if i < 0 {
- base.Fatalf("go env -w: arguments must be KEY=VALUE: invalid argument: %s", arg)
+ base.Fatalf("go: arguments must be KEY=VALUE: invalid argument: %s", arg)
}
key, val := arg[:i], arg[i+1:]
if err := checkEnvWrite(key, val); err != nil {
- base.Fatalf("go env -w: %v", err)
+ base.Fatalf("go: %v", err)
}
if _, ok := add[key]; ok {
- base.Fatalf("go env -w: multiple values for key: %s", key)
+ base.Fatalf("go: multiple values for key: %s", key)
}
add[key] = val
if osVal := osEnv[key]; osVal != "" && osVal != val {
@@ -305,13 +305,13 @@ func runEnvW(args []string) {
}
if err := checkBuildConfig(add, nil); err != nil {
- base.Fatalf("go env -w: %v", err)
+ base.Fatalf("go: %v", err)
}
gotmp, okGOTMP := add["GOTMPDIR"]
if okGOTMP {
if !filepath.IsAbs(gotmp) && gotmp != "" {
- base.Fatalf("go env -w: GOTMPDIR must be an absolute path")
+ base.Fatalf("go: GOTMPDIR must be an absolute path")
}
}
@@ -321,18 +321,18 @@ func runEnvW(args []string) {
func runEnvU(args []string) {
// Process and sanity-check command line.
if len(args) == 0 {
- base.Fatalf("go env -u: no arguments given")
+ base.Fatalf("go: 'go env -u' requires an argument")
}
del := make(map[string]bool)
for _, arg := range args {
if err := checkEnvWrite(arg, ""); err != nil {
- base.Fatalf("go env -u: %v", err)
+ base.Fatalf("go: %v", err)
}
del[arg] = true
}
if err := checkBuildConfig(nil, del); err != nil {
- base.Fatalf("go env -u: %v", err)
+ base.Fatalf("go: %v", err)
}
updateEnvFile(nil, del)
@@ -416,7 +416,7 @@ func printEnvAsJSON(env []cfg.EnvVar) {
enc := json.NewEncoder(os.Stdout)
enc.SetIndent("", "\t")
if err := enc.Encode(m); err != nil {
- base.Fatalf("go env -json: %s", err)
+ base.Fatalf("go: %s", err)
}
}
@@ -494,11 +494,11 @@ func checkEnvWrite(key, val string) error {
func updateEnvFile(add map[string]string, del map[string]bool) {
file, err := cfg.EnvFile()
if file == "" {
- base.Fatalf("go env: cannot find go env config: %v", err)
+ base.Fatalf("go: cannot find go env config: %v", err)
}
data, err := os.ReadFile(file)
if err != nil && (!os.IsNotExist(err) || len(add) == 0) {
- base.Fatalf("go env: reading go env config: %v", err)
+ base.Fatalf("go: reading go env config: %v", err)
}
lines := strings.SplitAfter(string(data), "\n")
@@ -556,7 +556,7 @@ func updateEnvFile(add map[string]string, del map[string]bool) {
os.MkdirAll(filepath.Dir(file), 0777)
err = os.WriteFile(file, data, 0666)
if err != nil {
- base.Fatalf("go env: writing go env config: %v", err)
+ base.Fatalf("go: writing go env config: %v", err)
}
}
}
diff --git a/src/cmd/go/internal/get/get.go b/src/cmd/go/internal/get/get.go
index 075594b271..b79d3ba86f 100644
--- a/src/cmd/go/internal/get/get.go
+++ b/src/cmd/go/internal/get/get.go
@@ -114,16 +114,16 @@ func init() {
func runGet(ctx context.Context, cmd *base.Command, args []string) {
if cfg.ModulesEnabled {
// Should not happen: main.go should install the separate module-enabled get code.
- base.Fatalf("go get: modules not implemented")
+ base.Fatalf("go: modules not implemented")
}
work.BuildInit()
if *getF && !*getU {
- base.Fatalf("go get: cannot use -f flag without -u")
+ base.Fatalf("go: cannot use -f flag without -u")
}
if *getInsecure {
- base.Fatalf("go get: -insecure flag is no longer supported; use GOINSECURE instead")
+ base.Fatalf("go: -insecure flag is no longer supported; use GOINSECURE instead")
}
// Disable any prompting for passwords by Git itself.
@@ -214,11 +214,11 @@ func downloadPaths(patterns []string) []string {
// if the argument has no slash or refers to an existing file.
if strings.HasSuffix(arg, ".go") {
if !strings.Contains(arg, "/") {
- base.Errorf("go get %s: arguments must be package or module paths", arg)
+ base.Errorf("go: %s: arguments must be package or module paths", arg)
continue
}
if fi, err := os.Stat(arg); err == nil && !fi.IsDir() {
- base.Errorf("go get: %s exists as a file, but 'go get' requires package arguments", arg)
+ base.Errorf("go: %s exists as a file, but 'go get' requires package arguments", arg)
}
}
}
diff --git a/src/cmd/go/internal/list/list.go b/src/cmd/go/internal/list/list.go
index 704d61e7c1..821e622abb 100644
--- a/src/cmd/go/internal/list/list.go
+++ b/src/cmd/go/internal/list/list.go
@@ -427,12 +427,12 @@ func runList(ctx context.Context, cmd *base.Command, args []string) {
}
if modload.Init(); !modload.Enabled() {
- base.Fatalf("go list -m: not using modules")
+ base.Fatalf("go: list -m cannot be used with GO111MODULE=off")
}
modload.LoadModFile(ctx) // Sets cfg.BuildMod as a side-effect.
if cfg.BuildMod == "vendor" {
- const actionDisabledFormat = "go list -m: can't %s using the vendor directory\n\t(Use -mod=mod or -mod=readonly to bypass.)"
+ const actionDisabledFormat = "go: can't %s using the vendor directory\n\t(Use -mod=mod or -mod=readonly to bypass.)"
if *listVersions {
base.Fatalf(actionDisabledFormat, "determine available versions")
@@ -471,11 +471,11 @@ func runList(ctx context.Context, cmd *base.Command, args []string) {
if !*listE {
for _, m := range mods {
if m.Error != nil {
- base.Errorf("go list -m: %v", m.Error.Err)
+ base.Errorf("go: %v", m.Error.Err)
}
}
if err != nil {
- base.Errorf("go list -m: %v", err)
+ base.Errorf("go: %v", err)
}
base.ExitIfErrors()
}
@@ -711,7 +711,7 @@ func runList(ctx context.Context, cmd *base.Command, args []string) {
}
rmods, err := modload.ListModules(ctx, args, mode)
if err != nil && !*listE {
- base.Errorf("go list -retracted: %v", err)
+ base.Errorf("go: %v", err)
}
for i, arg := range args {
rmod := rmods[i]
diff --git a/src/cmd/go/internal/modcmd/download.go b/src/cmd/go/internal/modcmd/download.go
index ff56d05116..0f64785656 100644
--- a/src/cmd/go/internal/modcmd/download.go
+++ b/src/cmd/go/internal/modcmd/download.go
@@ -87,7 +87,7 @@ func runDownload(ctx context.Context, cmd *base.Command, args []string) {
// Check whether modules are enabled and whether we're in a module.
modload.ForceUseModules = true
if !modload.HasModRoot() && len(args) == 0 {
- base.Fatalf("go mod download: no modules specified (see 'go help mod download')")
+ base.Fatalf("go: no modules specified (see 'go help mod download')")
}
haveExplicitArgs := len(args) > 0
if !haveExplicitArgs {
@@ -106,7 +106,7 @@ func runDownload(ctx context.Context, cmd *base.Command, args []string) {
for _, arg := range args {
switch arg {
case mainModule.Path, targetAtUpgrade, targetAtPatch:
- os.Stderr.WriteString("go mod download: skipping argument " + arg + " that resolves to the main module\n")
+ os.Stderr.WriteString("go: skipping download of " + arg + " that resolves to the main module\n")
}
}
}
@@ -192,7 +192,7 @@ func runDownload(ctx context.Context, cmd *base.Command, args []string) {
for _, m := range mods {
b, err := json.MarshalIndent(m, "", "\t")
if err != nil {
- base.Fatalf("go mod download: %v", err)
+ base.Fatalf("go: %v", err)
}
os.Stdout.Write(append(b, '\n'))
if m.Error != "" {
@@ -202,7 +202,7 @@ func runDownload(ctx context.Context, cmd *base.Command, args []string) {
} else {
for _, m := range mods {
if m.Error != "" {
- base.Errorf("go mod download: %v", m.Error)
+ base.Errorf("go: %v", m.Error)
}
}
base.ExitIfErrors()
@@ -222,6 +222,6 @@ func runDownload(ctx context.Context, cmd *base.Command, args []string) {
// (after we've written the checksums for the modules that were downloaded
// successfully).
if infosErr != nil {
- base.Errorf("go mod download: %v", infosErr)
+ base.Errorf("go: %v", infosErr)
}
}
diff --git a/src/cmd/go/internal/modcmd/edit.go b/src/cmd/go/internal/modcmd/edit.go
index bb3d521092..e5182a9590 100644
--- a/src/cmd/go/internal/modcmd/edit.go
+++ b/src/cmd/go/internal/modcmd/edit.go
@@ -171,15 +171,15 @@ func runEdit(ctx context.Context, cmd *base.Command, args []string) {
len(edits) > 0
if !anyFlags {
- base.Fatalf("go mod edit: no flags specified (see 'go help mod edit').")
+ base.Fatalf("go: no flags specified (see 'go help mod edit').")
}
if *editJSON && *editPrint {
- base.Fatalf("go mod edit: cannot use both -json and -print")
+ base.Fatalf("go: cannot use both -json and -print")
}
if len(args) > 1 {
- base.Fatalf("go mod edit: too many arguments")
+ base.Fatalf("go: too many arguments")
}
var gomod string
if len(args) == 1 {
@@ -190,7 +190,7 @@ func runEdit(ctx context.Context, cmd *base.Command, args []string) {
if *editModule != "" {
if err := module.CheckImportPath(*editModule); err != nil {
- base.Fatalf("go mod: invalid -module: %v", err)
+ base.Fatalf("go: invalid -module: %v", err)
}
}
@@ -264,15 +264,15 @@ func runEdit(ctx context.Context, cmd *base.Command, args []string) {
func parsePathVersion(flag, arg string) (path, version string) {
i := strings.Index(arg, "@")
if i < 0 {
- base.Fatalf("go mod: -%s=%s: need path@version", flag, arg)
+ base.Fatalf("go: -%s=%s: need path@version", flag, arg)
}
path, version = strings.TrimSpace(arg[:i]), strings.TrimSpace(arg[i+1:])
if err := module.CheckImportPath(path); err != nil {
- base.Fatalf("go mod: -%s=%s: invalid path: %v", flag, arg, err)
+ base.Fatalf("go: -%s=%s: invalid path: %v", flag, arg, err)
}
if !allowedVersionArg(version) {
- base.Fatalf("go mod: -%s=%s: invalid version %q", flag, arg, version)
+ base.Fatalf("go: -%s=%s: invalid version %q", flag, arg, version)
}
return path, version
@@ -281,11 +281,11 @@ func parsePathVersion(flag, arg string) (path, version string) {
// parsePath parses -flag=arg expecting arg to be path (not path@version).
func parsePath(flag, arg string) (path string) {
if strings.Contains(arg, "@") {
- base.Fatalf("go mod: -%s=%s: need just path, not path@version", flag, arg)
+ base.Fatalf("go: -%s=%s: need just path, not path@version", flag, arg)
}
path = arg
if err := module.CheckImportPath(path); err != nil {
- base.Fatalf("go mod: -%s=%s: invalid path: %v", flag, arg, err)
+ base.Fatalf("go: -%s=%s: invalid path: %v", flag, arg, err)
}
return path
}
@@ -350,7 +350,7 @@ func flagRequire(arg string) {
path, version := parsePathVersion("require", arg)
edits = append(edits, func(f *modfile.File) {
if err := f.AddRequire(path, version); err != nil {
- base.Fatalf("go mod: -require=%s: %v", arg, err)
+ base.Fatalf("go: -require=%s: %v", arg, err)
}
})
}
@@ -360,7 +360,7 @@ func flagDropRequire(arg string) {
path := parsePath("droprequire", arg)
edits = append(edits, func(f *modfile.File) {
if err := f.DropRequire(path); err != nil {
- base.Fatalf("go mod: -droprequire=%s: %v", arg, err)
+ base.Fatalf("go: -droprequire=%s: %v", arg, err)
}
})
}
@@ -370,7 +370,7 @@ func flagExclude(arg string) {
path, version := parsePathVersion("exclude", arg)
edits = append(edits, func(f *modfile.File) {
if err := f.AddExclude(path, version); err != nil {
- base.Fatalf("go mod: -exclude=%s: %v", arg, err)
+ base.Fatalf("go: -exclude=%s: %v", arg, err)
}
})
}
@@ -380,7 +380,7 @@ func flagDropExclude(arg string) {
path, version := parsePathVersion("dropexclude", arg)
edits = append(edits, func(f *modfile.File) {
if err := f.DropExclude(path, version); err != nil {
- base.Fatalf("go mod: -dropexclude=%s: %v", arg, err)
+ base.Fatalf("go: -dropexclude=%s: %v", arg, err)
}
})
}
@@ -389,27 +389,27 @@ func flagDropExclude(arg string) {
func flagReplace(arg string) {
var i int
if i = strings.Index(arg, "="); i < 0 {
- base.Fatalf("go mod: -replace=%s: need old[@v]=new[@w] (missing =)", arg)
+ base.Fatalf("go: -replace=%s: need old[@v]=new[@w] (missing =)", arg)
}
old, new := strings.TrimSpace(arg[:i]), strings.TrimSpace(arg[i+1:])
if strings.HasPrefix(new, ">") {
- base.Fatalf("go mod: -replace=%s: separator between old and new is =, not =>", arg)
+ base.Fatalf("go: -replace=%s: separator between old and new is =, not =>", arg)
}
oldPath, oldVersion, err := parsePathVersionOptional("old", old, false)
if err != nil {
- base.Fatalf("go mod: -replace=%s: %v", arg, err)
+ base.Fatalf("go: -replace=%s: %v", arg, err)
}
newPath, newVersion, err := parsePathVersionOptional("new", new, true)
if err != nil {
- base.Fatalf("go mod: -replace=%s: %v", arg, err)
+ base.Fatalf("go: -replace=%s: %v", arg, err)
}
if newPath == new && !modfile.IsDirectoryPath(new) {
- base.Fatalf("go mod: -replace=%s: unversioned new path must be local directory", arg)
+ base.Fatalf("go: -replace=%s: unversioned new path must be local directory", arg)
}
edits = append(edits, func(f *modfile.File) {
if err := f.AddReplace(oldPath, oldVersion, newPath, newVersion); err != nil {
- base.Fatalf("go mod: -replace=%s: %v", arg, err)
+ base.Fatalf("go: -replace=%s: %v", arg, err)
}
})
}
@@ -418,11 +418,11 @@ func flagReplace(arg string) {
func flagDropReplace(arg string) {
path, version, err := parsePathVersionOptional("old", arg, true)
if err != nil {
- base.Fatalf("go mod: -dropreplace=%s: %v", arg, err)
+ base.Fatalf("go: -dropreplace=%s: %v", arg, err)
}
edits = append(edits, func(f *modfile.File) {
if err := f.DropReplace(path, version); err != nil {
- base.Fatalf("go mod: -dropreplace=%s: %v", arg, err)
+ base.Fatalf("go: -dropreplace=%s: %v", arg, err)
}
})
}
@@ -431,11 +431,11 @@ func flagDropReplace(arg string) {
func flagRetract(arg string) {
vi, err := parseVersionInterval(arg)
if err != nil {
- base.Fatalf("go mod: -retract=%s: %v", arg, err)
+ base.Fatalf("go: -retract=%s: %v", arg, err)
}
edits = append(edits, func(f *modfile.File) {
if err := f.AddRetract(vi, ""); err != nil {
- base.Fatalf("go mod: -retract=%s: %v", arg, err)
+ base.Fatalf("go: -retract=%s: %v", arg, err)
}
})
}
@@ -444,11 +444,11 @@ func flagRetract(arg string) {
func flagDropRetract(arg string) {
vi, err := parseVersionInterval(arg)
if err != nil {
- base.Fatalf("go mod: -dropretract=%s: %v", arg, err)
+ base.Fatalf("go: -dropretract=%s: %v", arg, err)
}
edits = append(edits, func(f *modfile.File) {
if err := f.DropRetract(vi); err != nil {
- base.Fatalf("go mod: -dropretract=%s: %v", arg, err)
+ base.Fatalf("go: -dropretract=%s: %v", arg, err)
}
})
}
diff --git a/src/cmd/go/internal/modcmd/editwork.go b/src/cmd/go/internal/modcmd/editwork.go
index 29895b1620..235c655387 100644
--- a/src/cmd/go/internal/modcmd/editwork.go
+++ b/src/cmd/go/internal/modcmd/editwork.go
@@ -118,15 +118,15 @@ func runEditwork(ctx context.Context, cmd *base.Command, args []string) {
len(workedits) > 0
if !anyFlags {
- base.Fatalf("go mod edit: no flags specified (see 'go help mod edit').")
+ base.Fatalf("go: no flags specified (see 'go help mod edit').")
}
if *editworkJSON && *editworkPrint {
- base.Fatalf("go mod edit: cannot use both -json and -print")
+ base.Fatalf("go: cannot use both -json and -print")
}
if len(args) > 1 {
- base.Fatalf("go mod edit: too many arguments")
+ base.Fatalf("go: 'go mod editwork' accepts at most one argument")
}
var gowork string
if len(args) == 1 {
@@ -199,7 +199,7 @@ func flagEditworkDirectory(arg string) {
}
f.AddDirectory(modload.ToDirectoryPath(arg), modulePath)
if err := f.AddDirectory(modload.ToDirectoryPath(arg), ""); err != nil {
- base.Fatalf("go mod: -directory=%s: %v", arg, err)
+ base.Fatalf("go: -directory=%s: %v", arg, err)
}
})
}
@@ -208,7 +208,7 @@ func flagEditworkDirectory(arg string) {
func flagEditworkDropDirectory(arg string) {
workedits = append(workedits, func(f *modfile.WorkFile) {
if err := f.DropDirectory(modload.ToDirectoryPath(arg)); err != nil {
- base.Fatalf("go mod: -dropdirectory=%s: %v", arg, err)
+ base.Fatalf("go: -dropdirectory=%s: %v", arg, err)
}
})
}
@@ -217,27 +217,27 @@ func flagEditworkDropDirectory(arg string) {
func flagEditworkReplace(arg string) {
var i int
if i = strings.Index(arg, "="); i < 0 {
- base.Fatalf("go mod: -replace=%s: need old[@v]=new[@w] (missing =)", arg)
+ base.Fatalf("go: -replace=%s: need old[@v]=new[@w] (missing =)", arg)
}
old, new := strings.TrimSpace(arg[:i]), strings.TrimSpace(arg[i+1:])
if strings.HasPrefix(new, ">") {
- base.Fatalf("go mod: -replace=%s: separator between old and new is =, not =>", arg)
+ base.Fatalf("go: -replace=%s: separator between old and new is =, not =>", arg)
}
oldPath, oldVersion, err := parsePathVersionOptional("old", old, false)
if err != nil {
- base.Fatalf("go mod: -replace=%s: %v", arg, err)
+ base.Fatalf("go: -replace=%s: %v", arg, err)
}
newPath, newVersion, err := parsePathVersionOptional("new", new, true)
if err != nil {
- base.Fatalf("go mod: -replace=%s: %v", arg, err)
+ base.Fatalf("go: -replace=%s: %v", arg, err)
}
if newPath == new && !modfile.IsDirectoryPath(new) {
- base.Fatalf("go mod: -replace=%s: unversioned new path must be local directory", arg)
+ base.Fatalf("go: -replace=%s: unversioned new path must be local directory", arg)
}
workedits = append(workedits, func(f *modfile.WorkFile) {
if err := f.AddReplace(oldPath, oldVersion, newPath, newVersion); err != nil {
- base.Fatalf("go mod: -replace=%s: %v", arg, err)
+ base.Fatalf("go: -replace=%s: %v", arg, err)
}
})
}
@@ -246,11 +246,11 @@ func flagEditworkReplace(arg string) {
func flagEditworkDropReplace(arg string) {
path, version, err := parsePathVersionOptional("old", arg, true)
if err != nil {
- base.Fatalf("go mod: -dropreplace=%s: %v", arg, err)
+ base.Fatalf("go: -dropreplace=%s: %v", arg, err)
}
workedits = append(workedits, func(f *modfile.WorkFile) {
if err := f.DropReplace(path, version); err != nil {
- base.Fatalf("go mod: -dropreplace=%s: %v", arg, err)
+ base.Fatalf("go: -dropreplace=%s: %v", arg, err)
}
})
}
diff --git a/src/cmd/go/internal/modcmd/graph.go b/src/cmd/go/internal/modcmd/graph.go
index 2cbabae044..9b6aa1fb14 100644
--- a/src/cmd/go/internal/modcmd/graph.go
+++ b/src/cmd/go/internal/modcmd/graph.go
@@ -49,7 +49,7 @@ func runGraph(ctx context.Context, cmd *base.Command, args []string) {
modload.InitWorkfile()
if len(args) > 0 {
- base.Fatalf("go mod graph: graph takes no arguments")
+ base.Fatalf("go: 'go mod graph' accepts no arguments")
}
modload.ForceUseModules = true
modload.RootMode = modload.NeedRoot
diff --git a/src/cmd/go/internal/modcmd/init.go b/src/cmd/go/internal/modcmd/init.go
index 958c3066ac..bc4620a2a8 100644
--- a/src/cmd/go/internal/modcmd/init.go
+++ b/src/cmd/go/internal/modcmd/init.go
@@ -39,7 +39,7 @@ func init() {
func runInit(ctx context.Context, cmd *base.Command, args []string) {
if len(args) > 1 {
- base.Fatalf("go mod init: too many arguments")
+ base.Fatalf("go: 'go mod init' accepts at most one argument")
}
var modPath string
if len(args) == 1 {
diff --git a/src/cmd/go/internal/modcmd/tidy.go b/src/cmd/go/internal/modcmd/tidy.go
index fe25507e94..57d303a13c 100644
--- a/src/cmd/go/internal/modcmd/tidy.go
+++ b/src/cmd/go/internal/modcmd/tidy.go
@@ -95,7 +95,7 @@ func (f *goVersionFlag) Set(s string) error {
func runTidy(ctx context.Context, cmd *base.Command, args []string) {
if len(args) > 0 {
- base.Fatalf("go mod tidy: no arguments allowed")
+ base.Fatalf("go: 'go mod tidy' accepts no arguments")
}
// Tidy aims to make 'go test' reproducible for any package in 'all', so we
diff --git a/src/cmd/go/internal/modcmd/vendor.go b/src/cmd/go/internal/modcmd/vendor.go
index 1effcea1a0..92348b8897 100644
--- a/src/cmd/go/internal/modcmd/vendor.go
+++ b/src/cmd/go/internal/modcmd/vendor.go
@@ -59,7 +59,7 @@ func init() {
func runVendor(ctx context.Context, cmd *base.Command, args []string) {
if len(args) != 0 {
- base.Fatalf("go mod vendor: vendor takes no arguments")
+ base.Fatalf("go: 'go mod vendor' accepts no arguments")
}
modload.ForceUseModules = true
modload.RootMode = modload.NeedRoot
@@ -76,7 +76,7 @@ func runVendor(ctx context.Context, cmd *base.Command, args []string) {
vdir := filepath.Join(modload.VendorDir())
if err := os.RemoveAll(vdir); err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
modpkgs := make(map[module.Version][]string)
@@ -178,11 +178,11 @@ func runVendor(ctx context.Context, cmd *base.Command, args []string) {
}
if err := os.MkdirAll(vdir, 0777); err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
if err := os.WriteFile(filepath.Join(vdir, "modules.txt"), buf.Bytes(), 0666); err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
}
@@ -250,7 +250,7 @@ func vendorPkg(vdir, pkg string) {
embedPatterns := str.StringList(bp.EmbedPatterns, bp.TestEmbedPatterns, bp.XTestEmbedPatterns)
embeds, err := load.ResolveEmbed(bp.Dir, embedPatterns)
if err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
for _, embed := range embeds {
embedDst := filepath.Join(dst, embed)
@@ -261,21 +261,21 @@ func vendorPkg(vdir, pkg string) {
// Copy the file as is done by copyDir below.
r, err := os.Open(filepath.Join(src, embed))
if err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
if err := os.MkdirAll(filepath.Dir(embedDst), 0777); err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
w, err := os.Create(embedDst)
if err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
if _, err := io.Copy(w, r); err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
r.Close()
if err := w.Close(); err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
}
}
@@ -354,7 +354,7 @@ func matchPotentialSourceFile(dir string, info fs.DirEntry) bool {
if strings.HasSuffix(info.Name(), ".go") {
f, err := fsys.Open(filepath.Join(dir, info.Name()))
if err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
defer f.Close()
@@ -376,10 +376,10 @@ func matchPotentialSourceFile(dir string, info fs.DirEntry) bool {
func copyDir(dst, src string, match func(dir string, info fs.DirEntry) bool, copiedFiles map[string]bool) {
files, err := os.ReadDir(src)
if err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
if err := os.MkdirAll(dst, 0777); err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
for _, file := range files {
if file.IsDir() || !file.Type().IsRegular() || !match(src, file) {
@@ -388,20 +388,20 @@ func copyDir(dst, src string, match func(dir string, info fs.DirEntry) bool, cop
copiedFiles[file.Name()] = true
r, err := os.Open(filepath.Join(src, file.Name()))
if err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
dstPath := filepath.Join(dst, file.Name())
copiedFiles[dstPath] = true
w, err := os.Create(dstPath)
if err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
if _, err := io.Copy(w, r); err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
r.Close()
if err := w.Close(); err != nil {
- base.Fatalf("go mod vendor: %v", err)
+ base.Fatalf("go: %v", err)
}
}
}
diff --git a/src/cmd/go/internal/modcmd/verify.go b/src/cmd/go/internal/modcmd/verify.go
index 14c4d76bc3..3f0c005d5d 100644
--- a/src/cmd/go/internal/modcmd/verify.go
+++ b/src/cmd/go/internal/modcmd/verify.go
@@ -47,7 +47,7 @@ func runVerify(ctx context.Context, cmd *base.Command, args []string) {
if len(args) != 0 {
// NOTE(rsc): Could take a module pattern.
- base.Fatalf("go mod verify: verify takes no arguments")
+ base.Fatalf("go: verify takes no arguments")
}
modload.ForceUseModules = true
modload.RootMode = modload.NeedRoot
diff --git a/src/cmd/go/internal/modcmd/why.go b/src/cmd/go/internal/modcmd/why.go
index eef5fa5ae8..ed5e9d7f1a 100644
--- a/src/cmd/go/internal/modcmd/why.go
+++ b/src/cmd/go/internal/modcmd/why.go
@@ -80,13 +80,13 @@ func runWhy(ctx context.Context, cmd *base.Command, args []string) {
if *whyM {
for _, arg := range args {
if strings.Contains(arg, "@") {
- base.Fatalf("go mod why: module query not allowed")
+ base.Fatalf("go: %s: 'go mod why' requires a module path, not a version query", arg)
}
}
mods, err := modload.ListModules(ctx, args, 0)
if err != nil {
- base.Fatalf("go mod why: %v", err)
+ base.Fatalf("go: %v", err)
}
byModule := make(map[module.Version][]string)
diff --git a/src/cmd/go/internal/modget/get.go b/src/cmd/go/internal/modget/get.go
index 37912ce833..db07624e38 100644
--- a/src/cmd/go/internal/modget/get.go
+++ b/src/cmd/go/internal/modget/get.go
@@ -263,19 +263,19 @@ func runGet(ctx context.Context, cmd *base.Command, args []string) {
case "", "upgrade", "patch":
// ok
default:
- base.Fatalf("go get: unknown upgrade flag -u=%s", getU.rawVersion)
+ base.Fatalf("go: unknown upgrade flag -u=%s", getU.rawVersion)
}
if *getF {
- fmt.Fprintf(os.Stderr, "go get: -f flag is a no-op when using modules\n")
+ fmt.Fprintf(os.Stderr, "go: -f flag is a no-op when using modules\n")
}
if *getFix {
- fmt.Fprintf(os.Stderr, "go get: -fix flag is a no-op when using modules\n")
+ fmt.Fprintf(os.Stderr, "go: -fix flag is a no-op when using modules\n")
}
if *getM {
- base.Fatalf("go get: -m flag is no longer supported; consider -d to skip building packages")
+ base.Fatalf("go: -m flag is no longer supported; consider -d to skip building packages")
}
if *getInsecure {
- base.Fatalf("go get: -insecure flag is no longer supported; use GOINSECURE instead")
+ base.Fatalf("go: -insecure flag is no longer supported; use GOINSECURE instead")
}
// Do not allow any updating of go.mod until we've applied
@@ -397,7 +397,7 @@ func runGet(ctx context.Context, cmd *base.Command, args []string) {
}
}
if haveExternalExe {
- fmt.Fprint(os.Stderr, "go get: installing executables with 'go get' in module mode is deprecated.")
+ fmt.Fprint(os.Stderr, "go: installing executables with 'go get' in module mode is deprecated.")
var altMsg string
if modload.HasModRoot() {
altMsg = `
@@ -442,7 +442,7 @@ func parseArgs(ctx context.Context, rawArgs []string) []*query {
for _, arg := range search.CleanPatterns(rawArgs) {
q, err := newQuery(arg)
if err != nil {
- base.Errorf("go get: %v", err)
+ base.Errorf("go: %v", err)
continue
}
@@ -457,11 +457,11 @@ func parseArgs(ctx context.Context, rawArgs []string) []*query {
// if the argument has no version and either has no slash or refers to an existing file.
if strings.HasSuffix(q.raw, ".go") && q.rawVersion == "" {
if !strings.Contains(q.raw, "/") {
- base.Errorf("go get %s: arguments must be package or module paths", q.raw)
+ base.Errorf("go: %s: arguments must be package or module paths", q.raw)
continue
}
if fi, err := os.Stat(q.raw); err == nil && !fi.IsDir() {
- base.Errorf("go get: %s exists as a file, but 'go get' requires package arguments", q.raw)
+ base.Errorf("go: %s exists as a file, but 'go get' requires package arguments", q.raw)
continue
}
}
@@ -743,7 +743,7 @@ func (r *resolver) performLocalQueries(ctx context.Context) {
if len(match.Pkgs) == 0 {
if q.raw == "" || q.raw == "." {
- return errSet(fmt.Errorf("no package in current directory"))
+ return errSet(fmt.Errorf("no package to get in current directory"))
}
if !q.isWildcard() {
modload.MustHaveModRoot()
@@ -1342,7 +1342,7 @@ func (r *resolver) applyUpgrades(ctx context.Context, upgrades []pathSet) (chang
var tentative []module.Version
for _, cs := range upgrades {
if cs.err != nil {
- base.Errorf("go get: %v", cs.err)
+ base.Errorf("go: %v", cs.err)
continue
}
@@ -1735,13 +1735,13 @@ func (r *resolver) reportChanges(oldReqs, newReqs []module.Version) {
})
for _, c := range sortedChanges {
if c.old == "" {
- fmt.Fprintf(os.Stderr, "go get: added %s %s\n", c.path, c.new)
+ fmt.Fprintf(os.Stderr, "go: added %s %s\n", c.path, c.new)
} else if c.new == "none" || c.new == "" {
- fmt.Fprintf(os.Stderr, "go get: removed %s %s\n", c.path, c.old)
+ fmt.Fprintf(os.Stderr, "go: removed %s %s\n", c.path, c.old)
} else if semver.Compare(c.new, c.old) > 0 {
- fmt.Fprintf(os.Stderr, "go get: upgraded %s %s => %s\n", c.path, c.old, c.new)
+ fmt.Fprintf(os.Stderr, "go: upgraded %s %s => %s\n", c.path, c.old, c.new)
} else {
- fmt.Fprintf(os.Stderr, "go get: downgraded %s %s => %s\n", c.path, c.old, c.new)
+ fmt.Fprintf(os.Stderr, "go: downgraded %s %s => %s\n", c.path, c.old, c.new)
}
}
@@ -1800,7 +1800,7 @@ func (r *resolver) updateBuildList(ctx context.Context, additions []module.Versi
if err != nil {
var constraint *modload.ConstraintError
if !errors.As(err, &constraint) {
- base.Errorf("go get: %v", err)
+ base.Errorf("go: %v", err)
return false
}
@@ -1812,7 +1812,7 @@ func (r *resolver) updateBuildList(ctx context.Context, additions []module.Versi
return rv.reason.ResolvedString(module.Version{Path: m.Path, Version: rv.version})
}
for _, c := range constraint.Conflicts {
- base.Errorf("go get: %v requires %v, not %v", reason(c.Source), c.Dep, reason(c.Constraint))
+ base.Errorf("go: %v requires %v, not %v", reason(c.Source), c.Dep, reason(c.Constraint))
}
return false
}
diff --git a/src/cmd/go/internal/modget/query.go b/src/cmd/go/internal/modget/query.go
index 76041906f2..d7341e7813 100644
--- a/src/cmd/go/internal/modget/query.go
+++ b/src/cmd/go/internal/modget/query.go
@@ -284,21 +284,21 @@ func reportError(q *query, err error) {
patternRE := regexp.MustCompile("(?m)(?:[ \t(\"`]|^)" + regexp.QuoteMeta(q.pattern) + "(?:[ @:;)\"`]|$)")
if patternRE.MatchString(errStr) {
if q.rawVersion == "" {
- base.Errorf("go get: %s", errStr)
+ base.Errorf("go: %s", errStr)
return
}
versionRE := regexp.MustCompile("(?m)(?:[ @(\"`]|^)" + regexp.QuoteMeta(q.version) + "(?:[ :;)\"`]|$)")
if versionRE.MatchString(errStr) {
- base.Errorf("go get: %s", errStr)
+ base.Errorf("go: %s", errStr)
return
}
}
if qs := q.String(); qs != "" {
- base.Errorf("go get %s: %s", qs, errStr)
+ base.Errorf("go: %s: %s", qs, errStr)
} else {
- base.Errorf("go get: %s", errStr)
+ base.Errorf("go: %s", errStr)
}
}
diff --git a/src/cmd/go/internal/modload/load.go b/src/cmd/go/internal/modload/load.go
index 20c007a03a..40e6b50ed4 100644
--- a/src/cmd/go/internal/modload/load.go
+++ b/src/cmd/go/internal/modload/load.go
@@ -970,7 +970,7 @@ func loadFromRoots(ctx context.Context, params loaderParams) *loader {
ld.GoVersion = MainModules.GoVersion()
if ld.Tidy && semver.Compare("v"+ld.GoVersion, "v"+LatestGoVersion()) > 0 {
- ld.errorf("go mod tidy: go.mod file indicates go %s, but maximum supported version is %s\n", ld.GoVersion, LatestGoVersion())
+ ld.errorf("go: go.mod file indicates go %s, but maximum version supported by tidy is %s\n", ld.GoVersion, LatestGoVersion())
base.ExitIfErrors()
}
}
@@ -1142,7 +1142,7 @@ func loadFromRoots(ctx context.Context, params loaderParams) *loader {
// If that is not the case, there is a bug in the loading loop above.
for _, m := range rs.rootModules {
if v, ok := ld.requirements.rootSelected(m.Path); !ok || v != m.Version {
- ld.errorf("go mod tidy: internal error: a requirement on %v is needed but was not added during package loading\n", m)
+ ld.errorf("go: internal error: a requirement on %v is needed but was not added during package loading\n", m)
base.ExitIfErrors()
}
}
@@ -1884,7 +1884,7 @@ func (ld *loader) checkTidyCompatibility(ctx context.Context, rs *Requirements)
mg, err := rs.Graph(ctx)
if err != nil {
- ld.errorf("go mod tidy: error loading go %s module graph: %v\n", ld.TidyCompatibleVersion, err)
+ ld.errorf("go: error loading go %s module graph: %v\n", ld.TidyCompatibleVersion, err)
suggestFixes()
return
}
diff --git a/src/cmd/go/internal/run/run.go b/src/cmd/go/internal/run/run.go
index 931fdcef8f..11e2c81b9a 100644
--- a/src/cmd/go/internal/run/run.go
+++ b/src/cmd/go/internal/run/run.go
@@ -103,7 +103,7 @@ func runRun(ctx context.Context, cmd *base.Command, args []string) {
if strings.HasSuffix(file, "_test.go") {
// GoFilesPackage is going to assign this to TestGoFiles.
// Reject since it won't be part of the build.
- base.Fatalf("go run: cannot run *_test.go files (%s)", file)
+ base.Fatalf("go: cannot run *_test.go files (%s)", file)
}
}
p = load.GoFilesPackage(ctx, pkgOpts, files)
@@ -114,26 +114,26 @@ func runRun(ctx context.Context, cmd *base.Command, args []string) {
var err error
pkgs, err = load.PackagesAndErrorsOutsideModule(ctx, pkgOpts, args[:1])
if err != nil {
- base.Fatalf("go run: %v", err)
+ base.Fatalf("go: %v", err)
}
} else {
pkgs = load.PackagesAndErrors(ctx, pkgOpts, args[:1])
}
if len(pkgs) == 0 {
- base.Fatalf("go run: no packages loaded from %s", arg)
+ base.Fatalf("go: no packages loaded from %s", arg)
}
if len(pkgs) > 1 {
var names []string
for _, p := range pkgs {
names = append(names, p.ImportPath)
}
- base.Fatalf("go run: pattern %s matches multiple packages:\n\t%s", arg, strings.Join(names, "\n\t"))
+ base.Fatalf("go: pattern %s matches multiple packages:\n\t%s", arg, strings.Join(names, "\n\t"))
}
p = pkgs[0]
i++
} else {
- base.Fatalf("go run: no go files listed")
+ base.Fatalf("go: no go files listed")
}
cmdArgs := args[i:]
load.CheckPackageErrors([]*load.Package{p})
@@ -154,7 +154,7 @@ func runRun(ctx context.Context, cmd *base.Command, args []string) {
if !cfg.BuildContext.CgoEnabled {
hint = " (cgo is disabled)"
}
- base.Fatalf("go run: no suitable source files%s", hint)
+ base.Fatalf("go: no suitable source files%s", hint)
}
p.Internal.ExeName = src[:len(src)-len(".go")]
} else {
diff --git a/src/cmd/go/internal/test/test.go b/src/cmd/go/internal/test/test.go
index d65f54f2bd..198afbf4c3 100644
--- a/src/cmd/go/internal/test/test.go
+++ b/src/cmd/go/internal/test/test.go
@@ -656,7 +656,7 @@ func runTest(ctx context.Context, cmd *base.Command, args []string) {
b.Init()
if cfg.BuildI {
- fmt.Fprint(os.Stderr, "go test: -i flag is deprecated\n")
+ fmt.Fprint(os.Stderr, "go: -i flag is deprecated\n")
cfg.BuildV = testV
deps := make(map[string]bool)
diff --git a/src/cmd/go/internal/test/testflag.go b/src/cmd/go/internal/test/testflag.go
index 97a9ef38b9..e0a3e010fa 100644
--- a/src/cmd/go/internal/test/testflag.go
+++ b/src/cmd/go/internal/test/testflag.go
@@ -384,7 +384,7 @@ func testFlags(args []string) (packageNames, passToTest []string) {
if !testC {
buildFlag = "-i"
}
- fmt.Fprintf(os.Stderr, "go test: unknown flag %s cannot be used with %s\n", firstUnknownFlag, buildFlag)
+ fmt.Fprintf(os.Stderr, "go: unknown flag %s cannot be used with %s\n", firstUnknownFlag, buildFlag)
exitWithUsage()
}
diff --git a/src/cmd/go/internal/tool/tool.go b/src/cmd/go/internal/tool/tool.go
index 95c90ea7c8..4fe4c2baed 100644
--- a/src/cmd/go/internal/tool/tool.go
+++ b/src/cmd/go/internal/tool/tool.go
@@ -61,7 +61,7 @@ func runTool(ctx context.Context, cmd *base.Command, args []string) {
switch {
case 'a' <= c && c <= 'z', '0' <= c && c <= '9', c == '_':
default:
- fmt.Fprintf(os.Stderr, "go tool: bad tool name %q\n", toolName)
+ fmt.Fprintf(os.Stderr, "go: bad tool name %q\n", toolName)
base.SetExitStatus(2)
return
}
@@ -117,14 +117,14 @@ func runTool(ctx context.Context, cmd *base.Command, args []string) {
func listTools() {
f, err := os.Open(base.ToolDir)
if err != nil {
- fmt.Fprintf(os.Stderr, "go tool: no tool directory: %s\n", err)
+ fmt.Fprintf(os.Stderr, "go: no tool directory: %s\n", err)
base.SetExitStatus(2)
return
}
defer f.Close()
names, err := f.Readdirnames(-1)
if err != nil {
- fmt.Fprintf(os.Stderr, "go tool: can't read directory: %s\n", err)
+ fmt.Fprintf(os.Stderr, "go: can't read tool directory: %s\n", err)
base.SetExitStatus(2)
return
}
diff --git a/src/cmd/go/internal/version/version.go b/src/cmd/go/internal/version/version.go
index 58cbd32e78..e885933ac3 100644
--- a/src/cmd/go/internal/version/version.go
+++ b/src/cmd/go/internal/version/version.go
@@ -62,8 +62,14 @@ func runVersion(ctx context.Context, cmd *base.Command, args []string) {
// a reasonable use case. For example, imagine GOFLAGS=-v to
// turn "verbose mode" on for all Go commands, which should not
// break "go version".
- if (!base.InGOFLAGS("-m") && *versionM) || (!base.InGOFLAGS("-v") && *versionV) {
- fmt.Fprintf(os.Stderr, "go version: flags can only be used with arguments\n")
+ var argOnlyFlag string
+ if !base.InGOFLAGS("-m") && *versionM {
+ argOnlyFlag = "-m"
+ } else if !base.InGOFLAGS("-v") && *versionV {
+ argOnlyFlag = "-v"
+ }
+ if argOnlyFlag != "" {
+ fmt.Fprintf(os.Stderr, "go: 'go version' only accepts %s flag with arguments\n", argOnlyFlag)
base.SetExitStatus(2)
return
}
diff --git a/src/cmd/go/internal/vet/vet.go b/src/cmd/go/internal/vet/vet.go
index 1d419dddb9..88b3c570a0 100644
--- a/src/cmd/go/internal/vet/vet.go
+++ b/src/cmd/go/internal/vet/vet.go
@@ -103,7 +103,7 @@ func runVet(ctx context.Context, cmd *base.Command, args []string) {
continue
}
if len(ptest.GoFiles) == 0 && len(ptest.CgoFiles) == 0 && pxtest == nil {
- base.Errorf("go vet %s: no Go files in %s", p.ImportPath, p.Dir)
+ base.Errorf("go: can't vet %s: no Go files in %s", p.ImportPath, p.Dir)
continue
}
if len(ptest.GoFiles) > 0 || len(ptest.CgoFiles) > 0 {
diff --git a/src/cmd/go/internal/vet/vetflag.go b/src/cmd/go/internal/vet/vetflag.go
index b5b3c462ff..3551a5997c 100644
--- a/src/cmd/go/internal/vet/vetflag.go
+++ b/src/cmd/go/internal/vet/vetflag.go
@@ -82,7 +82,7 @@ func vetFlags(args []string) (passToVet, packageNames []string) {
vetcmd := exec.Command(tool, "-flags")
vetcmd.Stdout = out
if err := vetcmd.Run(); err != nil {
- fmt.Fprintf(os.Stderr, "go vet: can't execute %s -flags: %v\n", tool, err)
+ fmt.Fprintf(os.Stderr, "go: can't execute %s -flags: %v\n", tool, err)
base.SetExitStatus(2)
base.Exit()
}
@@ -92,7 +92,7 @@ func vetFlags(args []string) (passToVet, packageNames []string) {
Usage string
}
if err := json.Unmarshal(out.Bytes(), &analysisFlags); err != nil {
- fmt.Fprintf(os.Stderr, "go vet: can't unmarshal JSON from %s -flags: %v", tool, err)
+ fmt.Fprintf(os.Stderr, "go: can't unmarshal JSON from %s -flags: %v", tool, err)
base.SetExitStatus(2)
base.Exit()
}
diff --git a/src/cmd/go/internal/work/action.go b/src/cmd/go/internal/work/action.go
index 69940cb001..6f5ac1364c 100644
--- a/src/cmd/go/internal/work/action.go
+++ b/src/cmd/go/internal/work/action.go
@@ -294,14 +294,14 @@ func (b *Builder) Init() {
}
if err := CheckGOOSARCHPair(cfg.Goos, cfg.Goarch); err != nil {
- fmt.Fprintf(os.Stderr, "cmd/go: %v\n", err)
+ fmt.Fprintf(os.Stderr, "go: %v\n", err)
base.SetExitStatus(2)
base.Exit()
}
for _, tag := range cfg.BuildContext.BuildTags {
if strings.Contains(tag, ",") {
- fmt.Fprintf(os.Stderr, "cmd/go: -tags space-separated list contains comma\n")
+ fmt.Fprintf(os.Stderr, "go: -tags space-separated list contains comma\n")
base.SetExitStatus(2)
base.Exit()
}
diff --git a/src/cmd/go/internal/work/build.go b/src/cmd/go/internal/work/build.go
index 3d7c778a7d..e5d7f4a8fd 100644
--- a/src/cmd/go/internal/work/build.go
+++ b/src/cmd/go/internal/work/build.go
@@ -406,7 +406,7 @@ func runBuild(ctx context.Context, cmd *base.Command, args []string) {
depMode := ModeBuild
if cfg.BuildI {
depMode = ModeInstall
- fmt.Fprint(os.Stderr, "go build: -i flag is deprecated\n")
+ fmt.Fprint(os.Stderr, "go: -i flag is deprecated\n")
}
pkgs = omitTestOnly(pkgsFilter(pkgs))
@@ -425,7 +425,7 @@ func runBuild(ctx context.Context, cmd *base.Command, args []string) {
strings.HasSuffix(cfg.BuildO, "/") ||
strings.HasSuffix(cfg.BuildO, string(os.PathSeparator)) {
if !explicitO {
- base.Fatalf("go build: build output %q already exists and is a directory", cfg.BuildO)
+ base.Fatalf("go: build output %q already exists and is a directory", cfg.BuildO)
}
a := &Action{Mode: "go build"}
for _, p := range pkgs {
@@ -440,13 +440,13 @@ func runBuild(ctx context.Context, cmd *base.Command, args []string) {
a.Deps = append(a.Deps, b.AutoAction(ModeInstall, depMode, p))
}
if len(a.Deps) == 0 {
- base.Fatalf("go build: no main packages to build")
+ base.Fatalf("go: no main packages to build")
}
b.Do(ctx, a)
return
}
if len(pkgs) > 1 {
- base.Fatalf("go build: cannot write multiple packages to non-directory %s", cfg.BuildO)
+ base.Fatalf("go: cannot write multiple packages to non-directory %s", cfg.BuildO)
} else if len(pkgs) == 0 {
base.Fatalf("no packages to build")
}
@@ -593,7 +593,7 @@ func runInstall(ctx context.Context, cmd *base.Command, args []string) {
for _, arg := range args {
if strings.Contains(arg, "@") && !build.IsLocalImport(arg) && !filepath.IsAbs(arg) {
if cfg.BuildI {
- fmt.Fprint(os.Stderr, "go install: -i flag is deprecated\n")
+ fmt.Fprint(os.Stderr, "go: -i flag is deprecated\n")
}
installOutsideModule(ctx, args)
return
@@ -621,7 +621,7 @@ func runInstall(ctx context.Context, cmd *base.Command, args []string) {
latestArgs[i] = args[i] + "@latest"
}
hint := strings.Join(latestArgs, " ")
- base.Fatalf("go install: version is required when current directory is not in a module\n\tTry 'go install %s' to install the latest version", hint)
+ base.Fatalf("go: 'go install' requires a version when current directory is not in a module\n\tTry 'go install %s' to install the latest version", hint)
}
}
load.CheckPackageErrors(pkgs)
@@ -634,7 +634,7 @@ func runInstall(ctx context.Context, cmd *base.Command, args []string) {
}
}
if !allGoroot {
- fmt.Fprint(os.Stderr, "go install: -i flag is deprecated\n")
+ fmt.Fprintf(os.Stderr, "go: -i flag is deprecated\n")
}
}
@@ -680,14 +680,14 @@ func InstallPackages(ctx context.Context, patterns []string, pkgs []*load.Packag
case p.Name != "main" && p.Module != nil:
// Non-executables have no target (except the cache) when building with modules.
case p.Internal.GobinSubdir:
- base.Errorf("go %s: cannot install cross-compiled binaries when GOBIN is set", cfg.CmdName)
+ base.Errorf("go: cannot install cross-compiled binaries when GOBIN is set")
case p.Internal.CmdlineFiles:
- base.Errorf("go %s: no install location for .go files listed on command line (GOBIN not set)", cfg.CmdName)
+ base.Errorf("go: no install location for .go files listed on command line (GOBIN not set)")
case p.ConflictDir != "":
- base.Errorf("go %s: no install location for %s: hidden by %s", cfg.CmdName, p.Dir, p.ConflictDir)
+ base.Errorf("go: no install location for %s: hidden by %s", p.Dir, p.ConflictDir)
default:
- base.Errorf("go %s: no install location for directory %s outside GOPATH\n"+
- "\tFor more details see: 'go help gopath'", cfg.CmdName, p.Dir)
+ base.Errorf("go: no install location for directory %s outside GOPATH\n"+
+ "\tFor more details see: 'go help gopath'", p.Dir)
}
}
}
@@ -782,7 +782,7 @@ func installOutsideModule(ctx context.Context, args []string) {
pkgOpts := load.PackageOpts{MainOnly: true}
pkgs, err := load.PackagesAndErrorsOutsideModule(ctx, pkgOpts, args)
if err != nil {
- base.Fatalf("go install: %v", err)
+ base.Fatalf("go: %v", err)
}
load.CheckPackageErrors(pkgs)
patterns := make([]string, len(args))
diff --git a/src/cmd/go/internal/work/init.go b/src/cmd/go/internal/work/init.go
index 7acee3dd55..7aa8dfe55f 100644
--- a/src/cmd/go/internal/work/init.go
+++ b/src/cmd/go/internal/work/init.go
@@ -13,7 +13,6 @@ import (
"cmd/go/internal/modload"
"cmd/internal/str"
"cmd/internal/sys"
- "flag"
"fmt"
"os"
"path/filepath"
@@ -33,7 +32,7 @@ func BuildInit() {
if cfg.BuildPkgdir != "" && !filepath.IsAbs(cfg.BuildPkgdir) {
p, err := filepath.Abs(cfg.BuildPkgdir)
if err != nil {
- fmt.Fprintf(os.Stderr, "go %s: evaluating -pkgdir: %v\n", flag.Args()[0], err)
+ fmt.Fprintf(os.Stderr, "go: evaluating -pkgdir: %v\n", err)
base.SetExitStatus(2)
base.Exit()
}
@@ -49,14 +48,14 @@ func BuildInit() {
value := cfg.Getenv(key)
args, err := str.SplitQuotedFields(value)
if err != nil {
- base.Fatalf("go %s: %s environment variable could not be parsed: %v", flag.Args()[0], key, err)
+ base.Fatalf("go: %s environment variable could not be parsed: %v", key, err)
}
if len(args) == 0 {
continue
}
path := args[0]
if !filepath.IsAbs(path) && path != filepath.Base(path) {
- base.Fatalf("go %s: %s environment variable is relative; must be absolute path: %s\n", flag.Args()[0], key, path)
+ base.Fatalf("go: %s environment variable is relative; must be absolute path: %s\n", key, path)
}
}
}
@@ -66,7 +65,7 @@ func instrumentInit() {
return
}
if cfg.BuildRace && cfg.BuildMSan {
- fmt.Fprintf(os.Stderr, "go %s: may not use -race and -msan simultaneously\n", flag.Args()[0])
+ fmt.Fprintf(os.Stderr, "go: may not use -race and -msan simultaneously\n")
base.SetExitStatus(2)
base.Exit()
}
@@ -77,7 +76,7 @@ func instrumentInit() {
}
if cfg.BuildRace {
if !sys.RaceDetectorSupported(cfg.Goos, cfg.Goarch) {
- fmt.Fprintf(os.Stderr, "go %s: -race is only supported on linux/amd64, linux/ppc64le, linux/arm64, freebsd/amd64, netbsd/amd64, darwin/amd64, darwin/arm64, and windows/amd64\n", flag.Args()[0])
+ fmt.Fprintf(os.Stderr, "go: -race is only supported on linux/amd64, linux/ppc64le, linux/arm64, freebsd/amd64, netbsd/amd64, darwin/amd64, darwin/arm64, and windows/amd64\n")
base.SetExitStatus(2)
base.Exit()
}
@@ -95,9 +94,9 @@ func instrumentInit() {
if !cfg.BuildContext.CgoEnabled {
if runtime.GOOS != cfg.Goos || runtime.GOARCH != cfg.Goarch {
- fmt.Fprintf(os.Stderr, "go %s: %s requires cgo\n", flag.Args()[0], modeFlag)
+ fmt.Fprintf(os.Stderr, "go: %s requires cgo\n", modeFlag)
} else {
- fmt.Fprintf(os.Stderr, "go %s: %s requires cgo; enable cgo by setting CGO_ENABLED=1\n", flag.Args()[0], modeFlag)
+ fmt.Fprintf(os.Stderr, "go: %s requires cgo; enable cgo by setting CGO_ENABLED=1\n", modeFlag)
}
base.SetExitStatus(2)
diff --git a/src/cmd/go/testdata/script/build_i_deprecate.txt b/src/cmd/go/testdata/script/build_i_deprecate.txt
index 71356e5321..5c17995669 100644
--- a/src/cmd/go/testdata/script/build_i_deprecate.txt
+++ b/src/cmd/go/testdata/script/build_i_deprecate.txt
@@ -2,13 +2,13 @@
# TODO(golang.org/issue/41696): remove the -i flag after Go 1.16, and this test.
go build -n -i
-stderr '^go build: -i flag is deprecated$'
+stderr '^go: -i flag is deprecated$'
go install -n -i
-stderr '^go install: -i flag is deprecated$'
+stderr '^go: -i flag is deprecated$'
go test -n -i
-stderr '^go test: -i flag is deprecated$'
+stderr '^go: -i flag is deprecated$'
# 'go clean -i' should not print a deprecation warning.
diff --git a/src/cmd/go/testdata/script/env_unset.txt b/src/cmd/go/testdata/script/env_unset.txt
index 4e0f249509..22bc845c37 100644
--- a/src/cmd/go/testdata/script/env_unset.txt
+++ b/src/cmd/go/testdata/script/env_unset.txt
@@ -12,13 +12,13 @@ stderr '^go(\.exe)?: unknown GOEXPERIMENT badexp$'
go env -u GOEXPERIMENT
! go env
-stderr '^cmd/go: unsupported GOOS/GOARCH pair bados/badarch$'
+stderr '^go: unsupported GOOS/GOARCH pair bados/badarch$'
! go env -u GOOS
-stderr '^go env -u: unsupported GOOS/GOARCH pair \w+/badarch$'
+stderr '^go: unsupported GOOS/GOARCH pair \w+/badarch$'
! go env -u GOARCH
-stderr '^go env -u: unsupported GOOS/GOARCH pair bados/\w+$'
+stderr '^go: unsupported GOOS/GOARCH pair bados/\w+$'
go env -u GOOS GOARCH
diff --git a/src/cmd/go/testdata/script/env_write.txt b/src/cmd/go/testdata/script/env_write.txt
index b5e9739167..132947c623 100644
--- a/src/cmd/go/testdata/script/env_write.txt
+++ b/src/cmd/go/testdata/script/env_write.txt
@@ -30,9 +30,9 @@ go env
# checking errors
! go env -w
-stderr 'go env -w: no KEY=VALUE arguments given'
+stderr 'go: no KEY=VALUE arguments given'
! go env -u
-stderr 'go env -u: no arguments given'
+stderr 'go: ''go env -u'' requires an argument'
# go env -w changes default setting
env root=
@@ -111,7 +111,7 @@ stderr 'GOPATH entry is relative; must be absolute path'
# go env -w rejects invalid GOTMPDIR values
! go env -w GOTMPDIR=x
-stderr 'go env -w: GOTMPDIR must be an absolute path'
+stderr 'go: GOTMPDIR must be an absolute path'
# go env -w should accept absolute GOTMPDIR value
# and should not create it
@@ -134,24 +134,24 @@ stdout ^$
go env -w CC=clang
[!windows] ! go env -w CC=./clang
[!windows] ! go env -w CC=bin/clang
-[!windows] stderr 'go env -w: CC entry is relative; must be absolute path'
+[!windows] stderr 'go: CC entry is relative; must be absolute path'
[windows] go env -w CC=$WORK\bin\clang
[windows] ! go env -w CC=.\clang
[windows] ! go env -w CC=bin\clang
-[windows] stderr 'go env -w: CC entry is relative; must be absolute path'
+[windows] stderr 'go: CC entry is relative; must be absolute path'
# go env -w rejects relative CXX values
[!windows] go env -w CC=/usr/bin/cpp
go env -w CXX=cpp
[!windows] ! go env -w CXX=./cpp
[!windows] ! go env -w CXX=bin/cpp
-[!windows] stderr 'go env -w: CXX entry is relative; must be absolute path'
+[!windows] stderr 'go: CXX entry is relative; must be absolute path'
[windows] go env -w CXX=$WORK\bin\cpp
[windows] ! go env -w CXX=.\cpp
[windows] ! go env -w CXX=bin\cpp
-[windows] stderr 'go env -w: CXX entry is relative; must be absolute path'
+[windows] stderr 'go: CXX entry is relative; must be absolute path'
# go env -w/-u checks validity of GOOS/ARCH combinations
env GOOS=
@@ -176,9 +176,9 @@ stderr 'unsupported GOOS/GOARCH.*windows/mips$'
# go env -w should reject relative paths in GOMODCACHE environment.
! go env -w GOMODCACHE=~/test
-stderr 'go env -w: GOMODCACHE entry is relative; must be absolute path: "~/test"'
+stderr 'go: GOMODCACHE entry is relative; must be absolute path: "~/test"'
! go env -w GOMODCACHE=./test
-stderr 'go env -w: GOMODCACHE entry is relative; must be absolute path: "./test"'
+stderr 'go: GOMODCACHE entry is relative; must be absolute path: "./test"'
# go env -w checks validity of GOEXPERIMENT
env GOEXPERIMENT=
diff --git a/src/cmd/go/testdata/script/get_go_file.txt b/src/cmd/go/testdata/script/get_go_file.txt
index bed8720987..f6d0de4d06 100644
--- a/src/cmd/go/testdata/script/get_go_file.txt
+++ b/src/cmd/go/testdata/script/get_go_file.txt
@@ -9,15 +9,15 @@ go get -d test
# argument has .go suffix, is a file and exists
! go get -d test.go
-stderr 'go get test.go: arguments must be package or module paths'
+stderr 'go: test.go: arguments must be package or module paths'
# argument has .go suffix, doesn't exist and has no slashes
! go get -d test_missing.go
-stderr 'go get test_missing.go: arguments must be package or module paths'
+stderr 'go: test_missing.go: arguments must be package or module paths'
# argument has .go suffix, is a file and exists in sub-directory
! go get -d test/test.go
-stderr 'go get: test/test.go exists as a file, but ''go get'' requires package arguments'
+stderr 'go: test/test.go exists as a file, but ''go get'' requires package arguments'
# argument has .go suffix, doesn't exist and has slashes
! go get -d test/test_missing.go
@@ -27,19 +27,19 @@ stderr 'go get: test/test.go exists as a file, but ''go get'' requires package a
# argument has .go suffix, is a symlink and exists
[symlink] symlink test_sym.go -> test.go
[symlink] ! go get -d test_sym.go
-[symlink] stderr 'go get test_sym.go: arguments must be package or module paths'
+[symlink] stderr 'go: test_sym.go: arguments must be package or module paths'
[symlink] rm test_sym.go
# argument has .go suffix, is a symlink and exists in sub-directory
[symlink] symlink test/test_sym.go -> test.go
[symlink] ! go get -d test/test_sym.go
-[symlink] stderr 'go get: test/test_sym.go exists as a file, but ''go get'' requires package arguments'
+[symlink] stderr 'go: test/test_sym.go exists as a file, but ''go get'' requires package arguments'
[symlink] rm test_sym.go
# argument has .go suffix, is a directory and exists
mkdir test_dir.go
! go get -d test_dir.go
-stderr 'go get test_dir.go: arguments must be package or module paths'
+stderr 'go: test_dir.go: arguments must be package or module paths'
rm test_dir.go
# argument has .go suffix, is a directory and exists in sub-directory
diff --git a/src/cmd/go/testdata/script/get_insecure_no_longer_supported.txt b/src/cmd/go/testdata/script/get_insecure_no_longer_supported.txt
index 2517664dd0..00bf32fc78 100644
--- a/src/cmd/go/testdata/script/get_insecure_no_longer_supported.txt
+++ b/src/cmd/go/testdata/script/get_insecure_no_longer_supported.txt
@@ -3,11 +3,11 @@ env GO111MODULE=off
# GOPATH: Fetch with insecure, should error
! go get -insecure test
-stderr 'go get: -insecure flag is no longer supported; use GOINSECURE instead'
+stderr 'go: -insecure flag is no longer supported; use GOINSECURE instead'
# Modules: Set up
env GO111MODULE=on
# Modules: Fetch with insecure, should error
! go get -insecure test
-stderr 'go get: -insecure flag is no longer supported; use GOINSECURE instead'
+stderr 'go: -insecure flag is no longer supported; use GOINSECURE instead'
diff --git a/src/cmd/go/testdata/script/gopath_install.txt b/src/cmd/go/testdata/script/gopath_install.txt
index 4b42fc593f..6c572eae61 100644
--- a/src/cmd/go/testdata/script/gopath_install.txt
+++ b/src/cmd/go/testdata/script/gopath_install.txt
@@ -26,7 +26,7 @@ cd ..
env GOPATH= # reset to default ($HOME/go, which does not exist)
env GOBIN=
! go install go-cmd-test/helloworld.go
-stderr '^go install: no install location for \.go files listed on command line \(GOBIN not set\)$'
+stderr '^go: no install location for \.go files listed on command line \(GOBIN not set\)$'
# With $GOBIN set, should install there.
env GOBIN=$WORK/bin1
diff --git a/src/cmd/go/testdata/script/gopath_local.txt b/src/cmd/go/testdata/script/gopath_local.txt
index 7ee1f83471..54beaca5e8 100644
--- a/src/cmd/go/testdata/script/gopath_local.txt
+++ b/src/cmd/go/testdata/script/gopath_local.txt
@@ -22,7 +22,7 @@ stdout '^sub\.Hello'
# Explicit source files listed on the command line should not install without
# GOBIN set, since individual source files aren't part of the containing GOPATH.
! go install testdata/local/easy.go
-stderr '^go install: no install location for \.go files listed on command line \(GOBIN not set\)$'
+stderr '^go: no install location for \.go files listed on command line \(GOBIN not set\)$'
[windows] stop # Windows does not allow the ridiculous directory name we're about to use.
@@ -58,7 +58,7 @@ stdout '^sub\.Hello'
# Explicit source files listed on the command line should not install without
# GOBIN set, since individual source files aren't part of the containing GOPATH.
! go install testdata/$BAD_DIR_NAME/easy.go
-stderr '^go install: no install location for \.go files listed on command line \(GOBIN not set\)$'
+stderr '^go: no install location for \.go files listed on command line \(GOBIN not set\)$'
-- testdata/local/easy.go --
package main
diff --git a/src/cmd/go/testdata/script/govcs.txt b/src/cmd/go/testdata/script/govcs.txt
index 4180d7da6a..e8dd791267 100644
--- a/src/cmd/go/testdata/script/govcs.txt
+++ b/src/cmd/go/testdata/script/govcs.txt
@@ -5,40 +5,40 @@ env GOPROXY=direct
# GOVCS stops go get
env GOVCS='*:none'
! go get github.com/google/go-cmp
-stderr '^go get: GOVCS disallows using git for public github.com/google/go-cmp; see ''go help vcs''$'
+stderr '^go: GOVCS disallows using git for public github.com/google/go-cmp; see ''go help vcs''$'
env GOPRIVATE='github.com/google'
! go get github.com/google/go-cmp
-stderr '^go get: GOVCS disallows using git for private github.com/google/go-cmp; see ''go help vcs''$'
+stderr '^go: GOVCS disallows using git for private github.com/google/go-cmp; see ''go help vcs''$'
# public pattern works
env GOPRIVATE='github.com/google'
env GOVCS='public:all,private:none'
! go get github.com/google/go-cmp
-stderr '^go get: GOVCS disallows using git for private github.com/google/go-cmp; see ''go help vcs''$'
+stderr '^go: GOVCS disallows using git for private github.com/google/go-cmp; see ''go help vcs''$'
# private pattern works
env GOPRIVATE='hubgit.com/google'
env GOVCS='private:all,public:none'
! go get github.com/google/go-cmp
-stderr '^go get: GOVCS disallows using git for public github.com/google/go-cmp; see ''go help vcs''$'
+stderr '^go: GOVCS disallows using git for public github.com/google/go-cmp; see ''go help vcs''$'
# other patterns work (for more patterns, see TestGOVCS)
env GOPRIVATE=
env GOVCS='github.com:svn|hg'
! go get github.com/google/go-cmp
-stderr '^go get: GOVCS disallows using git for public github.com/google/go-cmp; see ''go help vcs''$'
+stderr '^go: GOVCS disallows using git for public github.com/google/go-cmp; see ''go help vcs''$'
env GOVCS='github.com/google/go-cmp/inner:git,github.com:svn|hg'
! go get github.com/google/go-cmp
-stderr '^go get: GOVCS disallows using git for public github.com/google/go-cmp; see ''go help vcs''$'
+stderr '^go: GOVCS disallows using git for public github.com/google/go-cmp; see ''go help vcs''$'
# bad patterns are reported (for more bad patterns, see TestGOVCSErrors)
env GOVCS='git'
! go get github.com/google/go-cmp
-stderr '^go get github.com/google/go-cmp: malformed entry in GOVCS \(missing colon\): "git"$'
+stderr '^go: github.com/google/go-cmp: malformed entry in GOVCS \(missing colon\): "git"$'
env GOVCS=github.com:hg,github.com:git
! go get github.com/google/go-cmp
-stderr '^go get github.com/google/go-cmp: unreachable pattern in GOVCS: "github.com:git" after "github.com:hg"$'
+stderr '^go: github.com/google/go-cmp: unreachable pattern in GOVCS: "github.com:git" after "github.com:hg"$'
# bad GOVCS patterns do not stop commands that do not need to check VCS
go list
@@ -50,19 +50,19 @@ env GOPROXY=direct
env GOPRIVATE=
env GOVCS=
! go get rsc.io/nonexist.svn/hello
-stderr '^go get rsc.io/nonexist.svn/hello: GOVCS disallows using svn for public rsc.io/nonexist.svn; see ''go help vcs''$'
+stderr '^go: rsc.io/nonexist.svn/hello: GOVCS disallows using svn for public rsc.io/nonexist.svn; see ''go help vcs''$'
# fossil is disallowed by default
env GOPRIVATE=
env GOVCS=
! go get rsc.io/nonexist.fossil/hello
-stderr '^go get rsc.io/nonexist.fossil/hello: GOVCS disallows using fossil for public rsc.io/nonexist.fossil; see ''go help vcs''$'
+stderr '^go: rsc.io/nonexist.fossil/hello: GOVCS disallows using fossil for public rsc.io/nonexist.fossil; see ''go help vcs''$'
# bzr is disallowed by default
env GOPRIVATE=
env GOVCS=
! go get rsc.io/nonexist.bzr/hello
-stderr '^go get rsc.io/nonexist.bzr/hello: GOVCS disallows using bzr for public rsc.io/nonexist.bzr; see ''go help vcs''$'
+stderr '^go: rsc.io/nonexist.bzr/hello: GOVCS disallows using bzr for public rsc.io/nonexist.bzr; see ''go help vcs''$'
# git is OK by default
env GOVCS=
@@ -77,12 +77,12 @@ env GONOSUMDB='*'
# git can be disallowed
env GOVCS=public:hg
! go get rsc.io/nonexist.git/hello
-stderr '^go get rsc.io/nonexist.git/hello: GOVCS disallows using git for public rsc.io/nonexist.git; see ''go help vcs''$'
+stderr '^go: rsc.io/nonexist.git/hello: GOVCS disallows using git for public rsc.io/nonexist.git; see ''go help vcs''$'
# hg can be disallowed
env GOVCS=public:git
! go get rsc.io/nonexist.hg/hello
-stderr '^go get rsc.io/nonexist.hg/hello: GOVCS disallows using hg for public rsc.io/nonexist.hg; see ''go help vcs''$'
+stderr '^go: rsc.io/nonexist.hg/hello: GOVCS disallows using hg for public rsc.io/nonexist.hg; see ''go help vcs''$'
# Repeat in GOPATH mode. Error texts slightly different.
diff --git a/src/cmd/go/testdata/script/list_shadow.txt b/src/cmd/go/testdata/script/list_shadow.txt
index 7b24d9367a..660508de9f 100644
--- a/src/cmd/go/testdata/script/list_shadow.txt
+++ b/src/cmd/go/testdata/script/list_shadow.txt
@@ -15,7 +15,7 @@ stdout '^\(.*gopath(\\|/)src(\\|/)shadow(\\|/)root2(\\|/)src(\\|/)foo\) \('$WORK
# The error for go install should mention the conflicting directory.
! go install -n ./shadow/root2/src/foo
-stderr 'go install: no install location for '$WORK'(\\|/)?gopath(\\|/)src(\\|/)shadow(\\|/)root2(\\|/)src(\\|/)foo: hidden by '$WORK'(\\|/)?gopath(\\|/)src(\\|/)shadow(\\|/)root1(\\|/)src(\\|/)foo'
+stderr 'go: no install location for '$WORK'(\\|/)?gopath(\\|/)src(\\|/)shadow(\\|/)root2(\\|/)src(\\|/)foo: hidden by '$WORK'(\\|/)?gopath(\\|/)src(\\|/)shadow(\\|/)root1(\\|/)src(\\|/)foo'
-- shadow/root1/src/foo/foo.go --
package foo
diff --git a/src/cmd/go/testdata/script/mod_bad_domain.txt b/src/cmd/go/testdata/script/mod_bad_domain.txt
index 7a270d0f07..ed6a8c656d 100644
--- a/src/cmd/go/testdata/script/mod_bad_domain.txt
+++ b/src/cmd/go/testdata/script/mod_bad_domain.txt
@@ -2,7 +2,7 @@ env GO111MODULE=on
# explicit get should report errors about bad names
! go get appengine
-stderr '^go get: malformed module path "appengine": missing dot in first path element$'
+stderr '^go: malformed module path "appengine": missing dot in first path element$'
! go get x/y.z
stderr 'malformed module path "x/y.z": missing dot in first path element'
diff --git a/src/cmd/go/testdata/script/mod_dot.txt b/src/cmd/go/testdata/script/mod_dot.txt
index ca8d5c6cc2..cb60e988b6 100644
--- a/src/cmd/go/testdata/script/mod_dot.txt
+++ b/src/cmd/go/testdata/script/mod_dot.txt
@@ -5,11 +5,11 @@ env GO111MODULE=on
# to resolve an external module.
cd dir
! go get
-stderr '^go get: no package in current directory$'
+stderr '^go: no package to get in current directory$'
! go get .
-stderr '^go get \.: no package in current directory$'
+stderr '^go: .: no package to get in current directory$'
! go get ./subdir
-stderr '^go get: \.[/\\]subdir \('$WORK'[/\\]gopath[/\\]src[/\\]dir[/\\]subdir\) is not a package in module rooted at '$WORK'[/\\]gopath[/\\]src[/\\]dir$'
+stderr '^go: \.[/\\]subdir \('$WORK'[/\\]gopath[/\\]src[/\\]dir[/\\]subdir\) is not a package in module rooted at '$WORK'[/\\]gopath[/\\]src[/\\]dir$'
! go list
! stderr 'cannot find module providing package'
stderr '^no Go files in '$WORK'[/\\]gopath[/\\]src[/\\]dir$'
diff --git a/src/cmd/go/testdata/script/mod_download.txt b/src/cmd/go/testdata/script/mod_download.txt
index c2b72b2a02..89e58a2cfd 100644
--- a/src/cmd/go/testdata/script/mod_download.txt
+++ b/src/cmd/go/testdata/script/mod_download.txt
@@ -93,19 +93,19 @@ exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.1.zip
# download reports errors encountered when locating modules
! go mod download bad/path
-stderr '^go mod download: module bad/path: not a known dependency$'
+stderr '^go: module bad/path: not a known dependency$'
! go mod download bad/path@latest
-stderr '^go mod download: bad/path@latest: malformed module path "bad/path": missing dot in first path element$'
+stderr '^go: bad/path@latest: malformed module path "bad/path": missing dot in first path element$'
! go mod download rsc.io/quote@v1.999.999
-stderr '^go mod download: rsc.io/quote@v1.999.999: reading .*/v1.999.999.info: 404 Not Found$'
+stderr '^go: rsc.io/quote@v1.999.999: reading .*/v1.999.999.info: 404 Not Found$'
! go mod download -json bad/path
stdout '^\t"Error": "module bad/path: not a known dependency"'
# download main module produces a warning or error
go mod download m
-stderr '^go mod download: skipping argument m that resolves to the main module\n'
+stderr '^go: skipping download of m that resolves to the main module\n'
! go mod download m@latest
-stderr '^go mod download: m@latest: malformed module path "m": missing dot in first path element$'
+stderr '^go: m@latest: malformed module path "m": missing dot in first path element$'
# download without arguments updates go.mod and go.sum after loading the
# build list, but does not save sums for downloaded zips.
diff --git a/src/cmd/go/testdata/script/mod_edit.txt b/src/cmd/go/testdata/script/mod_edit.txt
index 5aa5ca1ffc..ebc032a73c 100644
--- a/src/cmd/go/testdata/script/mod_edit.txt
+++ b/src/cmd/go/testdata/script/mod_edit.txt
@@ -23,18 +23,18 @@ cmpenv go.mod $WORK/go.mod.edit2
# -exclude and -retract reject invalid versions.
! go mod edit -exclude=example.com/m@bad
-stderr '^go mod: -exclude=example.com/m@bad: version "bad" invalid: must be of the form v1.2.3$'
+stderr '^go: -exclude=example.com/m@bad: version "bad" invalid: must be of the form v1.2.3$'
! go mod edit -retract=bad
-stderr '^go mod: -retract=bad: version "bad" invalid: must be of the form v1.2.3$'
+stderr '^go: -retract=bad: version "bad" invalid: must be of the form v1.2.3$'
! go mod edit -exclude=example.com/m@v2.0.0
-stderr '^go mod: -exclude=example.com/m@v2\.0\.0: version "v2\.0\.0" invalid: should be v2\.0\.0\+incompatible \(or module example\.com/m/v2\)$'
+stderr '^go: -exclude=example.com/m@v2\.0\.0: version "v2\.0\.0" invalid: should be v2\.0\.0\+incompatible \(or module example\.com/m/v2\)$'
! go mod edit -exclude=example.com/m/v2@v1.0.0
-stderr '^go mod: -exclude=example.com/m/v2@v1\.0\.0: version "v1\.0\.0" invalid: should be v2, not v1$'
+stderr '^go: -exclude=example.com/m/v2@v1\.0\.0: version "v1\.0\.0" invalid: should be v2, not v1$'
! go mod edit -exclude=gopkg.in/example.v1@v2.0.0
-stderr '^go mod: -exclude=gopkg\.in/example\.v1@v2\.0\.0: version "v2\.0\.0" invalid: should be v1, not v2$'
+stderr '^go: -exclude=gopkg\.in/example\.v1@v2\.0\.0: version "v2\.0\.0" invalid: should be v1, not v2$'
cmpenv go.mod $WORK/go.mod.edit2
diff --git a/src/cmd/go/testdata/script/mod_get_changes.txt b/src/cmd/go/testdata/script/mod_get_changes.txt
index 3287b2a609..2829111fe5 100644
--- a/src/cmd/go/testdata/script/mod_get_changes.txt
+++ b/src/cmd/go/testdata/script/mod_get_changes.txt
@@ -4,8 +4,8 @@
go list -m all
! stdout golang.org/x/text
go get -d rsc.io/quote@v1.5.2
-stderr '^go get: added rsc.io/quote v1.5.2$'
-stderr '^go get: upgraded rsc.io/sampler v1.0.0 => v1.3.0$'
+stderr '^go: added rsc.io/quote v1.5.2$'
+stderr '^go: upgraded rsc.io/sampler v1.0.0 => v1.3.0$'
! stderr '^go get.*golang.org/x/text'
go list -m all
stdout golang.org/x/text
@@ -15,8 +15,8 @@ cmp go.mod go.mod.upgrade
# and for changed explicit dependencies. 'go get' does not print messages
# for changed indirect dependencies.
go get -d rsc.io/sampler@none
-stderr '^go get: downgraded rsc.io/quote v1.5.2 => v1.3.0$'
-stderr '^go get: removed rsc.io/sampler v1.3.0$'
+stderr '^go: downgraded rsc.io/quote v1.5.2 => v1.3.0$'
+stderr '^go: removed rsc.io/sampler v1.3.0$'
! stderr '^go get.*golang.org/x/text'
cmp go.mod go.mod.downgrade
@@ -24,8 +24,8 @@ cmp go.mod go.mod.downgrade
# for explicit dependencies removed as a consequence.
cp go.mod.usequote go.mod
go get -d rsc.io/quote@v1.5.1
-stderr '^go get: downgraded rsc.io/quote v1.5.2 => v1.5.1$'
-stderr '^go get: removed usequote v0.0.0$'
+stderr '^go: downgraded rsc.io/quote v1.5.2 => v1.5.1$'
+stderr '^go: removed usequote v0.0.0$'
-- go.mod --
module m
diff --git a/src/cmd/go/testdata/script/mod_get_deprecate_install.txt b/src/cmd/go/testdata/script/mod_get_deprecate_install.txt
index 63cd27a42d..e8142afee9 100644
--- a/src/cmd/go/testdata/script/mod_get_deprecate_install.txt
+++ b/src/cmd/go/testdata/script/mod_get_deprecate_install.txt
@@ -4,7 +4,7 @@ env GO111MODULE=on
# 'go get' outside a module with an executable prints a deprecation message.
go get example.com/cmd/a
-stderr '^go get: installing executables with ''go get'' in module mode is deprecated.$'
+stderr '^go: installing executables with ''go get'' in module mode is deprecated.$'
stderr 'Use ''go install pkg@version'' instead.'
cp go.mod.orig go.mod
@@ -18,7 +18,7 @@ cp go.mod.orig go.mod
# 'go get' inside a module with an executable prints a different
# deprecation message.
go get example.com/cmd/a
-stderr '^go get: installing executables with ''go get'' in module mode is deprecated.$'
+stderr '^go: installing executables with ''go get'' in module mode is deprecated.$'
stderr 'To adjust and download dependencies of the current module, use ''go get -d'''
cp go.mod.orig go.mod
diff --git a/src/cmd/go/testdata/script/mod_get_downgrade.txt b/src/cmd/go/testdata/script/mod_get_downgrade.txt
index c26c5e1c21..685bde7efd 100644
--- a/src/cmd/go/testdata/script/mod_get_downgrade.txt
+++ b/src/cmd/go/testdata/script/mod_get_downgrade.txt
@@ -20,8 +20,8 @@ stdout 'rsc.io/quote v1.5.1'
stdout 'rsc.io/sampler v1.3.0'
! go get -d rsc.io/sampler@v1.0.0 rsc.io/quote@v1.5.2 golang.org/x/text@none
-stderr -count=1 '^go get:'
-stderr '^go get: rsc.io/quote@v1.5.2 requires rsc.io/sampler@v1.3.0, not rsc.io/sampler@v1.0.0$'
+! stderr add|remove|upgrad|downgrad
+stderr '^go: rsc.io/quote@v1.5.2 requires rsc.io/sampler@v1.3.0, not rsc.io/sampler@v1.0.0$'
go list -m all
stdout 'rsc.io/quote v1.5.1'
diff --git a/src/cmd/go/testdata/script/mod_get_downgrade_missing.txt b/src/cmd/go/testdata/script/mod_get_downgrade_missing.txt
index 5b768faeb1..2068cae755 100644
--- a/src/cmd/go/testdata/script/mod_get_downgrade_missing.txt
+++ b/src/cmd/go/testdata/script/mod_get_downgrade_missing.txt
@@ -5,7 +5,7 @@ cp go.mod go.mod.orig
# rather than a "matched no packages" warning.
! go get -d example.net/pkgadded@v1.1.0 example.net/pkgadded/subpkg/...
-stderr '^go get: example.net/pkgadded@v1.1.0 conflicts with example.net/pkgadded/subpkg/...@upgrade \(v1.2.0\)$'
+stderr '^go: example.net/pkgadded@v1.1.0 conflicts with example.net/pkgadded/subpkg/...@upgrade \(v1.2.0\)$'
! stderr 'matched no packages'
cmp go.mod.orig go.mod
diff --git a/src/cmd/go/testdata/script/mod_get_go_file.txt b/src/cmd/go/testdata/script/mod_get_go_file.txt
index 0c7b5dc11c..35a77a9d83 100644
--- a/src/cmd/go/testdata/script/mod_get_go_file.txt
+++ b/src/cmd/go/testdata/script/mod_get_go_file.txt
@@ -17,7 +17,7 @@ env GO111MODULE=on
# argument has .go suffix, is a file and exists
! go get test.go
-stderr 'go get test.go: arguments must be package or module paths'
+stderr 'go: test.go: arguments must be package or module paths'
# argument has .go suffix, doesn't exist and has no slashes
! go get test_missing.go
@@ -25,7 +25,7 @@ stderr 'arguments must be package or module paths'
# argument has .go suffix, is a file and exists in sub-directory
! go get test/test.go
-stderr 'go get: test/test.go exists as a file, but ''go get'' requires package arguments'
+stderr 'go: test/test.go exists as a file, but ''go get'' requires package arguments'
# argument has .go suffix, doesn't exist and has slashes
! go get test/test_missing.go
@@ -35,19 +35,19 @@ stderr 'go get: test/test.go exists as a file, but ''go get'' requires package a
# argument has .go suffix, is a symlink and exists
[symlink] symlink test_sym.go -> test.go
[symlink] ! go get test_sym.go
-[symlink] stderr 'go get test_sym.go: arguments must be package or module paths'
+[symlink] stderr 'go: test_sym.go: arguments must be package or module paths'
[symlink] rm test_sym.go
# argument has .go suffix, is a symlink and exists in sub-directory
[symlink] symlink test/test_sym.go -> test.go
[symlink] ! go get test/test_sym.go
-[symlink] stderr 'go get: test/test_sym.go exists as a file, but ''go get'' requires package arguments'
+[symlink] stderr 'go: test/test_sym.go exists as a file, but ''go get'' requires package arguments'
[symlink] rm test_sym.go
# argument has .go suffix, is a directory and exists
mkdir test_dir.go
! go get test_dir.go
-stderr 'go get test_dir.go: arguments must be package or module paths'
+stderr 'go: test_dir.go: arguments must be package or module paths'
rm test_dir.go
# argument has .go suffix, is a directory and exists in sub-directory
diff --git a/src/cmd/go/testdata/script/mod_get_main.txt b/src/cmd/go/testdata/script/mod_get_main.txt
index 50b2fee9ae..5c9b762543 100644
--- a/src/cmd/go/testdata/script/mod_get_main.txt
+++ b/src/cmd/go/testdata/script/mod_get_main.txt
@@ -3,13 +3,13 @@ cp go.mod.orig go.mod
# relative and absolute paths must be within the main module.
! go get -d ..
-stderr '^go get: \.\. \('$WORK'[/\\]gopath\) is not within module rooted at '$WORK'[/\\]gopath[/\\]src$'
+stderr '^go: \.\. \('$WORK'[/\\]gopath\) is not within module rooted at '$WORK'[/\\]gopath[/\\]src$'
! go get -d $WORK
-stderr '^go get: '$WORK' is not within module rooted at '$WORK'[/\\]gopath[/\\]src$'
+stderr '^go: '$WORK' is not within module rooted at '$WORK'[/\\]gopath[/\\]src$'
! go get -d ../...
-stderr '^go get: \.\./\.\.\. \('$WORK'[/\\]gopath([/\\]...)?\) is not within module rooted at '$WORK'[/\\]gopath[/\\]src$'
+stderr '^go: \.\./\.\.\. \('$WORK'[/\\]gopath([/\\]...)?\) is not within module rooted at '$WORK'[/\\]gopath[/\\]src$'
! go get -d $WORK/...
-stderr '^go get: '$WORK'[/\\]\.\.\. is not within module rooted at '$WORK'[/\\]gopath[/\\]src$'
+stderr '^go: '$WORK'[/\\]\.\.\. is not within module rooted at '$WORK'[/\\]gopath[/\\]src$'
# @patch and @latest within the main module refer to the current version.
# The main module won't be upgraded, but missing dependencies will be added.
@@ -31,15 +31,15 @@ grep 'rsc.io/quote v1.5.1' go.mod
# The main module cannot be updated to a specific version.
! go get -d rsc.io@v0.1.0
-stderr '^go get: can''t request version "v0.1.0" of the main module \(rsc.io\)$'
+stderr '^go: can''t request version "v0.1.0" of the main module \(rsc.io\)$'
# A package in the main module can't be upgraded either.
! go get -d rsc.io/x@v0.1.0
-stderr '^go get: package rsc.io/x is in the main module, so can''t request version v0.1.0$'
+stderr '^go: package rsc.io/x is in the main module, so can''t request version v0.1.0$'
# Nor can a pattern matching packages in the main module.
! go get -d rsc.io/x/...@latest
-stderr '^go get: pattern rsc.io/x/... matches package rsc.io/x in the main module, so can''t request version latest$'
+stderr '^go: pattern rsc.io/x/... matches package rsc.io/x in the main module, so can''t request version latest$'
-- go.mod.orig --
module rsc.io
diff --git a/src/cmd/go/testdata/script/mod_get_newcycle.txt b/src/cmd/go/testdata/script/mod_get_newcycle.txt
index f71620c1bc..18dc650361 100644
--- a/src/cmd/go/testdata/script/mod_get_newcycle.txt
+++ b/src/cmd/go/testdata/script/mod_get_newcycle.txt
@@ -11,4 +11,4 @@ go mod init m
cmp stderr stderr-expected
-- stderr-expected --
-go get: example.com/newcycle/a@v1.0.0 requires example.com/newcycle/a@v1.0.1, not example.com/newcycle/a@v1.0.0
+go: example.com/newcycle/a@v1.0.0 requires example.com/newcycle/a@v1.0.1, not example.com/newcycle/a@v1.0.0
diff --git a/src/cmd/go/testdata/script/mod_get_nopkgs.txt b/src/cmd/go/testdata/script/mod_get_nopkgs.txt
index 078e71a041..2711f93498 100644
--- a/src/cmd/go/testdata/script/mod_get_nopkgs.txt
+++ b/src/cmd/go/testdata/script/mod_get_nopkgs.txt
@@ -16,7 +16,7 @@ go get -d example.net/emptysubdir/... # control case
! go get -d example.net/emptysubdir/subdir/...
! stderr 'matched no packages'
-stderr '^go get example\.net/emptysubdir/subdir/\.\.\.: module example\.net/emptysubdir/subdir: reading http://.*: 404 Not Found\n\tserver response: 404 page not found\n\z'
+stderr '^go: example\.net/emptysubdir/subdir/\.\.\.: module example\.net/emptysubdir/subdir: reading http://.*: 404 Not Found\n\tserver response: 404 page not found\n\z'
# It doesn't make sense to 'go get' a path in the standard library,
# since the standard library necessarily can't have unresolved imports.
@@ -27,7 +27,7 @@ stderr '^go get example\.net/emptysubdir/subdir/\.\.\.: module example\.net/empt
# which isn't ideal either.
! go get -d builtin/... # in GOROOT/src, but contains no packages
-stderr '^go get builtin/...: malformed module path "builtin": missing dot in first path element$'
+stderr '^go: builtin/...: malformed module path "builtin": missing dot in first path element$'
-- go.mod --
module example.net/emptysubdir
diff --git a/src/cmd/go/testdata/script/mod_get_patch.txt b/src/cmd/go/testdata/script/mod_get_patch.txt
index 053ef62147..5957a360b0 100644
--- a/src/cmd/go/testdata/script/mod_get_patch.txt
+++ b/src/cmd/go/testdata/script/mod_get_patch.txt
@@ -8,7 +8,7 @@ cp go.mod go.mod.orig
# at the start of 'go get', not the version after applying other changes.
! go get -d example.net/a@v0.2.0 example.net/b@patch
-stderr '^go get: example.net/a@v0.2.0 requires example.net/b@v0.2.0, not example.net/b@patch \(v0.1.1\)$'
+stderr '^go: example.net/a@v0.2.0 requires example.net/b@v0.2.0, not example.net/b@patch \(v0.1.1\)$'
cmp go.mod go.mod.orig
@@ -19,7 +19,7 @@ cmp go.mod go.mod.orig
# TODO(#42360): Reconsider the change in defaults.
! go get -d -u=patch example.net/a@v0.2.0 example.net/b
-stderr '^go get: example.net/a@v0.2.0 requires example.net/b@v0.2.0, not example.net/b@patch \(v0.1.1\)$'
+stderr '^go: example.net/a@v0.2.0 requires example.net/b@v0.2.0, not example.net/b@patch \(v0.1.1\)$'
cmp go.mod go.mod.orig
@@ -38,7 +38,7 @@ stdout '^example.net/b v0.2.1 '
cp go.mod.orig go.mod
! go get -u=patch all
-stderr '^go get: example.net/a@v0.1.1 \(matching all@patch\) requires example.net/b@v0.2.0, not example.net/b@v0.1.1 \(matching all@patch\)$'
+stderr '^go: example.net/a@v0.1.1 \(matching all@patch\) requires example.net/b@v0.2.0, not example.net/b@v0.1.1 \(matching all@patch\)$'
cmp go.mod go.mod.orig
diff --git a/src/cmd/go/testdata/script/mod_get_patchcycle.txt b/src/cmd/go/testdata/script/mod_get_patchcycle.txt
index d1db56f935..6600109d2d 100644
--- a/src/cmd/go/testdata/script/mod_get_patchcycle.txt
+++ b/src/cmd/go/testdata/script/mod_get_patchcycle.txt
@@ -6,7 +6,7 @@
# (It used to print v0.1.1 but then silently upgrade to v0.2.0.)
! go get example.net/a@patch
-stderr '^go get: example.net/a@patch \(v0.1.1\) requires example.net/a@v0.2.0, not example.net/a@patch \(v0.1.1\)$' # TODO: A mention of b v0.1.0 would be nice.
+stderr '^go: example.net/a@patch \(v0.1.1\) requires example.net/a@v0.2.0, not example.net/a@patch \(v0.1.1\)$' # TODO: A mention of b v0.1.0 would be nice.
-- go.mod --
module example
diff --git a/src/cmd/go/testdata/script/mod_get_patchmod.txt b/src/cmd/go/testdata/script/mod_get_patchmod.txt
index e39d13a0f4..bc1859edc2 100644
--- a/src/cmd/go/testdata/script/mod_get_patchmod.txt
+++ b/src/cmd/go/testdata/script/mod_get_patchmod.txt
@@ -16,7 +16,7 @@ cp go.mod go.mod.orig
# not upgraded to the latest patch of the new transitive dependency.
! go get -d example.net/pkgremoved@patch example.net/other@v0.1.0
-stderr '^go get: example.net/other@v0.1.0 requires example.net/pkgremoved@v0.2.0, not example.net/pkgremoved@patch \(v0.1.1\)$'
+stderr '^go: example.net/other@v0.1.0 requires example.net/pkgremoved@v0.2.0, not example.net/pkgremoved@patch \(v0.1.1\)$'
cmp go.mod.orig go.mod
diff --git a/src/cmd/go/testdata/script/mod_get_patterns.txt b/src/cmd/go/testdata/script/mod_get_patterns.txt
index aee4374dc8..3b5ab43339 100644
--- a/src/cmd/go/testdata/script/mod_get_patterns.txt
+++ b/src/cmd/go/testdata/script/mod_get_patterns.txt
@@ -10,11 +10,11 @@ grep 'require rsc.io/quote' go.mod
cp go.mod.orig go.mod
! go get -d rsc.io/quote/x...
-stderr 'go get: module rsc.io/quote@upgrade found \(v1.5.2\), but does not contain packages matching rsc.io/quote/x...'
+stderr 'go: module rsc.io/quote@upgrade found \(v1.5.2\), but does not contain packages matching rsc.io/quote/x...'
! grep 'require rsc.io/quote' go.mod
! go get -d rsc.io/quote/x/...
-stderr 'go get: module rsc.io/quote@upgrade found \(v1.5.2\), but does not contain packages matching rsc.io/quote/x/...'
+stderr 'go: module rsc.io/quote@upgrade found \(v1.5.2\), but does not contain packages matching rsc.io/quote/x/...'
! grep 'require rsc.io/quote' go.mod
# If a pattern matches no packages within a module, the module should not
diff --git a/src/cmd/go/testdata/script/mod_get_pkgtags.txt b/src/cmd/go/testdata/script/mod_get_pkgtags.txt
index 0c79ec71b7..2e2ab72032 100644
--- a/src/cmd/go/testdata/script/mod_get_pkgtags.txt
+++ b/src/cmd/go/testdata/script/mod_get_pkgtags.txt
@@ -59,7 +59,7 @@ stderr '^example.net/testonly tested by\n\texample.net/testonly\.test imports\n\
# but fail for a non-package subdirectory of a module.
! go get -d example.net/missing/subdir@v0.1.0
-stderr '^go get: module example.net/missing@v0.1.0 found \(replaced by ./missing\), but does not contain package example.net/missing/subdir$'
+stderr '^go: module example.net/missing@v0.1.0 found \(replaced by ./missing\), but does not contain package example.net/missing/subdir$'
go get -d example.net/missing@v0.1.0
@@ -68,7 +68,7 @@ go get -d example.net/missing@v0.1.0
# module is already present in the build list.
! go get -d example.net/missing/subdir@v0.1.0
-stderr '^go get: module example.net/missing@v0.1.0 found \(replaced by ./missing\), but does not contain package example.net/missing/subdir$'
+stderr '^go: module example.net/missing@v0.1.0 found \(replaced by ./missing\), but does not contain package example.net/missing/subdir$'
-- go.mod --
diff --git a/src/cmd/go/testdata/script/mod_get_private_vcs.txt b/src/cmd/go/testdata/script/mod_get_private_vcs.txt
index 75c776a7fa..c8862f42f9 100644
--- a/src/cmd/go/testdata/script/mod_get_private_vcs.txt
+++ b/src/cmd/go/testdata/script/mod_get_private_vcs.txt
@@ -13,7 +13,7 @@ stderr 'If this is a private repository, see https://golang.org/doc/faq#git_http
# Fetching a nonexistent commit should return an "unknown revision"
# error message.
! go get github.com/golang/term@86186f3aba07ed0212cfb944f3398997d2d07c6b
-stderr '^go get: github.com/golang/term@86186f3aba07ed0212cfb944f3398997d2d07c6b: invalid version: unknown revision 86186f3aba07ed0212cfb944f3398997d2d07c6b$'
+stderr '^go: github.com/golang/term@86186f3aba07ed0212cfb944f3398997d2d07c6b: invalid version: unknown revision 86186f3aba07ed0212cfb944f3398997d2d07c6b$'
! stdout .
! go get github.com/golang/nonexist@master
diff --git a/src/cmd/go/testdata/script/mod_get_replaced.txt b/src/cmd/go/testdata/script/mod_get_replaced.txt
index d97f3f1a40..ab21bd57fa 100644
--- a/src/cmd/go/testdata/script/mod_get_replaced.txt
+++ b/src/cmd/go/testdata/script/mod_get_replaced.txt
@@ -82,7 +82,7 @@ cp go.mod.orig go.mod
! go list example
stderr '^package example is not in GOROOT \(.*\)$'
! go get -d example
-stderr '^go get: malformed module path "example": missing dot in first path element$'
+stderr '^go: malformed module path "example": missing dot in first path element$'
go mod edit -replace example@v0.1.0=./example
diff --git a/src/cmd/go/testdata/script/mod_get_split.txt b/src/cmd/go/testdata/script/mod_get_split.txt
index f4e7661f9b..2fb88ab2da 100644
--- a/src/cmd/go/testdata/script/mod_get_split.txt
+++ b/src/cmd/go/testdata/script/mod_get_split.txt
@@ -55,7 +55,7 @@ stderr '^example.net/split/nested: ambiguous import: found package example.net/s
# TODO(#27899): Should we instead upgrade or downgrade to an arbirary version?
! go get -d example.net/split/nested/...@v0.1.0
-stderr '^go get: example.net/split/nested/\.\.\.@v0.1.0 matches packages in example.net/split@v0.2.0 but not example.net/split@v0.1.0: specify a different version for module example.net/split$'
+stderr '^go: example.net/split/nested/\.\.\.@v0.1.0 matches packages in example.net/split@v0.2.0 but not example.net/split@v0.1.0: specify a different version for module example.net/split$'
cmp go.mod go.mod.orig
diff --git a/src/cmd/go/testdata/script/mod_get_svn.txt b/src/cmd/go/testdata/script/mod_get_svn.txt
index 3817fce9b6..4d6b94ae5b 100644
--- a/src/cmd/go/testdata/script/mod_get_svn.txt
+++ b/src/cmd/go/testdata/script/mod_get_svn.txt
@@ -27,7 +27,7 @@ exists $GOPATH/bin/hello.svn$GOEXE
# reasonable message instead of a panic.
! go get -d vcs-test.golang.org/svn/nonexistent.svn
! stderr panic
-stderr 'go get vcs-test.golang.org/svn/nonexistent.svn: no matching versions for query "upgrade"'
+stderr 'go: vcs-test.golang.org/svn/nonexistent.svn: no matching versions for query "upgrade"'
-- go.mod --
module golang/go/issues/28943/main
diff --git a/src/cmd/go/testdata/script/mod_get_wild.txt b/src/cmd/go/testdata/script/mod_get_wild.txt
index 78c645c6b9..b88f268a1d 100644
--- a/src/cmd/go/testdata/script/mod_get_wild.txt
+++ b/src/cmd/go/testdata/script/mod_get_wild.txt
@@ -12,7 +12,7 @@ stdout '^example.net/a v0.1.0 '
# from attempting to resolve a new module whose path is a prefix of the pattern.
! go get -d -u=patch example.../b@upgrade
-stderr '^go get: no modules to query for example\.\.\./b@upgrade because first path element contains a wildcard$'
+stderr '^go: no modules to query for example\.\.\./b@upgrade because first path element contains a wildcard$'
# Patching . causes a patch to example.net/a, which introduces a new match
diff --git a/src/cmd/go/testdata/script/mod_getmode_vendor.txt b/src/cmd/go/testdata/script/mod_getmode_vendor.txt
index 00070c03b5..a4e23ac9d0 100644
--- a/src/cmd/go/testdata/script/mod_getmode_vendor.txt
+++ b/src/cmd/go/testdata/script/mod_getmode_vendor.txt
@@ -11,16 +11,16 @@ stdout '^rsc.io/quote v1.5.1 .*vendor[\\/]rsc.io[\\/]quote$'
stdout '^golang.org/x/text v0.0.0.* .*vendor[\\/]golang.org[\\/]x[\\/]text[\\/]language$'
! go list -mod=vendor -m rsc.io/quote@latest
-stderr 'go list -m: rsc.io/quote@latest: cannot query module due to -mod=vendor'
+stderr 'go: rsc.io/quote@latest: cannot query module due to -mod=vendor'
! go get -mod=vendor -u
stderr 'flag provided but not defined: -mod'
# Since we don't have a complete module graph, 'go list -m' queries
# that require the complete graph should fail with a useful error.
! go list -mod=vendor -m all
-stderr 'go list -m: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'
+stderr 'go: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'
! go list -mod=vendor -m ...
-stderr 'go list -m: can''t match module patterns using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'
+stderr 'go: can''t match module patterns using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'
-- go.mod --
module x
diff --git a/src/cmd/go/testdata/script/mod_gonoproxy.txt b/src/cmd/go/testdata/script/mod_gonoproxy.txt
index 204786969f..190940030c 100644
--- a/src/cmd/go/testdata/script/mod_gonoproxy.txt
+++ b/src/cmd/go/testdata/script/mod_gonoproxy.txt
@@ -27,13 +27,13 @@ stdout '^golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c$'
# When GOPROXY is not empty but contains no entries, an error should be reported.
env GOPROXY=','
! go get -d golang.org/x/text
-stderr '^go get golang.org/x/text: GOPROXY list is not the empty string, but contains no entries$'
+stderr '^go: golang.org/x/text: GOPROXY list is not the empty string, but contains no entries$'
# When GOPROXY=off, fetching modules not matched by GONOPROXY fails.
env GONOPROXY=*/fortune
env GOPROXY=off
! go get -d golang.org/x/text
-stderr '^go get golang.org/x/text: module lookup disabled by GOPROXY=off$'
+stderr '^go: golang.org/x/text: module lookup disabled by GOPROXY=off$'
# GONOPROXY bypasses proxy
[!net] skip
diff --git a/src/cmd/go/testdata/script/mod_install_pkg_version.txt b/src/cmd/go/testdata/script/mod_install_pkg_version.txt
index fd02392af1..1ee68e7ad8 100644
--- a/src/cmd/go/testdata/script/mod_install_pkg_version.txt
+++ b/src/cmd/go/testdata/script/mod_install_pkg_version.txt
@@ -16,7 +16,7 @@ env GO111MODULE=auto
cd m
cp go.mod go.mod.orig
! go list -m all
-stderr '^go list -m: example.com/cmd@v1.1.0-doesnotexist: missing go.sum entry; to add it:\n\tgo mod download example.com/cmd$'
+stderr '^go: example.com/cmd@v1.1.0-doesnotexist: missing go.sum entry; to add it:\n\tgo mod download example.com/cmd$'
go install example.com/cmd/a@latest
cmp go.mod go.mod.orig
exists $GOPATH/bin/a$GOEXE
@@ -81,15 +81,15 @@ env GO111MODULE=auto
# 'go install pkg@version' reports errors for meta packages, std packages,
# and directories.
! go install std@v1.0.0
-stderr '^go install: std@v1.0.0: argument must be a package path, not a meta-package$'
+stderr '^go: std@v1.0.0: argument must be a package path, not a meta-package$'
! go install fmt@v1.0.0
-stderr '^go install: fmt@v1.0.0: argument must not be a package in the standard library$'
+stderr '^go: fmt@v1.0.0: argument must not be a package in the standard library$'
! go install example.com//cmd/a@v1.0.0
-stderr '^go install: example.com//cmd/a@v1.0.0: argument must be a clean package path$'
+stderr '^go: example.com//cmd/a@v1.0.0: argument must be a clean package path$'
! go install example.com/cmd/a@v1.0.0 ./x@v1.0.0
-stderr '^go install: ./x@v1.0.0: argument must be a package path, not a relative path$'
+stderr '^go: ./x@v1.0.0: argument must be a package path, not a relative path$'
! go install example.com/cmd/a@v1.0.0 $GOPATH/src/x@v1.0.0
-stderr '^go install: '$WORK'[/\\]gopath/src/x@v1.0.0: argument must be a package path, not an absolute path$'
+stderr '^go: '$WORK'[/\\]gopath/src/x@v1.0.0: argument must be a package path, not an absolute path$'
! go install example.com/cmd/a@v1.0.0 cmd/...@v1.0.0
stderr '^package cmd/go not provided by module example.com/cmd@v1.0.0$'
@@ -106,7 +106,7 @@ stdout '^example.com/cmd v1.0.0$'
env GO111MODULE=auto
! go install example.com/cmd/a@v1.0.0 example.com/cmd/b@latest
-stderr '^go install: example.com/cmd/b@latest: all arguments must have the same version \(@v1.0.0\)$'
+stderr '^go: example.com/cmd/b@latest: all arguments must have the same version \(@v1.0.0\)$'
# 'go install pkg@version' should report an error if the arguments are in
@@ -137,7 +137,7 @@ rm $GOPATH/bin
# If a wildcard matches no packages, we should see a warning.
! go install example.com/cmd/nomatch...@v1.0.0
-stderr '^go install: example.com/cmd/nomatch\.\.\.@v1.0.0: module example.com/cmd@v1.0.0 found, but does not contain packages matching example.com/cmd/nomatch\.\.\.$'
+stderr '^go: example.com/cmd/nomatch\.\.\.@v1.0.0: module example.com/cmd@v1.0.0 found, but does not contain packages matching example.com/cmd/nomatch\.\.\.$'
go install example.com/cmd/a@v1.0.0 example.com/cmd/nomatch...@v1.0.0
stderr '^go: warning: "example.com/cmd/nomatch\.\.\." matched no packages$'
@@ -159,7 +159,7 @@ cmp stderr exclude-err
# 'go install pkg@version' should report an error if the module requires a
# higher version of itself.
! go install example.com/cmd/a@v1.0.0-newerself
-stderr '^go install: example.com/cmd/a@v1.0.0-newerself: version constraints conflict:\n\texample.com/cmd@v1.0.0-newerself requires example.com/cmd@v1.0.0, but example.com/cmd@v1.0.0-newerself is requested$'
+stderr '^go: example.com/cmd/a@v1.0.0-newerself: version constraints conflict:\n\texample.com/cmd@v1.0.0-newerself requires example.com/cmd@v1.0.0, but example.com/cmd@v1.0.0-newerself is requested$'
# 'go install pkg@version' will only match a retracted version if it's
@@ -192,12 +192,12 @@ package main
func main() {}
-- replace-err --
-go install: example.com/cmd/a@v1.0.0-replace (in example.com/cmd@v1.0.0-replace):
+go: example.com/cmd/a@v1.0.0-replace (in example.com/cmd@v1.0.0-replace):
The go.mod file for the module providing named packages contains one or
more replace directives. It must not contain directives that would cause
it to be interpreted differently than if it were the main module.
-- exclude-err --
-go install: example.com/cmd/a@v1.0.0-exclude (in example.com/cmd@v1.0.0-exclude):
+go: example.com/cmd/a@v1.0.0-exclude (in example.com/cmd@v1.0.0-exclude):
The go.mod file for the module providing named packages contains one or
more exclude directives. It must not contain directives that would cause
it to be interpreted differently than if it were the main module.
diff --git a/src/cmd/go/testdata/script/mod_invalid_path.txt b/src/cmd/go/testdata/script/mod_invalid_path.txt
index 333a3ffa35..766e9c0909 100644
--- a/src/cmd/go/testdata/script/mod_invalid_path.txt
+++ b/src/cmd/go/testdata/script/mod_invalid_path.txt
@@ -29,7 +29,7 @@ stdout '^example.com/dotname/.dot$'
go list ./use
stdout '^example.com/dotname/use$'
! go list -m example.com/dotname/.dot@latest
-stderr '^go list -m: example.com/dotname/.dot@latest: malformed module path "example.com/dotname/.dot": leading dot in path element$'
+stderr '^go: example.com/dotname/.dot@latest: malformed module path "example.com/dotname/.dot": leading dot in path element$'
go get -d example.com/dotname/.dot
go get -d example.com/dotname/use
go mod tidy
diff --git a/src/cmd/go/testdata/script/mod_invalid_path_plus.txt b/src/cmd/go/testdata/script/mod_invalid_path_plus.txt
index 51dbf93688..6a29eb8ce0 100644
--- a/src/cmd/go/testdata/script/mod_invalid_path_plus.txt
+++ b/src/cmd/go/testdata/script/mod_invalid_path_plus.txt
@@ -9,7 +9,7 @@ go list example.net/cmd/x++
# 'go list -m' rejects module paths with pluses.
! go list -versions -m 'example.net/bad++'
-stderr '^go list -m: malformed module path "example.net/bad\+\+": invalid char ''\+''$'
+stderr '^go: malformed module path "example.net/bad\+\+": invalid char ''\+''$'
# 'go get' accepts package paths with pluses.
cp go.mod.orig go.mod
diff --git a/src/cmd/go/testdata/script/mod_invalid_version.txt b/src/cmd/go/testdata/script/mod_invalid_version.txt
index 6846a792a5..31b25f757e 100644
--- a/src/cmd/go/testdata/script/mod_invalid_version.txt
+++ b/src/cmd/go/testdata/script/mod_invalid_version.txt
@@ -19,7 +19,7 @@ cp go.mod.orig go.mod
go mod edit -require golang.org/x/text@14c0d48ead0c
cd outside
! go list -m golang.org/x/text
-stderr 'go list -m: example.com@v0.0.0 \(replaced by \./\.\.\): parsing ..[/\\]go.mod: '$WORK'[/\\]gopath[/\\]src[/\\]go.mod:5: require golang.org/x/text: version "14c0d48ead0c" invalid: must be of the form v1.2.3'
+stderr 'go: example.com@v0.0.0 \(replaced by \./\.\.\): parsing ..[/\\]go.mod: '$WORK'[/\\]gopath[/\\]src[/\\]go.mod:5: require golang.org/x/text: version "14c0d48ead0c" invalid: must be of the form v1.2.3'
cd ..
go list -m golang.org/x/text
stdout 'golang.org/x/text v0.1.1-0.20170915032832-14c0d48ead0c'
@@ -30,7 +30,7 @@ cp go.mod.orig go.mod
go mod edit -require golang.org/x/text/unicode@v0.0.0-20170915032832-14c0d48ead0c
cd outside
! go list -m golang.org/x/text
-stderr 'go list -m: example.com@v0.0.0 requires\n\tgolang.org/x/text/unicode@v0.0.0-20170915032832-14c0d48ead0c: invalid version: missing golang.org/x/text/unicode/go.mod at revision 14c0d48ead0c'
+stderr 'go: example.com@v0.0.0 requires\n\tgolang.org/x/text/unicode@v0.0.0-20170915032832-14c0d48ead0c: invalid version: missing golang.org/x/text/unicode/go.mod at revision 14c0d48ead0c'
cd ..
! go list -m golang.org/x/text
stderr 'golang.org/x/text/unicode@v0.0.0-20170915032832-14c0d48ead0c: invalid version: missing golang.org/x/text/unicode/go.mod at revision 14c0d48ead0c'
@@ -47,7 +47,7 @@ cp go.mod.orig go.mod
go mod edit -require golang.org/x/text@v2.1.1-0.20170915032832-14c0d48ead0c
cd outside
! go list -m golang.org/x/text
-stderr 'go list -m: example.com@v0.0.0 \(replaced by \./\.\.\): parsing ..[/\\]go.mod: '$WORK'[/\\]gopath[/\\]src[/\\]go.mod:5: require golang.org/x/text: version "v2.1.1-0.20170915032832-14c0d48ead0c" invalid: should be v0 or v1, not v2'
+stderr 'go: example.com@v0.0.0 \(replaced by \./\.\.\): parsing ..[/\\]go.mod: '$WORK'[/\\]gopath[/\\]src[/\\]go.mod:5: require golang.org/x/text: version "v2.1.1-0.20170915032832-14c0d48ead0c" invalid: should be v0 or v1, not v2'
cd ..
! go list -m golang.org/x/text
stderr $WORK'[/\\]gopath[/\\]src[/\\]go.mod:5: require golang.org/x/text: version "v2.1.1-0.20170915032832-14c0d48ead0c" invalid: should be v0 or v1, not v2'
@@ -57,7 +57,7 @@ cp go.mod.orig go.mod
go mod edit -require golang.org/x/text@v0.1.1-0.20170915032832-14c0d48ead0
cd outside
! go list -m golang.org/x/text
-stderr 'go list -m: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.1.1-0.20170915032832-14c0d48ead0: invalid pseudo-version: revision is shorter than canonical \(14c0d48ead0c\)'
+stderr 'go: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.1.1-0.20170915032832-14c0d48ead0: invalid pseudo-version: revision is shorter than canonical \(14c0d48ead0c\)'
cd ..
! go list -m golang.org/x/text
stderr 'golang.org/x/text@v0.1.1-0.20170915032832-14c0d48ead0: invalid pseudo-version: revision is shorter than canonical \(14c0d48ead0c\)'
@@ -67,7 +67,7 @@ cp go.mod.orig go.mod
go mod edit -require golang.org/x/text@v0.1.1-0.20170915032832-14c0d48ead0cd47e3104ada247d91be04afc7a5a
cd outside
! go list -m golang.org/x/text
-stderr 'go list -m: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.1.1-0.20170915032832-14c0d48ead0cd47e3104ada247d91be04afc7a5a: invalid pseudo-version: revision is longer than canonical \(14c0d48ead0c\)'
+stderr 'go: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.1.1-0.20170915032832-14c0d48ead0cd47e3104ada247d91be04afc7a5a: invalid pseudo-version: revision is longer than canonical \(14c0d48ead0c\)'
cd ..
! go list -m golang.org/x/text
stderr 'golang.org/x/text@v0.1.1-0.20170915032832-14c0d48ead0cd47e3104ada247d91be04afc7a5a: invalid pseudo-version: revision is longer than canonical \(14c0d48ead0c\)'
@@ -77,7 +77,7 @@ cp go.mod.orig go.mod
go mod edit -require golang.org/x/text@v0.1.1-0.20190915032832-14c0d48ead0c
cd outside
! go list -m golang.org/x/text
-stderr 'go list -m: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.1.1-0.20190915032832-14c0d48ead0c: invalid pseudo-version: does not match version-control timestamp \(expected 20170915032832\)'
+stderr 'go: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.1.1-0.20190915032832-14c0d48ead0c: invalid pseudo-version: does not match version-control timestamp \(expected 20170915032832\)'
cd ..
! go list -m golang.org/x/text
stderr 'golang.org/x/text@v0.1.1-0.20190915032832-14c0d48ead0c: invalid pseudo-version: does not match version-control timestamp \(expected 20170915032832\)'
@@ -87,7 +87,7 @@ stderr 'golang.org/x/text@v0.1.1-0.20190915032832-14c0d48ead0c: invalid pseudo-v
go mod edit -replace golang.org/x/text@v0.1.1-0.20190915032832-14c0d48ead0c=golang.org/x/text@14c0d48ead0c
cd outside
! go list -m golang.org/x/text
-stderr 'go list -m: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.1.1-0.20190915032832-14c0d48ead0c: invalid pseudo-version: does not match version-control timestamp \(expected 20170915032832\)'
+stderr 'go: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.1.1-0.20190915032832-14c0d48ead0c: invalid pseudo-version: does not match version-control timestamp \(expected 20170915032832\)'
cd ..
go list -m golang.org/x/text
stdout 'golang.org/x/text v0.1.1-0.20190915032832-14c0d48ead0c => golang.org/x/text v0.1.1-0.20170915032832-14c0d48ead0c'
@@ -97,7 +97,7 @@ cp go.mod.orig go.mod
go mod edit -require golang.org/x/text@v1.999.999-0.20170915032832-14c0d48ead0c
cd outside
! go list -m golang.org/x/text
-stderr 'go list -m: example.com@v0.0.0 requires\n\tgolang.org/x/text@v1.999.999-0.20170915032832-14c0d48ead0c: invalid pseudo-version: preceding tag \(v1.999.998\) not found'
+stderr 'go: example.com@v0.0.0 requires\n\tgolang.org/x/text@v1.999.999-0.20170915032832-14c0d48ead0c: invalid pseudo-version: preceding tag \(v1.999.998\) not found'
cd ..
! go list -m golang.org/x/text
stderr 'golang.org/x/text@v1.999.999-0.20170915032832-14c0d48ead0c: invalid pseudo-version: preceding tag \(v1.999.998\) not found'
@@ -109,7 +109,7 @@ cp go.mod.orig go.mod
go mod edit -require golang.org/x/text@v1.0.0-20170915032832-14c0d48ead0c
cd outside
! go list -m golang.org/x/text
-stderr 'go list -m: example.com@v0.0.0 requires\n\tgolang.org/x/text@v1.0.0-20170915032832-14c0d48ead0c: invalid pseudo-version: major version without preceding tag must be v0, not v1'
+stderr 'go: example.com@v0.0.0 requires\n\tgolang.org/x/text@v1.0.0-20170915032832-14c0d48ead0c: invalid pseudo-version: major version without preceding tag must be v0, not v1'
cd ..
! go list -m golang.org/x/text
stderr 'golang.org/x/text@v1.0.0-20170915032832-14c0d48ead0c: invalid pseudo-version: major version without preceding tag must be v0, not v1'
@@ -120,7 +120,7 @@ cp go.mod.orig go.mod
go mod edit -require golang.org/x/text@v0.0.0-0.20170915032832-14c0d48ead0c
cd outside
! go list -m golang.org/x/text
-stderr 'go list -m: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.0.0-0.20170915032832-14c0d48ead0c: invalid pseudo-version: version before v0.0.0 would have negative patch number'
+stderr 'go: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.0.0-0.20170915032832-14c0d48ead0c: invalid pseudo-version: version before v0.0.0 would have negative patch number'
cd ..
! go list -m golang.org/x/text
stderr 'golang.org/x/text@v0.0.0-0.20170915032832-14c0d48ead0c: invalid pseudo-version: version before v0.0.0 would have negative patch number'
@@ -130,7 +130,7 @@ stderr 'golang.org/x/text@v0.0.0-0.20170915032832-14c0d48ead0c: invalid pseudo-v
go mod edit -replace golang.org/x/text@v0.0.0-0.20170915032832-14c0d48ead0c=golang.org/x/text@v0.0.0-20170915032832-14c0d48ead0c
cd outside
! go list -m golang.org/x/text
-stderr 'go list -m: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.0.0-0.20170915032832-14c0d48ead0c: invalid pseudo-version: version before v0.0.0 would have negative patch number'
+stderr 'go: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.0.0-0.20170915032832-14c0d48ead0c: invalid pseudo-version: version before v0.0.0 would have negative patch number'
cd ..
go list -m golang.org/x/text
stdout 'golang.org/x/text v0.0.0-0.20170915032832-14c0d48ead0c => golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c'
@@ -153,7 +153,7 @@ cp go.mod.orig go.mod
go mod edit -require golang.org/x/text@v0.2.1-0.20170915032832-14c0d48ead0c
cd outside
! go list -m golang.org/x/text
-stderr 'go list -m: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.2.1-0.20170915032832-14c0d48ead0c: invalid pseudo-version: revision 14c0d48ead0c is not a descendent of preceding tag \(v0.2.0\)'
+stderr 'go: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.2.1-0.20170915032832-14c0d48ead0c: invalid pseudo-version: revision 14c0d48ead0c is not a descendent of preceding tag \(v0.2.0\)'
cd ..
! go list -m golang.org/x/text
stderr 'golang.org/x/text@v0.2.1-0.20170915032832-14c0d48ead0c: invalid pseudo-version: revision 14c0d48ead0c is not a descendent of preceding tag \(v0.2.0\)'
@@ -163,7 +163,7 @@ cp go.mod.orig go.mod
go mod edit -require golang.org/x/text@v0.2.1-0.20171213102548-c4d099d611ac
cd outside
! go list -m golang.org/x/text
-stderr 'go list -m: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.2.1-0.20171213102548-c4d099d611ac: invalid pseudo-version: tag \(v0.2.0\) found on revision c4d099d611ac is already canonical, so should not be replaced with a pseudo-version derived from that tag'
+stderr 'go: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.2.1-0.20171213102548-c4d099d611ac: invalid pseudo-version: tag \(v0.2.0\) found on revision c4d099d611ac is already canonical, so should not be replaced with a pseudo-version derived from that tag'
cd ..
! go list -m golang.org/x/text
stderr 'golang.org/x/text@v0.2.1-0.20171213102548-c4d099d611ac: invalid pseudo-version: tag \(v0.2.0\) found on revision c4d099d611ac is already canonical, so should not be replaced with a pseudo-version derived from that tag'
@@ -173,7 +173,7 @@ cp go.mod.orig go.mod
go mod edit -require golang.org/x/text@v0.1.1-0.20170915032832-14c0d48ead0c+incompatible
cd outside
! go list -m golang.org/x/text
-stderr 'go list -m: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.1.1-0.20170915032832-14c0d48ead0c\+incompatible: invalid version: \+incompatible suffix not allowed: major version v0 is compatible'
+stderr 'go: example.com@v0.0.0 requires\n\tgolang.org/x/text@v0.1.1-0.20170915032832-14c0d48ead0c\+incompatible: invalid version: \+incompatible suffix not allowed: major version v0 is compatible'
cd ..
! go list -m golang.org/x/text
stderr 'golang.org/x/text@v0.1.1-0.20170915032832-14c0d48ead0c\+incompatible: invalid version: \+incompatible suffix not allowed: major version v0 is compatible'
@@ -194,7 +194,7 @@ cp go.mod.orig go.mod
go mod edit -require github.com/pierrec/lz4@v2.0.9-0.20190209155647-9a39efadad3d+incompatible
cd outside
! go list -m github.com/pierrec/lz4
-stderr 'go list -m: example.com@v0.0.0 requires\n\tgithub.com/pierrec/lz4@v2.0.9-0.20190209155647-9a39efadad3d\+incompatible: invalid version: \+incompatible suffix not allowed: module contains a go.mod file, so semantic import versioning is required'
+stderr 'go: example.com@v0.0.0 requires\n\tgithub.com/pierrec/lz4@v2.0.9-0.20190209155647-9a39efadad3d\+incompatible: invalid version: \+incompatible suffix not allowed: module contains a go.mod file, so semantic import versioning is required'
cd ..
! go list -m github.com/pierrec/lz4
stderr 'github.com/pierrec/lz4@v2.0.9-0.20190209155647-9a39efadad3d\+incompatible: invalid version: \+incompatible suffix not allowed: module contains a go.mod file, so semantic import versioning is required'
@@ -222,7 +222,7 @@ stdout 'github.com/pierrec/lz4 v2.0.5\+incompatible'
# not resolve to a pseudo-version with a different major version.
cp go.mod.orig go.mod
! go get -d github.com/pierrec/lz4@v2.0.8
-stderr 'go get: github.com/pierrec/lz4@v2.0.8: invalid version: module contains a go.mod file, so major version must be compatible: should be v0 or v1, not v2'
+stderr 'go: github.com/pierrec/lz4@v2.0.8: invalid version: module contains a go.mod file, so major version must be compatible: should be v0 or v1, not v2'
# An invalid +incompatible suffix for a canonical version should error out,
# not resolve to a pseudo-version.
diff --git a/src/cmd/go/testdata/script/mod_list.txt b/src/cmd/go/testdata/script/mod_list.txt
index 239c7caa4a..06316cc335 100644
--- a/src/cmd/go/testdata/script/mod_list.txt
+++ b/src/cmd/go/testdata/script/mod_list.txt
@@ -39,8 +39,8 @@ stdout '^module nonexist: not a known dependency$'
stdout '^module rsc.io/quote/buggy: not a known dependency$'
! go list -m nonexist rsc.io/quote/buggy
-stderr '^go list -m: module nonexist: not a known dependency'
-stderr '^go list -m: module rsc.io/quote/buggy: not a known dependency'
+stderr '^go: module nonexist: not a known dependency'
+stderr '^go: module rsc.io/quote/buggy: not a known dependency'
# Module loader does not interfere with list -e (golang.org/issue/24149).
go list -e -f '{{.Error.Err}}' database
diff --git a/src/cmd/go/testdata/script/mod_list_sums.txt b/src/cmd/go/testdata/script/mod_list_sums.txt
index 86c528f829..6c2f57c2b2 100644
--- a/src/cmd/go/testdata/script/mod_list_sums.txt
+++ b/src/cmd/go/testdata/script/mod_list_sums.txt
@@ -29,4 +29,4 @@ stderr '^go: updates to go.sum needed, disabled by -mod=readonly$'
#
# TODO(#41297): This should not be an error either.
! go list -m -mod=readonly -versions rsc.io/sampler
-stderr '^go list -m: rsc\.io/quote@v1\.5\.1: missing go\.sum entry; to add it:\n\tgo mod download rsc\.io/quote$'
+stderr '^go: rsc\.io/quote@v1\.5\.1: missing go\.sum entry; to add it:\n\tgo mod download rsc\.io/quote$'
diff --git a/src/cmd/go/testdata/script/mod_list_update_nolatest.txt b/src/cmd/go/testdata/script/mod_list_update_nolatest.txt
index c6bbbb04ec..7eebe266db 100644
--- a/src/cmd/go/testdata/script/mod_list_update_nolatest.txt
+++ b/src/cmd/go/testdata/script/mod_list_update_nolatest.txt
@@ -26,7 +26,7 @@ stdout '^example.com/nolatest v0.0.0$'
# If proxy returns an invalid response, we should see an error.
env GOPROXY=$testproxy/invalid
! go list -m -u example.com/nolatest
-stderr '^go list -m: loading module retractions for example.com/nolatest@v0.0.0: invalid response from proxy "[^"]*": invalid character ''i'' looking for beginning of value$'
+stderr '^go: loading module retractions for example.com/nolatest@v0.0.0: invalid response from proxy "[^"]*": invalid character ''i'' looking for beginning of value$'
-- go.mod --
module m
diff --git a/src/cmd/go/testdata/script/mod_load_badchain.txt b/src/cmd/go/testdata/script/mod_load_badchain.txt
index eb464ab0d3..0c4e5e1714 100644
--- a/src/cmd/go/testdata/script/mod_load_badchain.txt
+++ b/src/cmd/go/testdata/script/mod_load_badchain.txt
@@ -69,17 +69,17 @@ import (
func Test(t *testing.T) {}
-- update-main-expected --
-go get: example.com/badchain/c@v1.1.0: parsing go.mod:
+go: example.com/badchain/c@v1.1.0: parsing go.mod:
module declares its path as: badchain.example.com/c
but was required as: example.com/badchain/c
-- update-a-expected --
-go get: example.com/badchain/a@v1.1.0 requires
+go: example.com/badchain/a@v1.1.0 requires
example.com/badchain/b@v1.1.0 requires
example.com/badchain/c@v1.1.0: parsing go.mod:
module declares its path as: badchain.example.com/c
but was required as: example.com/badchain/c
-- list-expected --
-go list -m: example.com/badchain/a@v1.1.0 requires
+go: example.com/badchain/a@v1.1.0 requires
example.com/badchain/b@v1.1.0 requires
example.com/badchain/c@v1.1.0: parsing go.mod:
module declares its path as: badchain.example.com/c
diff --git a/src/cmd/go/testdata/script/mod_outside.txt b/src/cmd/go/testdata/script/mod_outside.txt
index 3b4559405a..6da6314b79 100644
--- a/src/cmd/go/testdata/script/mod_outside.txt
+++ b/src/cmd/go/testdata/script/mod_outside.txt
@@ -135,12 +135,12 @@ stderr '^go: go.mod file not found in current directory or any parent directory;
# 'go get -u all' upgrades the transitive import graph of the main module,
# which is empty.
! go get -u all
-stderr '^go get: cannot match "all": go.mod file not found in current directory or any parent directory; see ''go help modules''$'
+stderr '^go: cannot match "all": go.mod file not found in current directory or any parent directory; see ''go help modules''$'
# 'go get' should check the proposed module graph for consistency,
# even though we won't write it anywhere.
! go get -d example.com/printversion@v1.0.0 example.com/version@none
-stderr '^go get: example.com/printversion@v1.0.0 requires example.com/version@v1.0.0, not example.com/version@none$'
+stderr '^go: example.com/printversion@v1.0.0 requires example.com/version@v1.0.0, not example.com/version@none$'
# 'go get -d' should download and extract the source code needed to build the requested version.
rm -r $GOPATH/pkg/mod/example.com
@@ -196,7 +196,7 @@ exists $GOPATH/bin/printversion$GOEXE
# 'go install' should fail if a package argument must be resolved to a module.
! go install example.com/printversion
-stderr '^go install: version is required when current directory is not in a module\n\tTry ''go install example.com/printversion@latest'' to install the latest version$'
+stderr '^go: ''go install'' requires a version when current directory is not in a module\n\tTry ''go install example.com/printversion@latest'' to install the latest version$'
# 'go install' should fail if a source file imports a package that must be
# resolved to a module.
diff --git a/src/cmd/go/testdata/script/mod_prefer_compatible.txt b/src/cmd/go/testdata/script/mod_prefer_compatible.txt
index 1b408c3e9e..8e88997a3c 100644
--- a/src/cmd/go/testdata/script/mod_prefer_compatible.txt
+++ b/src/cmd/go/testdata/script/mod_prefer_compatible.txt
@@ -24,7 +24,7 @@ go list -m github.com/russross/blackfriday@upgrade
stdout '^github.com/russross/blackfriday v1\.'
! go list -m github.com/russross/blackfriday@patch
-stderr '^go list -m: github.com/russross/blackfriday@patch: can''t query version "patch" of module github.com/russross/blackfriday: no existing version is required$'
+stderr '^go: github.com/russross/blackfriday@patch: can''t query version "patch" of module github.com/russross/blackfriday: no existing version is required$'
# If we're fetching directly from version control, ignored +incompatible
# versions should also be omitted by 'go list'.
diff --git a/src/cmd/go/testdata/script/mod_proxy_invalid.txt b/src/cmd/go/testdata/script/mod_proxy_invalid.txt
index 6427cc1527..63980b839e 100644
--- a/src/cmd/go/testdata/script/mod_proxy_invalid.txt
+++ b/src/cmd/go/testdata/script/mod_proxy_invalid.txt
@@ -2,7 +2,7 @@ env GO111MODULE=on
env GOPROXY=$GOPROXY/invalid
! go list -m rsc.io/quote@latest
-stderr '^go list -m: module rsc.io/quote: invalid response from proxy "'$GOPROXY'": invalid character ''i'' looking for beginning of value$'
+stderr '^go: module rsc.io/quote: invalid response from proxy "'$GOPROXY'": invalid character ''i'' looking for beginning of value$'
! go list -m rsc.io/quote@1.5.2
-stderr '^go list -m: rsc.io/quote@1.5.2: invalid version: invalid response from proxy "'$GOPROXY'": invalid character ''i'' looking for beginning of value$'
+stderr '^go: rsc.io/quote@1.5.2: invalid version: invalid response from proxy "'$GOPROXY'": invalid character ''i'' looking for beginning of value$'
diff --git a/src/cmd/go/testdata/script/mod_query.txt b/src/cmd/go/testdata/script/mod_query.txt
index a75f86ed7c..3758732504 100644
--- a/src/cmd/go/testdata/script/mod_query.txt
+++ b/src/cmd/go/testdata/script/mod_query.txt
@@ -25,7 +25,7 @@ go list -m rsc.io/quote@<v1.5.4
stdout 'rsc.io/quote v1.5.2$'
! go list -m rsc.io/quote@>v1.5.3
-stderr 'go list -m: module rsc.io/quote: no matching versions for query ">v1.5.3"'
+stderr 'go: module rsc.io/quote: no matching versions for query ">v1.5.3"'
go list -m -e -f '{{.Error.Err}}' rsc.io/quote@>v1.5.3
stdout 'no matching versions for query ">v1.5.3"'
diff --git a/src/cmd/go/testdata/script/mod_query_empty.txt b/src/cmd/go/testdata/script/mod_query_empty.txt
index f8b6e3e97e..af0871173e 100644
--- a/src/cmd/go/testdata/script/mod_query_empty.txt
+++ b/src/cmd/go/testdata/script/mod_query_empty.txt
@@ -8,7 +8,7 @@ go mod download example.com/join@v1.1.0
env GOPROXY=file:///$WORK/badproxy
cp go.mod.orig go.mod
! go get -d example.com/join/subpkg
-stderr 'go get: example.com/join/subpkg@v0.0.0-20190624000000-123456abcdef: .*'
+stderr 'go: example.com/join/subpkg@v0.0.0-20190624000000-123456abcdef: .*'
# If @v/list is empty, the 'go' command should still try to resolve
# other module paths.
@@ -40,7 +40,7 @@ env GOPROXY=file:///$WORK/gatekeeper
chmod 0000 $WORK/gatekeeper/example.com/join/subpkg/@latest
cp go.mod.orig go.mod
! go get -d example.com/join/subpkg
-stderr 'go get: module example.com/join/subpkg: (invalid response from proxy ".+": invalid character .+|reading file://.*/gatekeeper/example.com/join/subpkg/@latest: .+)'
+stderr 'go: module example.com/join/subpkg: (invalid response from proxy ".+": invalid character .+|reading file://.*/gatekeeper/example.com/join/subpkg/@latest: .+)'
-- go.mod.orig --
module example.com/othermodule
diff --git a/src/cmd/go/testdata/script/mod_query_exclude.txt b/src/cmd/go/testdata/script/mod_query_exclude.txt
index b001969411..8eae42dec6 100644
--- a/src/cmd/go/testdata/script/mod_query_exclude.txt
+++ b/src/cmd/go/testdata/script/mod_query_exclude.txt
@@ -19,7 +19,7 @@ stdout '^rsc.io/quote v1.5.1$'
# get excluded version
cp go.exclude.mod go.exclude.mod.orig
! go get -modfile=go.exclude.mod -d rsc.io/quote@v1.5.0
-stderr '^go get: rsc.io/quote@v1.5.0: excluded by go.mod$'
+stderr '^go: rsc.io/quote@v1.5.0: excluded by go.mod$'
# get non-excluded version
cp go.exclude.mod.orig go.exclude.mod
diff --git a/src/cmd/go/testdata/script/mod_query_main.txt b/src/cmd/go/testdata/script/mod_query_main.txt
index 39e5841a9c..2a2fa42318 100644
--- a/src/cmd/go/testdata/script/mod_query_main.txt
+++ b/src/cmd/go/testdata/script/mod_query_main.txt
@@ -6,9 +6,9 @@ go mod download rsc.io/quote@latest
# 'go mod download' will not download @upgrade or @patch, since they always
# resolve to the main module.
go mod download rsc.io/quote@upgrade
-stderr '^go mod download: skipping argument rsc.io/quote@upgrade that resolves to the main module$'
+stderr '^go: skipping download of rsc.io/quote@upgrade that resolves to the main module$'
go mod download rsc.io/quote@patch
-stderr '^go mod download: skipping argument rsc.io/quote@patch that resolves to the main module$'
+stderr '^go: skipping download of rsc.io/quote@patch that resolves to the main module$'
# 'go list -m' can show a version of the main module.
go list -m rsc.io/quote@5d9f230b
@@ -31,11 +31,11 @@ stdout '^rsc.io/quote$'
# 'go get' will not attempt to upgrade the main module to any specific version.
# See also: mod_get_main.txt.
! go get rsc.io/quote@5d9f230b
-stderr '^go get: can''t request version "5d9f230b" of the main module \(rsc.io/quote\)$'
+stderr '^go: can''t request version "5d9f230b" of the main module \(rsc.io/quote\)$'
! go get rsc.io/quote@v1.5.2
-stderr '^go get: can''t request version "v1.5.2" of the main module \(rsc.io/quote\)$'
+stderr '^go: can''t request version "v1.5.2" of the main module \(rsc.io/quote\)$'
! go get rsc.io/quote@latest
-stderr '^go get: can''t request version "latest" of the main module \(rsc.io/quote\)$'
+stderr '^go: can''t request version "latest" of the main module \(rsc.io/quote\)$'
-- go.mod --
module rsc.io/quote
diff --git a/src/cmd/go/testdata/script/mod_replace_gopkgin.txt b/src/cmd/go/testdata/script/mod_replace_gopkgin.txt
index d24f37b788..df752d9716 100644
--- a/src/cmd/go/testdata/script/mod_replace_gopkgin.txt
+++ b/src/cmd/go/testdata/script/mod_replace_gopkgin.txt
@@ -35,7 +35,7 @@ go list -m gopkg.in/src-d/go-git.v4
# A mismatched gopkg.in path should not be able to replace a different major version.
cd ../3-to-gomod-4
! go list -m gopkg.in/src-d/go-git.v3
-stderr '^go list -m: gopkg\.in/src-d/go-git\.v3@v3\.2\.0 \(replaced by gopkg\.in/src-d/go-git\.v3@v3\.0\.0-20190801152248-0d1a009cbb60\): version "v3\.0\.0-20190801152248-0d1a009cbb60" invalid: go\.mod has non-\.\.\.\.v3 module path "gopkg\.in/src-d/go-git\.v4" at revision 0d1a009cbb60$'
+stderr '^go: gopkg\.in/src-d/go-git\.v3@v3\.2\.0 \(replaced by gopkg\.in/src-d/go-git\.v3@v3\.0\.0-20190801152248-0d1a009cbb60\): version "v3\.0\.0-20190801152248-0d1a009cbb60" invalid: go\.mod has non-\.\.\.\.v3 module path "gopkg\.in/src-d/go-git\.v4" at revision 0d1a009cbb60$'
-- 4-to-4/go.mod --
module golang.org/issue/34254
diff --git a/src/cmd/go/testdata/script/mod_retract_fix_version.txt b/src/cmd/go/testdata/script/mod_retract_fix_version.txt
index e45758b627..9ae49f53ab 100644
--- a/src/cmd/go/testdata/script/mod_retract_fix_version.txt
+++ b/src/cmd/go/testdata/script/mod_retract_fix_version.txt
@@ -15,7 +15,7 @@ cmp go.mod go.mod.want
# If a retracted version doesn't match the module's major version suffx,
# an error should be reported.
! go mod edit -retract=v3.0.1
-stderr '^go mod: -retract=v3.0.1: version "v3.0.1" invalid: should be v2, not v3$'
+stderr '^go: -retract=v3.0.1: version "v3.0.1" invalid: should be v2, not v3$'
cp go.mod.mismatch-v2 go.mod
! go list -m all
stderr 'go.mod:3: retract rsc.io/quote/v2: version "v3.0.1" invalid: should be v2, not v3$'
diff --git a/src/cmd/go/testdata/script/mod_retract_pseudo_base.txt b/src/cmd/go/testdata/script/mod_retract_pseudo_base.txt
index eb00e8405c..d1a5e1236a 100644
--- a/src/cmd/go/testdata/script/mod_retract_pseudo_base.txt
+++ b/src/cmd/go/testdata/script/mod_retract_pseudo_base.txt
@@ -29,7 +29,7 @@ go list -m vcs-test.golang.org/git/retract-pseudo.git
stdout '^vcs-test.golang.org/git/retract-pseudo.git v1.0.1-0.20201009173747-713affd19d7b$'
! go get -d vcs-test.golang.org/git/retract-pseudo.git@v1.0.1-0.20201009173747-64c061ed4371
-stderr '^go get: vcs-test.golang.org/git/retract-pseudo.git@v1.0.1-0.20201009173747-64c061ed4371: invalid pseudo-version: tag \(v1.0.0\) found on revision 64c061ed4371 is already canonical, so should not be replaced with a pseudo-version derived from that tag$'
+stderr '^go: vcs-test.golang.org/git/retract-pseudo.git@v1.0.1-0.20201009173747-64c061ed4371: invalid pseudo-version: tag \(v1.0.0\) found on revision 64c061ed4371 is already canonical, so should not be replaced with a pseudo-version derived from that tag$'
-- retract-pseudo.sh --
#!/bin/bash
diff --git a/src/cmd/go/testdata/script/mod_run_nonmain.txt b/src/cmd/go/testdata/script/mod_run_nonmain.txt
index 036755d2d1..8435fc05b4 100644
--- a/src/cmd/go/testdata/script/mod_run_nonmain.txt
+++ b/src/cmd/go/testdata/script/mod_run_nonmain.txt
@@ -7,7 +7,7 @@ stderr '^package example.net/nonmain is not a main package$'
! go run ./...
stderr '^go: warning: "\./\.\.\." matched only non-main packages$'
-stderr '^go run: no packages loaded from \./\.\.\.$'
+stderr '^go: no packages loaded from \./\.\.\.$'
-- go.mod --
module example.net/nonmain
diff --git a/src/cmd/go/testdata/script/mod_run_pkg_version.txt b/src/cmd/go/testdata/script/mod_run_pkg_version.txt
index e921fab508..c3a218d553 100644
--- a/src/cmd/go/testdata/script/mod_run_pkg_version.txt
+++ b/src/cmd/go/testdata/script/mod_run_pkg_version.txt
@@ -21,7 +21,7 @@ env GO111MODULE=on
cd m
cp go.mod go.mod.orig
! go list -m all
-stderr '^go list -m: example.com/cmd@v1.1.0-doesnotexist: missing go.sum entry; to add it:\n\tgo mod download example.com/cmd$'
+stderr '^go: example.com/cmd@v1.1.0-doesnotexist: missing go.sum entry; to add it:\n\tgo mod download example.com/cmd$'
go run example.com/cmd/a@v1.0.0
stdout '^a@v1.0.0$'
cmp go.mod go.mod.orig
@@ -92,12 +92,12 @@ package main
func main() {}
-- replace-err --
-go run: example.com/cmd/a@v1.0.0-replace (in example.com/cmd@v1.0.0-replace):
+go: example.com/cmd/a@v1.0.0-replace (in example.com/cmd@v1.0.0-replace):
The go.mod file for the module providing named packages contains one or
more replace directives. It must not contain directives that would cause
it to be interpreted differently than if it were the main module.
-- exclude-err --
-go run: example.com/cmd/a@v1.0.0-exclude (in example.com/cmd@v1.0.0-exclude):
+go: example.com/cmd/a@v1.0.0-exclude (in example.com/cmd@v1.0.0-exclude):
The go.mod file for the module providing named packages contains one or
more exclude directives. It must not contain directives that would cause
it to be interpreted differently than if it were the main module.
diff --git a/src/cmd/go/testdata/script/mod_sum_readonly.txt b/src/cmd/go/testdata/script/mod_sum_readonly.txt
index 113f13ea39..57c5bbeefd 100644
--- a/src/cmd/go/testdata/script/mod_sum_readonly.txt
+++ b/src/cmd/go/testdata/script/mod_sum_readonly.txt
@@ -4,7 +4,7 @@ env GO111MODULE=on
# When a sum is needed to load the build list, we get an error for the
# specific module. The .mod file is not downloaded, and go.sum is not written.
! go list -m all
-stderr '^go list -m: rsc.io/quote@v1.5.2: missing go.sum entry; to add it:\n\tgo mod download rsc.io/quote$'
+stderr '^go: rsc.io/quote@v1.5.2: missing go.sum entry; to add it:\n\tgo mod download rsc.io/quote$'
! exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.mod
! exists go.sum
@@ -12,7 +12,7 @@ stderr '^go list -m: rsc.io/quote@v1.5.2: missing go.sum entry; to add it:\n\tgo
# we should see the same error.
cp go.sum.h2only go.sum
! go list -m all
-stderr '^go list -m: rsc.io/quote@v1.5.2: missing go.sum entry; to add it:\n\tgo mod download rsc.io/quote$'
+stderr '^go: rsc.io/quote@v1.5.2: missing go.sum entry; to add it:\n\tgo mod download rsc.io/quote$'
! exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.2.mod
cmp go.sum go.sum.h2only
rm go.sum
@@ -21,7 +21,7 @@ rm go.sum
cp go.mod go.mod.orig
go mod edit -replace rsc.io/quote@v1.5.2=rsc.io/quote@v1.5.1
! go list -m all
-stderr '^go list -m: rsc.io/quote@v1.5.2 \(replaced by rsc.io/quote@v1.5.1\): missing go.sum entry; to add it:\n\tgo mod download rsc.io/quote$'
+stderr '^go: rsc.io/quote@v1.5.2 \(replaced by rsc.io/quote@v1.5.1\): missing go.sum entry; to add it:\n\tgo mod download rsc.io/quote$'
! exists $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/v1.5.1.mod
! exists go.sum
cp go.mod.orig go.mod
diff --git a/src/cmd/go/testdata/script/mod_sumdb.txt b/src/cmd/go/testdata/script/mod_sumdb.txt
index fa3483c5cb..dd791be1d4 100644
--- a/src/cmd/go/testdata/script/mod_sumdb.txt
+++ b/src/cmd/go/testdata/script/mod_sumdb.txt
@@ -9,7 +9,7 @@ env dbname=localhost.localdev/sumdb
cp go.mod.orig go.mod
env GOSUMDB=$sumdb' '$proxy/sumdb-wrong
! go get -d rsc.io/quote
-stderr 'go get: rsc.io/quote@v1.5.2: verifying module: checksum mismatch'
+stderr 'go: rsc.io/quote@v1.5.2: verifying module: checksum mismatch'
stderr 'downloaded: h1:3fEy'
stderr 'localhost.localdev/sumdb: h1:wrong'
stderr 'SECURITY ERROR\nThis download does NOT match the one reported by the checksum server.'
diff --git a/src/cmd/go/testdata/script/mod_sumdb_file_path.txt b/src/cmd/go/testdata/script/mod_sumdb_file_path.txt
index 22fcbf3de8..575c7c4817 100644
--- a/src/cmd/go/testdata/script/mod_sumdb_file_path.txt
+++ b/src/cmd/go/testdata/script/mod_sumdb_file_path.txt
@@ -13,7 +13,7 @@ env GOPATH=$WORK/gopath1
[windows] env GOPROXY=file:///$WORK/sumproxy,https://proxy.golang.org
[!windows] env GOPROXY=file://$WORK/sumproxy,https://proxy.golang.org
! go get -d golang.org/x/text@v0.3.2
-stderr '^go get: golang.org/x/text@v0.3.2: verifying module: golang.org/x/text@v0.3.2: reading file://.*/sumdb/sum.golang.org/lookup/golang.org/x/text@v0.3.2: (no such file or directory|.*cannot find the path specified.*)'
+stderr '^go: golang.org/x/text@v0.3.2: verifying module: golang.org/x/text@v0.3.2: reading file://.*/sumdb/sum.golang.org/lookup/golang.org/x/text@v0.3.2: (no such file or directory|.*cannot find the path specified.*)'
# If the proxy does not claim to support the database,
# checksum verification should fall through to the next proxy,
diff --git a/src/cmd/go/testdata/script/mod_tidy_compat.txt b/src/cmd/go/testdata/script/mod_tidy_compat.txt
index 29cae17881..18b297da60 100644
--- a/src/cmd/go/testdata/script/mod_tidy_compat.txt
+++ b/src/cmd/go/testdata/script/mod_tidy_compat.txt
@@ -50,7 +50,7 @@ cmp stdout m_all.txt
go mod edit -go=1.16
! go list -m all
-stderr '^go list -m: example.net/lazy@v0.1.0 requires\n\texample.com/version@v1.0.1: missing go.sum entry; to add it:\n\tgo mod download example.com/version$'
+stderr '^go: example.net/lazy@v0.1.0 requires\n\texample.com/version@v1.0.1: missing go.sum entry; to add it:\n\tgo mod download example.com/version$'
-- go.mod --
diff --git a/src/cmd/go/testdata/script/mod_tidy_compat_ambiguous.txt b/src/cmd/go/testdata/script/mod_tidy_compat_ambiguous.txt
index c544cb7413..44bc58cc6c 100644
--- a/src/cmd/go/testdata/script/mod_tidy_compat_ambiguous.txt
+++ b/src/cmd/go/testdata/script/mod_tidy_compat_ambiguous.txt
@@ -62,7 +62,7 @@ cmp stdout all-m.txt
go mod edit -go=1.16
! go list -m all
-stderr '^go list -m: example\.net/indirect@v0\.1\.0 requires\n\texample\.net/ambiguous@v0\.1\.0: missing go\.sum entry; to add it:\n\tgo mod download example\.net/ambiguous\n'
+stderr '^go: example\.net/indirect@v0\.1\.0 requires\n\texample\.net/ambiguous@v0\.1\.0: missing go\.sum entry; to add it:\n\tgo mod download example\.net/ambiguous\n'
-- go.mod --
diff --git a/src/cmd/go/testdata/script/mod_tidy_too_new.txt b/src/cmd/go/testdata/script/mod_tidy_too_new.txt
index b9c53b510d..8c34a997c9 100644
--- a/src/cmd/go/testdata/script/mod_tidy_too_new.txt
+++ b/src/cmd/go/testdata/script/mod_tidy_too_new.txt
@@ -9,7 +9,7 @@ cp go.mod go.mod.orig
# would look like.
! go mod tidy
-stderr 'go mod tidy: go.mod file indicates go 2000.0, but maximum supported version is '$goversion'$'
+stderr 'go: go.mod file indicates go 2000.0, but maximum version supported by tidy is '$goversion'$'
cmp go.mod go.mod.orig
@@ -18,7 +18,7 @@ cmp go.mod go.mod.orig
cp go.mod.orig go.mod
go mod tidy -e
-stderr 'go mod tidy: go.mod file indicates go 2000.0, but maximum supported version is '$goversion'$'
+stderr 'go: go.mod file indicates go 2000.0, but maximum version supported by tidy is '$goversion'$'
cmp go.mod go.mod.tidy
diff --git a/src/cmd/go/testdata/script/mod_upgrade_patch.txt b/src/cmd/go/testdata/script/mod_upgrade_patch.txt
index 8b34f8bf27..b8c178c75e 100644
--- a/src/cmd/go/testdata/script/mod_upgrade_patch.txt
+++ b/src/cmd/go/testdata/script/mod_upgrade_patch.txt
@@ -11,7 +11,7 @@ stdout '^patch.example.com/indirect v1.0.0'
# @patch should be rejected for modules not already in the build list.
! go get -d patch.example.com/depofdirectpatch@patch
-stderr '^go get: can''t query version "patch" of module patch.example.com/depofdirectpatch: no existing version is required$'
+stderr '^go: can''t query version "patch" of module patch.example.com/depofdirectpatch: no existing version is required$'
cmp go.mod.orig go.mod
# get -u=patch, with no arguments, should patch-update all dependencies
@@ -38,7 +38,7 @@ cp go.mod.orig go.mod
go mod edit -droprequire=patch.example.com/direct
cp go.mod go.mod.dropped
! go get -d all@patch
-stderr '^go get all@patch: can''t query version "patch" of module patch.example.com/direct: no existing version is required$'
+stderr '^go: all@patch: can''t query version "patch" of module patch.example.com/direct: no existing version is required$'
cmp go.mod.dropped go.mod
# Requesting the direct dependency with -u=patch but without an explicit version
@@ -86,7 +86,7 @@ stdout '^patch.example.com/indirect v1.0.1'
# Standard library packages cannot be upgraded explicitly.
cp go.mod.orig go.mod
! go get cmd/vet@patch
-stderr 'go get: can''t request explicit version "patch" of standard library package cmd/vet$'
+stderr 'go: can''t request explicit version "patch" of standard library package cmd/vet$'
# However, standard-library packages without explicit versions are fine.
go get -d -u=patch -d cmd/go
diff --git a/src/cmd/go/testdata/script/mod_vendor.txt b/src/cmd/go/testdata/script/mod_vendor.txt
index 2622916f61..4eb80c2332 100644
--- a/src/cmd/go/testdata/script/mod_vendor.txt
+++ b/src/cmd/go/testdata/script/mod_vendor.txt
@@ -40,15 +40,15 @@ stdout '^v1.0.0 $'
# -mod=vendor should cause 'go list' flags that look up versions to fail.
! go list -mod=vendor -versions -m x
-stderr '^go list -m: can''t determine available versions using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)$'
+stderr '^go: can''t determine available versions using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)$'
! go list -mod=vendor -u -m x
-stderr '^go list -m: can''t determine available upgrades using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)$'
+stderr '^go: can''t determine available upgrades using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)$'
# 'go list -mod=vendor -m' on a transitive dependency that does not
# provide vendored packages should give a helpful error rather than
# 'not a known dependency'.
! go list -mod=vendor -f '{{.Version}} {{.Dir}}' -m diamondright
-stderr 'go list -m: module diamondright: can''t resolve module using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'
+stderr 'go: module diamondright: can''t resolve module using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'
# 'go list -mod=mod' should report packages outside the import graph,
# but 'go list -mod=vendor' should error out for them.
diff --git a/src/cmd/go/testdata/script/mod_vendor_auto.txt b/src/cmd/go/testdata/script/mod_vendor_auto.txt
index b0ea907206..96db5c1600 100644
--- a/src/cmd/go/testdata/script/mod_vendor_auto.txt
+++ b/src/cmd/go/testdata/script/mod_vendor_auto.txt
@@ -17,10 +17,10 @@ stdout '^'$WORK'[/\\]auto[/\\]vendor[/\\]example.com[/\\]printversion$'
stdout '^'$WORK'[/\\]auto[/\\]vendor[/\\]example.com[/\\]version$'
! go list -m all
-stderr 'go list -m: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'
+stderr 'go: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'
! go list -m -f '{{.Dir}}' all
-stderr 'go list -m: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'
+stderr 'go: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'
# An explicit -mod=mod should force the vendor directory to be ignored.
env GOFLAGS=-mod=mod
@@ -105,10 +105,10 @@ stdout '^'$WORK'[/\\]auto[/\\]vendor[/\\]example.com[/\\]version$'
# ...but 'go list -m' should continue to fail, this time without
# referring to a -mod default that the user didn't set.
! go list -m all
-stderr 'go list -m: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'
+stderr 'go: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'
! go list -m -f '{{.Dir}}' all
-stderr 'go list -m: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'
+stderr 'go: can''t compute ''all'' using the vendor directory\n\t\(Use -mod=mod or -mod=readonly to bypass.\)'
# 'go mod init' should work if there is already a GOPATH-mode vendor directory
diff --git a/src/cmd/go/testdata/script/mod_vendor_embed.txt b/src/cmd/go/testdata/script/mod_vendor_embed.txt
index be114159a1..b14fd99156 100644
--- a/src/cmd/go/testdata/script/mod_vendor_embed.txt
+++ b/src/cmd/go/testdata/script/mod_vendor_embed.txt
@@ -6,11 +6,11 @@ cmp vendor/example.com/a/subdir/test/xtest/embed.txt a/subdir/test/xtest/embed.t
cd broken_no_matching_files
! go mod vendor
-stderr 'go mod vendor: pattern foo.txt: no matching files found'
+stderr 'go: pattern foo.txt: no matching files found'
cd ../broken_bad_pattern
! go mod vendor
-stderr 'go mod vendor: pattern ../foo.txt: invalid pattern syntax'
+stderr 'go: pattern ../foo.txt: invalid pattern syntax'
# matchPotentialSourceFile prunes out tests and unbuilt code.
# Make sure that they are vendored if they are embedded files.
diff --git a/src/cmd/go/testdata/script/run_wildcard.txt b/src/cmd/go/testdata/script/run_wildcard.txt
index 72036d1d8d..3e7e7b7e42 100644
--- a/src/cmd/go/testdata/script/run_wildcard.txt
+++ b/src/cmd/go/testdata/script/run_wildcard.txt
@@ -4,4 +4,4 @@ env GO111MODULE=off
# go run x/... should not panic when directory x doesn't exist.
! go run nonexistent/...
-stderr '^go run: no packages loaded from nonexistent/...$'
+stderr '^go: no packages loaded from nonexistent/...$'
diff --git a/src/cmd/go/testdata/script/test_flag.txt b/src/cmd/go/testdata/script/test_flag.txt
index 0142b3f308..d168cfe6a8 100644
--- a/src/cmd/go/testdata/script/test_flag.txt
+++ b/src/cmd/go/testdata/script/test_flag.txt
@@ -9,13 +9,13 @@ go test -count=1 -custom -args -v=7
# However, it should be an error to use custom flags when -i or -c are used,
# since we know for sure that no test binary will run at all.
! go test -i -custom
-stderr '^go test: unknown flag -custom cannot be used with -i$'
+stderr '^go: unknown flag -custom cannot be used with -i$'
! go test -c -custom
-stderr '^go test: unknown flag -custom cannot be used with -c$'
+stderr '^go: unknown flag -custom cannot be used with -c$'
# The same should apply even if -c or -i come after a custom flag.
! go test -custom -c
-stderr '^go test: unknown flag -custom cannot be used with -c$'
+stderr '^go: unknown flag -custom cannot be used with -c$'
-- go.mod --
module m
diff --git a/src/cmd/go/testdata/script/test_race_install.txt b/src/cmd/go/testdata/script/test_race_install.txt
index 8b1f343a32..a1d47a7dd3 100644
--- a/src/cmd/go/testdata/script/test_race_install.txt
+++ b/src/cmd/go/testdata/script/test_race_install.txt
@@ -15,4 +15,4 @@ go 1.16
-- pkg/pkg.go --
package p
-- stderr.txt --
-go test: -i flag is deprecated
+go: -i flag is deprecated