cmd/go: propagate match errors in 'go run'

Fixes #51604.

Change-Id: I3bc86652c62d2b329d9c2db5ea443d56cf17f8d1
Reviewed-on: https://go-review.googlesource.com/c/go/+/418094
Reviewed-by: Nooras Saba‎ <saba@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Run-TryBot: Bryan Mills <bcmills@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/cmd/go/internal/modload/load.go b/src/cmd/go/internal/modload/load.go
index ba85dc2438..a36ac9c5bb 100644
--- a/src/cmd/go/internal/modload/load.go
+++ b/src/cmd/go/internal/modload/load.go
@@ -607,7 +607,7 @@ func resolveLocalPackage(ctx context.Context, dir string, rs *Requirements) (str
 	if pkg == "" {
 		if inWorkspaceMode() {
 			if mr := findModuleRoot(absDir); mr != "" {
-				return "", fmt.Errorf("directory %s is contained in a module that is not one of the workspace modules listed in go.work. You can add the module to the workspace using go work use %s", base.ShortPath(absDir), base.ShortPath(mr))
+				return "", fmt.Errorf("directory %s is contained in a module that is not one of the workspace modules listed in go.work. You can add the module to the workspace using:\n\tgo work use %s", base.ShortPath(absDir), base.ShortPath(mr))
 			}
 			return "", fmt.Errorf("directory %s outside modules listed in go.work or their selected dependencies", base.ShortPath(absDir))
 		}