diff options
| -rw-r--r-- | src/cmd/go/internal/modfetch/codehost/git.go | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/cmd/go/internal/modfetch/codehost/git.go b/src/cmd/go/internal/modfetch/codehost/git.go index 127ad264af..8bfbe7b652 100644 --- a/src/cmd/go/internal/modfetch/codehost/git.go +++ b/src/cmd/go/internal/modfetch/codehost/git.go @@ -16,6 +16,7 @@ import ( "os" "os/exec" "path/filepath" + "runtime" "sort" "strconv" "strings" @@ -95,6 +96,21 @@ func newGitRepo(remote string, localOK bool) (Repo, error) { os.RemoveAll(r.dir) return nil, err } + if runtime.GOOS == "windows" { + // Git for Windows by default does not support paths longer than + // MAX_PATH (260 characters) because that may interfere with navigation + // in some Windows programs. However, cmd/go should be able to handle + // long paths just fine, and we expect people to use 'go clean' to + // manipulate the module cache, so it should be harmless to set here, + // and in some cases may be necessary in order to download modules with + // long branch names. + // + // See https://github.com/git-for-windows/git/wiki/Git-cannot-create-a-file-or-directory-with-a-long-path. + if _, err := Run(r.dir, "git", "config", "core.longpaths", "true"); err != nil { + os.RemoveAll(r.dir) + return nil, err + } + } } r.remoteURL = r.remote r.remote = "origin" |