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cmd/go/internal/modfetch: document DownloadDir

Change-Id: I4717964234fca0c8c5889ed710b66f39eb53a809
Reviewed-on: https://go-review.googlesource.com/c/151562
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
This commit is contained in:
Bryan C. Mills 2018-11-08 10:23:53 -05:00
parent 20950dba26
commit c37b6ecc8a

View File

@ -56,6 +56,8 @@ func CachePath(m module.Version, suffix string) (string, error) {
return filepath.Join(dir, encVer+"."+suffix), nil
}
// DownloadDir returns the directory to which m should be downloaded.
// Note that the directory may not yet exist.
func DownloadDir(m module.Version) (string, error) {
if PkgMod == "" {
return "", fmt.Errorf("internal error: modfetch.PkgMod not set")