tree fc8e1d606e32f7923b887f07edec53d7e5b90326
parent 59d7cbc8188f0911bccfc494b36990a3101aede6
author Russ Cox <rsc@golang.org> 1524763285 -0400
committer Russ Cox <rsc@golang.org> 1524763654 +0000

cmd/go/internal/modfetch/gitrepo: work around old git fetch hash behavior

For the git fetch --depth=1 attempt:

1. Use a ref instead of a hash if known.
2. Check for the older "no such remote ref" error in addition to the newer "unadvertised object" error.

Fixes golang/go#25102.

Change-Id: I38e66237c94c53989729bc0adf094980aaaf9093
Reviewed-on: https://go-review.googlesource.com/109518
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>