tree fc86cb5ee402c6478d5cbfd0f6877ddae48f78a3
parent 93d00f7feb053005d39117fea78291145111eb9d
author Brad Fitzpatrick <bradfitz@golang.org> 1557546956 +0000
committer Brad Fitzpatrick <bradfitz@golang.org> 1557768696 +0000

cmd/{gitmirror,pubsubhelper,gitlock}: use go modules, delete gitlock

This removes the last two gitlock users, so this also deletes gitlock.

And update to multi-stage Dockerfiles, simplifying the build and
making it more consistent with others.

Updates golang/go#26872

Change-Id: I1e38c65eccfe9b8b7cb2d9acd6eb02aa33f8b877
Reviewed-on: https://go-review.googlesource.com/c/build/+/176604
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Andrew Bonventre <andybons@golang.org>