tree f29efee9340d5d6558859d113e2e3ba4acb2bd7a
parent 912c91c6bd20553af1b1ddb4a51c5b6bcd6611ff
author Bryan C. Mills <bcmills@google.com> 1573156633 -0500
committer Bryan C. Mills <bcmills@google.com> 1573167511 +0000

maintner: add tracing on 'git fetch origin'

Also increase its timeout and terminate it with a friendlier signal
and add some logging of how long git operations took.

Updates golang/go#35293
Updates golang/go#35124

Change-Id: I1ed466d872a11f60751953ef5274be96cea0294b
Reviewed-on: https://go-review.googlesource.com/c/build/+/205860
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>