git_get_last_activity: support empty $lastactivity_file
commite93d8f1c75670c7274f70ed880d591111e763fdc
authorKyle J. McKay <mackyle@gmail.com>
Thu, 23 Apr 2015 05:51:04 +0000 (22 22:51 -0700)
committerKyle J. McKay <mackyle@gmail.com>
Thu, 23 Apr 2015 05:51:04 +0000 (22 22:51 -0700)
treed0f3332b2b7e636c8abd1a180b13bbac2eecd696
parent32151cf7e2beac198f4aaced003a7172654f6a22
git_get_last_activity: support empty $lastactivity_file

If a zero-length $lastactivity_file exists, treat that
the same as meaning no commits and avoid running for-each-ref.

Signed-off-by: Kyle J. McKay <mackyle@gmail.com>
gitweb/gitweb.perl