jobd/gc.sh: safely unset gitweb.lastgc
commit7497e3829075ed202b1cae02d57b2f5a67536d34
authorKyle J. McKay <mackyle@gmail.com>
Mon, 29 Jun 2020 23:38:50 +0000 (29 16:38 -0700)
committerKyle J. McKay <mackyle@gmail.com>
Mon, 29 Jun 2020 23:38:50 +0000 (29 16:38 -0700)
treedcf37f5c4ae30fc76c374f6625e86f95da8cbdff
parentc4c4aed9b794b4c98d013d60634209237dc5718a
jobd/gc.sh: safely unset gitweb.lastgc

The `git config --unset <whatever>` command fails with a non-zero
exit code if <whatever> is not actually set.

Ignore the return code as we don't care if it's already unset.

Signed-off-by: Kyle J. McKay <mackyle@gmail.com>
jobd/gc.sh