$ git clone -n https://src.fedoraproject.org/rpms/globus-gsi-credential.git /var/lib/mock/f40-build-1998814-44271/root/chroot_tmpdir/scmroot/globus-gsi-credential
Cloning into '/var/lib/mock/f40-build-1998814-44271/root/chroot_tmpdir/scmroot/globus-gsi-credential'...
$ git fetch origin b662a0b44a4d45758ca75877fbfe51aabd833ee9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/globus-gsi-credential
 * [new ref]         b662a0b44a4d45758ca75877fbfe51aabd833ee9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b662a0b Fix handling of certificate expire dates after 2050