$ git clone -n https://src.fedoraproject.org/rpms/git-time-metric.git /var/lib/mock/f39-build-1507996-35327/root/chroot_tmpdir/scmroot/git-time-metric
Cloning into '/var/lib/mock/f39-build-1507996-35327/root/chroot_tmpdir/scmroot/git-time-metric'...
$ git fetch origin fdfbefc5af4b708381abf4490bab3eb29fc0e5d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/git-time-metric
 * [new ref]         fdfbefc5af4b708381abf4490bab3eb29fc0e5d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fdfbefc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild