$ git clone -n https://src.fedoraproject.org/rpms/golang-github-prometheus.git /var/lib/mock/f39-build-1927201-43053/root/chroot_tmpdir/scmroot/golang-github-prometheus
Cloning into '/var/lib/mock/f39-build-1927201-43053/root/chroot_tmpdir/scmroot/golang-github-prometheus'...
$ git fetch origin 498da0db0a1e7ad54e12e720e874128a4d27aec2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-prometheus
 * [new ref]         498da0db0a1e7ad54e12e720e874128a4d27aec2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 498da0d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild