$ git clone -n https://src.fedoraproject.org/rpms/python-dcrpm.git /var/lib/mock/f39-build-1634383-39818/root/chroot_tmpdir/scmroot/python-dcrpm
Cloning into '/var/lib/mock/f39-build-1634383-39818/root/chroot_tmpdir/scmroot/python-dcrpm'...
$ git fetch origin b0ffec3982b98c00ff240f2f28a3cecee3992910:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-dcrpm
 * [new ref]         b0ffec3982b98c00ff240f2f28a3cecee3992910 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0ffec3 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild