$ git clone -n https://src.fedoraproject.org/rpms/python-backlash.git /var/lib/mock/f39-build-1557249-37263/root/chroot_tmpdir/scmroot/python-backlash
Cloning into '/var/lib/mock/f39-build-1557249-37263/root/chroot_tmpdir/scmroot/python-backlash'...
$ git fetch origin 3790cdcf5977cf8da5e54cfbc33f4234f4f57305:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-backlash
 * [new ref]         3790cdcf5977cf8da5e54cfbc33f4234f4f57305 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3790cdc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild