$ git clone -n https://src.fedoraproject.org/rpms/kdegraphics-thumbnailers.git /var/lib/mock/f39-build-2063842-49192/root/chroot_tmpdir/scmroot/kdegraphics-thumbnailers
Cloning into '/var/lib/mock/f39-build-2063842-49192/root/chroot_tmpdir/scmroot/kdegraphics-thumbnailers'...
$ git fetch origin 1674e6a558ff1ae625fc8f08cf77d9b33b29d675:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdegraphics-thumbnailers
 * [new ref]         1674e6a558ff1ae625fc8f08cf77d9b33b29d675 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1674e6a 23.08.4