$ git clone -n https://src.fedoraproject.org/rpms/kdegraphics-thumbnailers.git /var/lib/mock/f40-build-1348822-23554/root/chroot_tmpdir/scmroot/kdegraphics-thumbnailers
Cloning into '/var/lib/mock/f40-build-1348822-23554/root/chroot_tmpdir/scmroot/kdegraphics-thumbnailers'...
$ git fetch origin d440631e2b6c08cac9b9a1a97d9c530eec0e6b43:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdegraphics-thumbnailers
 * [new ref]         d440631e2b6c08cac9b9a1a97d9c530eec0e6b43 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d440631 24.05.0