$ git clone -n https://src.fedoraproject.org/rpms/qucs.git /var/lib/mock/f39-build-1583177-38125/root/chroot_tmpdir/scmroot/qucs
Cloning into '/var/lib/mock/f39-build-1583177-38125/root/chroot_tmpdir/scmroot/qucs'...
$ git fetch origin 13ce8853b06e5f33c98515569e012b66eb9d5c0d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qucs
 * [new ref]         13ce8853b06e5f33c98515569e012b66eb9d5c0d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13ce885 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild