$ git clone -n https://src.fedoraproject.org/rpms/gxmms2.git /var/lib/mock/f39-build-1565661-37581/root/chroot_tmpdir/scmroot/gxmms2
Cloning into '/var/lib/mock/f39-build-1565661-37581/root/chroot_tmpdir/scmroot/gxmms2'...
$ git fetch origin d0c74fe5ee80f81550eb805551c2b2170465e330:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gxmms2
 * [new ref]         d0c74fe5ee80f81550eb805551c2b2170465e330 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0c74fe Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild