$ git clone -n https://src.fedoraproject.org/rpms/gegl04.git /var/lib/mock/f40-build-786773-134615/root/chroot_tmpdir/scmroot/gegl04
Cloning into '/var/lib/mock/f40-build-786773-134615/root/chroot_tmpdir/scmroot/gegl04'...
$ git fetch origin 7f7a32d13613598b3cc9e5f49873be12aa08e471:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gegl04
 * [new ref]         7f7a32d13613598b3cc9e5f49873be12aa08e471 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f7a32d New upstream release 0.4.48 (#2263786)