$ git clone -n https://src.fedoraproject.org/rpms/fractal.git /var/lib/mock/f40-build-2198853-51712/root/chroot_tmpdir/scmroot/fractal
Cloning into '/var/lib/mock/f40-build-2198853-51712/root/chroot_tmpdir/scmroot/fractal'...
$ git fetch origin 0ba123eb1cc46be8a70c9bfef288a12558979ec4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fractal
 * [new ref]         0ba123eb1cc46be8a70c9bfef288a12558979ec4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ba123e Update statically linked rust library licenses