$ git clone -n https://src.fedoraproject.org/rpms/flatseal.git /var/lib/mock/f40-build-2055078-49105/root/chroot_tmpdir/scmroot/flatseal
Cloning into '/var/lib/mock/f40-build-2055078-49105/root/chroot_tmpdir/scmroot/flatseal'...
$ git fetch origin aabcabef22ade0e13769bd19ff2ed8d9f4961416:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flatseal
 * [new ref]         aabcabef22ade0e13769bd19ff2ed8d9f4961416 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aabcabe Fix errors with AppStream 1.0