$ git clone -n https://src.fedoraproject.org/rpms/flatseal.git /var/lib/mock/f39-build-2186935-51377/root/chroot_tmpdir/scmroot/flatseal
Cloning into '/var/lib/mock/f39-build-2186935-51377/root/chroot_tmpdir/scmroot/flatseal'...
$ git fetch origin 48c2a9ff2d3f20fee2c14b70a3974366032632cc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flatseal
 * [new ref]         48c2a9ff2d3f20fee2c14b70a3974366032632cc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48c2a9f Add explicit gjs dependency