$ git clone -n https://src.fedoraproject.org/rpms/moby-engine.git /var/lib/mock/f41-build-850092-165127/root/chroot_tmpdir/scmroot/moby-engine
Cloning into '/var/lib/mock/f41-build-850092-165127/root/chroot_tmpdir/scmroot/moby-engine'...
$ git fetch origin e0d25aad0d0eb0dad8679c1c20c4a8491e78bda5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/moby-engine
 * [new ref]         e0d25aad0d0eb0dad8679c1c20c4a8491e78bda5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0d25aa Update to v27.2.0