$ git clone -n https://src.fedoraproject.org/rpms/libratbag.git /var/lib/mock/f40-build-2254119-54223/root/chroot_tmpdir/scmroot/libratbag
Cloning into '/var/lib/mock/f40-build-2254119-54223/root/chroot_tmpdir/scmroot/libratbag'...
$ git fetch origin 1272f06abfffe3580aedb2df42d38b88cadbcd4b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libratbag
 * [new ref]         1272f06abfffe3580aedb2df42d38b88cadbcd4b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1272f06 SPDX migration: license is MIT, we're good