$ git clone -n https://src.fedoraproject.org/rpms/krfb.git /var/lib/mock/f38-build-716647-96173/root/chroot_tmpdir/scmroot/krfb
Cloning into '/var/lib/mock/f38-build-716647-96173/root/chroot_tmpdir/scmroot/krfb'...
$ git fetch origin d078b794c37344e696295e31d167e214a9f654df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/krfb
 * [new ref]         d078b794c37344e696295e31d167e214a9f654df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d078b79 23.04.1