$ git clone -n https://src.fedoraproject.org/rpms/kgpg.git /var/lib/mock/f38-build-side-42-init-devel-677287-26692/root/chroot_tmpdir/scmroot/kgpg
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-677287-26692/root/chroot_tmpdir/scmroot/kgpg'...
$ git fetch origin 5b22d77f2e4c02fcff08dedb53cfb05d594fc9a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kgpg
 * [new ref]         5b22d77f2e4c02fcff08dedb53cfb05d594fc9a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b22d77 feat: 22.12.3