$ git clone -n https://src.fedoraproject.org/rpms/kgpg.git /var/lib/mock/f39-build-1962923-43272/root/chroot_tmpdir/scmroot/kgpg
Cloning into '/var/lib/mock/f39-build-1962923-43272/root/chroot_tmpdir/scmroot/kgpg'...
$ git fetch origin 72b487b1eaa1cd641d6dd00cfb04f4321d6ed070:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kgpg
 * [new ref]         72b487b1eaa1cd641d6dd00cfb04f4321d6ed070 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72b487b 23.08.3