$ git clone -n https://src.fedoraproject.org/rpms/kolf.git /var/lib/mock/f39-build-1857372-42437/root/chroot_tmpdir/scmroot/kolf
Cloning into '/var/lib/mock/f39-build-1857372-42437/root/chroot_tmpdir/scmroot/kolf'...
$ git fetch origin 1a1962c98d5e1ecc0b4ff61dff610b9b2ef75232:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kolf
 * [new ref]         1a1962c98d5e1ecc0b4ff61dff610b9b2ef75232 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a1962c 23.08.3