$ git clone -n https://src.fedoraproject.org/rpms/kolf.git /var/lib/mock/f40-build-2227505-53026/root/chroot_tmpdir/scmroot/kolf
Cloning into '/var/lib/mock/f40-build-2227505-53026/root/chroot_tmpdir/scmroot/kolf'...
$ git fetch origin 2f64541c434e9cf85313432a2957531e8f3972d6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kolf
 * [new ref]         2f64541c434e9cf85313432a2957531e8f3972d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f64541 24.01.85