$ git clone -n https://src.fedoraproject.org/rpms/falkon.git /var/lib/mock/f40-build-2193572-51481/root/chroot_tmpdir/scmroot/falkon
Cloning into '/var/lib/mock/f40-build-2193572-51481/root/chroot_tmpdir/scmroot/falkon'...
$ git fetch origin b67fdad3ab73c3b88bc365153f91ce7ae9fe8137:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/falkon
 * [new ref]         b67fdad3ab73c3b88bc365153f91ce7ae9fe8137 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b67fdad 24.01.85