$ git clone -n https://src.fedoraproject.org/rpms/patat.git /var/lib/mock/f41-build-834360-158259/root/chroot_tmpdir/scmroot/patat
Cloning into '/var/lib/mock/f41-build-834360-158259/root/chroot_tmpdir/scmroot/patat'...
$ git fetch origin 23fb6af4db571cbd8952df42aab2a47c5d72859f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/patat
 * [new ref]         23fb6af4db571cbd8952df42aab2a47c5d72859f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23fb6af https://hackage.haskell.org/package/patat-0.12.0.0/changelog