$ git clone -n https://src.fedoraproject.org/rpms/ghc-monads-tf.git /var/lib/mock/f38-build-side-42-init-devel-930469-28746/root/chroot_tmpdir/scmroot/ghc-monads-tf
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-930469-28746/root/chroot_tmpdir/scmroot/ghc-monads-tf'...
$ git fetch origin 6d0a82b494d6f038a402575bc1cd5e63360c4b9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-monads-tf
 * [new ref]         6d0a82b494d6f038a402575bc1cd5e63360c4b9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d0a82b Convert to %autorelease and %autochangelog