$ git clone -n https://src.fedoraproject.org/rpms/ghc-monad-loops.git /var/lib/mock/f40-build-743559-111265/root/chroot_tmpdir/scmroot/ghc-monad-loops
Cloning into '/var/lib/mock/f40-build-743559-111265/root/chroot_tmpdir/scmroot/ghc-monad-loops'...
$ git fetch origin 65e8774b492c055e0be7ab8951de34c5427405ec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-monad-loops
 * [new ref]         65e8774b492c055e0be7ab8951de34c5427405ec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 65e8774 bump release