$ git clone -n https://src.fedoraproject.org/rpms/ghc-MemoTrie.git /var/lib/mock/f33-build-138806-42259/root/chroot_tmpdir/scmroot/ghc-MemoTrie
Cloning into '/var/lib/mock/f33-build-138806-42259/root/chroot_tmpdir/scmroot/ghc-MemoTrie'...
$ git reset --hard 2a904ed1a12ff6aedc87f9fe5ec1eebe8a6fdd82
HEAD is now at 2a904ed update to 0.6.10