$ git clone -n https://src.fedoraproject.org/rpms/ghc-MemoTrie.git /var/lib/mock/f31-build-53931-27924/root/chroot_tmpdir/scmroot/ghc-MemoTrie
Cloning into '/var/lib/mock/f31-build-53931-27924/root/chroot_tmpdir/scmroot/ghc-MemoTrie'...
$ git reset --hard fe5b05a2ba87489ca6a44e7d7bb4f2dba6782733
HEAD is now at fe5b05a refresh to cabal-rpm-0.13