$ git clone -n https://src.fedoraproject.org/rpms/ghc-MemoTrie.git /var/lib/mock/f31-build-110484-34035/root/chroot_tmpdir/scmroot/ghc-MemoTrie
Cloning into '/var/lib/mock/f31-build-110484-34035/root/chroot_tmpdir/scmroot/ghc-MemoTrie'...
$ git reset --hard e7eb396ec47ce549f88170ebe7d71a0bf71a69fa
HEAD is now at e7eb396 BR prof for lib and static for executable