$ git clone -n https://src.fedoraproject.org/rpms/ghc-transformers-compat.git /var/lib/mock/f31-build-101346-33382/root/chroot_tmpdir/scmroot/ghc-transformers-compat
Cloning into '/var/lib/mock/f31-build-101346-33382/root/chroot_tmpdir/scmroot/ghc-transformers-compat'...
$ git reset --hard b2ecbb2675805daf46d1e8f32c96c658cff992cc
HEAD is now at b2ecbb2 BR prof for lib and static for executable