$ git clone -n https://src.fedoraproject.org/rpms/ghc-transformers-base.git /var/lib/mock/f31-build-117047-34599/root/chroot_tmpdir/scmroot/ghc-transformers-base
Cloning into '/var/lib/mock/f31-build-117047-34599/root/chroot_tmpdir/scmroot/ghc-transformers-base'...
$ git reset --hard a79c9b835ecb3f84776f79819f4e2818d086d09e
HEAD is now at a79c9b8 BR prof for lib and static for executable