$ git clone -n https://src.fedoraproject.org/rpms/ghc-pretty-show.git /var/lib/mock/f31-build-100889-33326/root/chroot_tmpdir/scmroot/ghc-pretty-show
Cloning into '/var/lib/mock/f31-build-100889-33326/root/chroot_tmpdir/scmroot/ghc-pretty-show'...
$ git reset --hard b7a07272655914be1b6bdabb0811ea2c783c76dc
HEAD is now at b7a0727 BR prof for lib and static for executable