$ git clone -n https://src.fedoraproject.org/rpms/ghc-arrows.git /var/lib/mock/f31-build-99398-33157/root/chroot_tmpdir/scmroot/ghc-arrows
Cloning into '/var/lib/mock/f31-build-99398-33157/root/chroot_tmpdir/scmroot/ghc-arrows'...
$ git reset --hard de9c954574a05791e4fa97062ce7f85e34143f9f
HEAD is now at de9c954 BR prof for lib and static for executable