$ git clone -n https://src.fedoraproject.org/rpms/ghc-arrows.git /var/lib/mock/f33-build-138965-42287/root/chroot_tmpdir/scmroot/ghc-arrows
Cloning into '/var/lib/mock/f33-build-138965-42287/root/chroot_tmpdir/scmroot/ghc-arrows'...
$ git reset --hard 20f02f1809f8bcff7a19d4612753730de37a8232
HEAD is now at 20f02f1 refresh to cabal-rpm-2.0.2