$ git clone -n https://src.fedoraproject.org/rpms/ghc-bifunctors.git /var/lib/mock/f31-build-54051-27937/root/chroot_tmpdir/scmroot/ghc-bifunctors
Cloning into '/var/lib/mock/f31-build-54051-27937/root/chroot_tmpdir/scmroot/ghc-bifunctors'...
$ git reset --hard b0089e6857c77c2576a0b0609fbe3a2b589576c2
HEAD is now at b0089e6 refresh to cabal-rpm-0.13