$ git clone -n https://src.fedoraproject.org/rpms/ghc-concatenative.git /var/lib/mock/f31-build-54162-27959/root/chroot_tmpdir/scmroot/ghc-concatenative
Cloning into '/var/lib/mock/f31-build-54162-27959/root/chroot_tmpdir/scmroot/ghc-concatenative'...
$ git reset --hard 36e12ca670ea93e11b3412132dcf9fc7788d57ad
HEAD is now at 36e12ca refresh to cabal-rpm-0.13