$ git clone -n https://src.fedoraproject.org/rpms/ghc-gi-cairo.git /var/lib/mock/f31-build-54387-27997/root/chroot_tmpdir/scmroot/ghc-gi-cairo
Cloning into '/var/lib/mock/f31-build-54387-27997/root/chroot_tmpdir/scmroot/ghc-gi-cairo'...
$ git reset --hard bd815ef5df2b763d125af2994b812c074ac51a8d
HEAD is now at bd815ef refresh to cabal-rpm-0.13