$ git clone -n https://src.fedoraproject.org/rpms/ghc-unix-time.git /var/lib/mock/f31-build-55033-28081/root/chroot_tmpdir/scmroot/ghc-unix-time
Cloning into '/var/lib/mock/f31-build-55033-28081/root/chroot_tmpdir/scmroot/ghc-unix-time'...
$ git reset --hard 429be4c1db28078376228bb44732d96c55539f48
HEAD is now at 429be4c refresh to cabal-rpm-0.13