$ git clone -n https://src.fedoraproject.org/rpms/ghc-vector-th-unbox.git /var/lib/mock/f31-build-55046-28083/root/chroot_tmpdir/scmroot/ghc-vector-th-unbox
Cloning into '/var/lib/mock/f31-build-55046-28083/root/chroot_tmpdir/scmroot/ghc-vector-th-unbox'...
$ git reset --hard 396527b61c052db49002c0a1e2da0615b11eb473
HEAD is now at 396527b refresh to cabal-rpm-0.13