$ git clone -n https://src.fedoraproject.org/rpms/ghc-hxt-unicode.git /var/lib/mock/f31-build-54484-28012/root/chroot_tmpdir/scmroot/ghc-hxt-unicode
Cloning into '/var/lib/mock/f31-build-54484-28012/root/chroot_tmpdir/scmroot/ghc-hxt-unicode'...
$ git reset --hard 45061ce1884032e4086b44718d999c783f128ef6
HEAD is now at 45061ce refresh to cabal-rpm-0.13