$ git clone -n https://src.fedoraproject.org/rpms/ghc-hxt-regex-xmlschema.git /var/lib/mock/f31-build-54480-28012/root/chroot_tmpdir/scmroot/ghc-hxt-regex-xmlschema
Cloning into '/var/lib/mock/f31-build-54480-28012/root/chroot_tmpdir/scmroot/ghc-hxt-regex-xmlschema'...
$ git reset --hard 66a317bcd9457f4da80dbc942d40d8dfa39425cc
HEAD is now at 66a317b refresh to cabal-rpm-0.13