$ git clone -n https://src.fedoraproject.org/rpms/ghc-xml-types.git /var/lib/mock/f31-build-55083-28089/root/chroot_tmpdir/scmroot/ghc-xml-types
Cloning into '/var/lib/mock/f31-build-55083-28089/root/chroot_tmpdir/scmroot/ghc-xml-types'...
$ git reset --hard 51c5e95c8935b8686cc28e40c7db8c86b35d7bee
HEAD is now at 51c5e95 refresh to cabal-rpm-0.13