$ git clone -n https://src.fedoraproject.org/rpms/ghc-haskell-src-meta.git /var/lib/mock/f33-build-257238-50849/root/chroot_tmpdir/scmroot/ghc-haskell-src-meta
Cloning into '/var/lib/mock/f33-build-257238-50849/root/chroot_tmpdir/scmroot/ghc-haskell-src-meta'...
$ git reset --hard 39ef9cfdea59bd190d84ab2f9c32e05336912507
HEAD is now at 39ef9cf update to 0.8.3