$ git clone -n https://src.fedoraproject.org/rpms/ghc.git /var/lib/mock/f41-build-833403-157875/root/chroot_tmpdir/scmroot/ghc
Cloning into '/var/lib/mock/f41-build-833403-157875/root/chroot_tmpdir/scmroot/ghc'...
$ git reset --hard c2d4de3fc85cc0d3188955249ca1fc4f3f47aeda
HEAD is now at c2d4de3 disable Cabal check warnings about missing upperbounds