$ git clone -n https://src.fedoraproject.org/rpms/ghc-failure.git /var/lib/mock/f31-build-54326-27988/root/chroot_tmpdir/scmroot/ghc-failure
Cloning into '/var/lib/mock/f31-build-54326-27988/root/chroot_tmpdir/scmroot/ghc-failure'...
$ git reset --hard a38e65c95d925e7be47de8674fd948b2ca6566c7
HEAD is now at a38e65c refresh to cabal-rpm-0.13