$ git clone -n https://src.fedoraproject.org/rpms/ghc-extensible-exceptions.git /var/lib/mock/f31-build-54324-27988/root/chroot_tmpdir/scmroot/ghc-extensible-exceptions
Cloning into '/var/lib/mock/f31-build-54324-27988/root/chroot_tmpdir/scmroot/ghc-extensible-exceptions'...
$ git reset --hard 6308c92ac3f201e912b58cafcf03c7da1afce234
HEAD is now at 6308c92 refresh to cabal-rpm-0.13