$ git clone -n https://src.fedoraproject.org/rpms/ghc-cautious-file.git /var/lib/mock/f31-build-54121-27957/root/chroot_tmpdir/scmroot/ghc-cautious-file
Cloning into '/var/lib/mock/f31-build-54121-27957/root/chroot_tmpdir/scmroot/ghc-cautious-file'...
$ git reset --hard 8d07806753cce5a6ddf39d0671ca56bb6ccf0cb1
HEAD is now at 8d07806 refresh to cabal-rpm-0.13