$ git clone -n https://src.fedoraproject.org/rpms/ghc-HUnit.git /var/lib/mock/f31-build-53928-27924/root/chroot_tmpdir/scmroot/ghc-HUnit
Cloning into '/var/lib/mock/f31-build-53928-27924/root/chroot_tmpdir/scmroot/ghc-HUnit'...
$ git reset --hard 84ad0367e118848e127de67d344dc69ba9a839c4
HEAD is now at 84ad036 refresh to cabal-rpm-0.13