$ git clone -n https://src.fedoraproject.org/rpms/ghc-pipes-safe.git /var/lib/mock/f31-build-54719-28043/root/thebuilddir/tmp/scmroot/ghc-pipes-safe
Cloning into '/var/lib/mock/f31-build-54719-28043/root/thebuilddir/tmp/scmroot/ghc-pipes-safe'...
$ git reset --hard 0026e36629c80dc54c5ddfd4d2281a8f5e53e6c5
HEAD is now at 0026e36 refresh to cabal-rpm-0.13