$ git clone -n https://src.fedoraproject.org/rpms/ghc-cabal-helper.git /var/lib/mock/f31-build-93681-32424/root/chroot_tmpdir/scmroot/ghc-cabal-helper
Cloning into '/var/lib/mock/f31-build-93681-32424/root/chroot_tmpdir/scmroot/ghc-cabal-helper'...
$ git reset --hard 8b6129efa5dd9e5df918e93bbd9f410555ca4168
HEAD is now at 8b6129e BR prof for lib and static for executable