$ git clone -n https://src.fedoraproject.org/rpms/haskell-platform.git /var/lib/mock/f40-build-763675-122629/root/chroot_tmpdir/scmroot/haskell-platform
Cloning into '/var/lib/mock/f40-build-763675-122629/root/chroot_tmpdir/scmroot/haskell-platform'...
$ git reset --hard 8a31ee478fe0ed5b3bb74f914cf90f181b7938a8
HEAD is now at 8a31ee4 patch stack setup for ppc64le and s390x