$ git clone -n https://src.fedoraproject.org/rpms/immix.git /var/lib/mock/f29-build-7101-1744/root/thebuilddir/tmp/scmroot/immix
Cloning into '/var/lib/mock/f29-build-7101-1744/root/thebuilddir/tmp/scmroot/immix'...
$ git reset --hard 6bfa06a644f6bef14d48d7972fd00f9efbbf8cd1
HEAD is now at 6bfa06a - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild