# Build the catalog from `mpackages`
	fun build_catalog(mpackages: Array[MPackage]) do
		# Compute the poset
		for p in mpackages do
			var g = p.root
			assert g != null
			modelbuilder.scan_group(g)
		end
		# Build the catalog
		for mpackage in mpackages do
			package_page(mpackage)
			git_info(mpackage)
			mpackage_stats(mpackage)
		end
	end