Add script and action for generating JSON for Repology (#7376)

tools/json.rb

@@ -0,0 +1,16 @@
+require 'json'
+
+# Add >LOCAL< lib to LOAD_PATH
+$LOAD_PATH.unshift '../lib'
+
+require_relative '../lib/const'
+require_relative '../lib/package'
+
+output = Array.new
+
+Dir.glob('../packages/*.rb').each do |filename|
+  pkg = Package.load_package(filename)
+  output << {name: File.basename(filename, '.rb'), description: pkg.description, homepage: pkg.homepage, version: pkg.version, license: pkg.license, compatibility: pkg.compatibility}
+end
+
+File.write('repology.json', JSON.generate(output))