add a script to update plugin translations from Transifex

script/plugin-translations.rb

@@ -0,0 +1,86 @@
+if ARGV.empty?
+  puts 'Usage: ', ''
+  puts '  ruby plugin-translations.rb <plugins_base_dir>'
+  puts '  ruby plugin-translations.rb <plugins_base_dir> push  (to git push)'
+  exit 1
+end
+
+require 'bundler'
+
+class PluginTxUpdater
+
+  attr_reader :failed
+
+  PLUGINS = [
+    'discourse-adplugin',
+    'discourse-akismet',
+    'discourse-assign',
+    'discourse-cakeday',
+    'discourse-canned-replies',
+    'discourse-chat-integration',
+    'discourse-data-explorer',
+    'discourse-math',
+    'discourse-oauth2-basic',
+    'discourse-patreon',
+    # 'discourse-saved-searches', # TODO
+    'discourse-solved',
+    'discourse-staff-notes',
+    'discourse-voting'
+  ]
+
+  def initialize(base_dir, push)
+    @push = !!push
+    @base_dir = base_dir
+    @failed = []
+  end
+
+  def perform
+    PLUGINS.each do |plugin_name|
+      plugin_dir = File.join(@base_dir, plugin_name)
+      Bundler.with_clean_env do
+        Dir.chdir(plugin_dir) do
+          puts '', plugin_dir, '-' * 80, ''
+
+          begin
+            system_cmd('git pull')
+            system_cmd('bundle update translations-manager')
+            system_cmd('bundle exec bin/pull_translations.rb')
+            system_cmd('git add config/locales/*')
+            system_cmd('git add Gemfile.lock') rescue true # might be gitignored
+            system_cmd('git commit -m "Update translations"')
+            system_cmd('git push origin master') if @push
+          rescue => e
+            puts "Failed for #{plugin_name}. Skipping...", ''
+            @failed << plugin_name
+          end
+        end
+      end
+    end
+  end
+
+  def system_cmd(s)
+    rc = system(s)
+    raise RuntimeError.new($?) if rc != true
+  end
+end
+
+base_dir = File.expand_path(ARGV[0])
+
+unless File.exists?(base_dir)
+  puts '', "Dir '#{base_dir}' doesn't exist."
+  exit 1
+end
+
+updates = PluginTxUpdater.new(base_dir, ARGV[1]&.downcase == 'push')
+updates.perform
+
+if updates.failed.empty?
+  puts '', "All plugins updated successfully!", ''
+else
+  if updates.failed.size < PluginTxUpdater::PLUGINS.size
+    puts '', "These plugins updated successfully: ", ''
+    puts PluginTxUpdater::PLUGINS - updates.failed
+  end
+  puts '', "Errors were encountered while updating these plugins:", ''
+  puts updates.failed
+end