Implement transifex addon

lib/travis/build/addons.rb

@@ -10,6 +10,7 @@
 require 'travis/build/addons/postgresql'
 require 'travis/build/addons/sauce_connect'
 require 'travis/build/addons/ssh_known_hosts'
+require 'travis/build/addons/transifex'
 
 module Travis
   module Build
@@ -46,7 +47,8 @@ def run_stage?(addon, stage)
         def addon(name, config)
           const = self.class.const_get(name.to_s.camelize)
           const.new(script, sh, data, config) if const && run_addon?(const)
-        rescue NameError
+        rescue NameError => e
+          warn e
         end
 
         def addon_config

lib/travis/build/addons/transifex.rb

@@ -0,0 +1,83 @@
+require 'travis/build/addons/base'
+
+module Travis
+  module Build
+    class Addons
+      class Transifex < Base
+        CLIENT_VERSION = '>=0.11'
+        SUPER_USER_SAFE = true
+        DEFAULTS = {
+          hostname: 'https://www.transifex.com',
+          username: '',
+          password: '',
+          token: '',
+          auto_push: {
+            enabled: true,
+            job: 1,
+            branches: %w(master)
+          }
+        }.freeze
+
+        def before_before_script
+          install
+          configure
+        end
+
+        def after_after_script
+          sh.if '$TRAVIS_TEST_RESULT = 0' do
+            sh.fold 'transifex.push' do
+              if tx_config[:auto_push][:enabled]
+                source_push
+              else
+                sh.echo 'Skipping push to Transifex', ansi: :yellow
+              end
+            end
+          end
+        end
+
+        private
+
+          def install
+            sh.fold 'transifex.install' do
+              sh.echo 'Installing Transifex Client (beta)', ansi: :yellow
+              sh.if '$VIRTUAL_ENV' do
+                sh.cmd "pip install 'transifex-client#{CLIENT_VERSION}'", echo: true
+              end
+              sh.else do
+                sh.cmd "pip install --user 'transifex-client#{CLIENT_VERSION}'", echo: true
+              end
+              sh.export 'PATH', '$HOME/.local/bin:$PATH', echo: true
+            end
+          end
+
+          def configure
+            sh.echo "Writing #{tx_rc_path}", ansi: :yellow
+            sh.cmd <<-EOF.gsub(/^ {14}/, ''), echo: false
+              echo "[${TX_HOSTNAME:-#{tx_config[:hostname]}}]
+              hostname = ${TX_HOSTNAME:-#{tx_config[:hostname]}}
+              username = ${TX_USERNAME:-#{tx_config[:username]}}
+              password = ${TX_PASSWORD:-#{tx_config[:password]}}
+              token = ${TX_TOKEN:-#{tx_config[:token]}}" > #{tx_rc_path}
+            EOF
+          end
+
+        def source_push
+          sh.if "$TRAVIS_BRANCH =~ '^(#{tx_config[:auto_push][:branches].join('|')})$'" do
+            sh.echo 'Pushing to Transifex', ansi: :yellow
+            sh.cmd 'tx push --source --no-interactive', echo: true
+          end
+          sh.else do
+            sh.echo "Not Pushing to Transifex for branch '$TRAVIS_BRANCH'", ansi: :yellow
+          end
+
+          def tx_config
+            @tx_config ||= DEFAULTS.deep_merge((config || {}).deep_symbolize_keys)
+          end
+
+          def tx_rc_path
+            @tx_rc_path ||= "#{Travis::Build::HOME_DIR}/.transifexrc"
+          end
+      end
+    end
+  end
+end