Run tasks only once

Author: fortuna

Gruntfile.js

@@ -1029,7 +1029,18 @@ module.exports = function(grunt) {
     return tasks;
   }
 
-  grunt.registerTask('base', [
+  // Returns a task name that will run the input task only once if
+  // called multiple times. 
+  function makeRunOnce(taskName) {
+    return 'run-once:' + taskName;
+  }
+
+  // Register a task, making sure subtasks only run once.
+  function registerTask(grunt, taskName, subTasks) {
+    return grunt.registerTask(taskName, subTasks.map(makeRunOnce));
+  }
+
+  registerTask(grunt, 'base', [
     'copy:resources', 
     'copy:devGenericCore', 
     'ts', 
@@ -1043,95 +1054,95 @@ module.exports = function(grunt) {
     'browserify:cloudSocialProviderFreedomModule', 
     'browserify:digitalOceanFreedomModule'
   ]);
-  grunt.registerTask('echoServer', [
+  registerTask(grunt, 'echoServer', [
     'base', 
     'browserify:echoServerFreedomModule', 
     'copy:libsForEchoServerChromeApp', 
     'copy:libsForEchoServerFirefoxApp', 
     'copy:libsForEchoServerNode'
   ]);
-  grunt.registerTask('copypasteChat', [
+  registerTask(grunt, 'copypasteChat', [
     'base', 
     'browserify:copypasteChatFreedomModule', 
     'browserify:copypasteChatMain', 
     'copy:libsForCopypasteChatChromeApp', 
     'copy:libsForCopypasteChatFirefoxApp', 
     'copy:libsForCopypasteChatWebApp'
   ]);
-  grunt.registerTask('copypasteSocks', [
+  registerTask(grunt, 'copypasteSocks', [
     'base', 
     'browserify:copypasteSocksFreedomModule', 
     'browserify:copypasteSocksMain', 
     'vulcanize:copypasteSocks', 
     'copy:libsForCopyPasteSocksChromeApp', 
     'copy:libsForCopyPasteSocksFirefoxApp'
   ]);
-  grunt.registerTask('deployer', [
+  registerTask(grunt, 'deployer', [
     'base', 
     'browserify:deployerFreedomModule', 
     'copy:libsForDeployerChromeApp', 
     'copy:libsForDeployerFirefoxApp'
   ]);
-  grunt.registerTask('simpleChat', [
+  registerTask(grunt, 'simpleChat', [
     'base',
     'browserify:simpleChatFreedomModule',
     'browserify:simpleChatMain',
     'copy:libsForSimpleChatChromeApp',
     'copy:libsForSimpleChatFirefoxApp',
     'copy:libsForSimpleChatWebApp'
   ]);
-  grunt.registerTask('simpleSocks', [
+  registerTask(grunt, 'simpleSocks', [
     'base',
     'browserify:simpleSocksFreedomModule',
     'copy:libsForSimpleSocksChromeApp',
     'copy:libsForSimpleSocksFirefoxApp',
     'copy:libsForSimpleSocksNode'
   ]);
-  grunt.registerTask('uprobe', [
+  registerTask(grunt, 'uprobe', [
     'base', 
     'browserify:uprobeFreedomModule', 
     'copy:libsForUprobeChromeApp', 
     'copy:libsForUprobeFirefoxApp'
   ]);
-  grunt.registerTask('zork', [
+  registerTask(grunt, 'zork', [
     'base', 
     'browserify:zorkFreedomModule', 
     'copy:libsForZorkChromeApp', 
     'copy:libsForZorkFirefoxApp', 
     'copy:libsForZorkNode', 
     'exec:installFreedomForNodeForZork'
   ]);
-  grunt.registerTask('version_file', [
+  registerTask(grunt, 'version_file', [
     'gitinfo',
     'string-replace:version'
   ]);
-  grunt.registerTask('build_chrome_app', [
+  registerTask(grunt, 'build_chrome_app', [
     'base',
     'copy:chrome_app'
   ].concat(fullyVulcanize('chrome/app/polymer', 'ext-missing', 'vulcanized')));
-  grunt.registerTask('build_chrome_ext', [
+  registerTask(grunt, 'build_chrome_ext', [
     'base',
     'copy:chrome_extension',
     'copy:chrome_extension_additional',
     'browserify:chromeExtMain',
     'browserify:chromeContext'
   ].concat(fullyVulcanize('chrome/extension/generic_ui/polymer', 'root', 'vulcanized', true)));
 
-  grunt.registerTask('build_chrome', [
+  registerTask(grunt, 'build_chrome', [
     'build_chrome_app',
     'build_chrome_ext'
   ]);
 
   // Firefox build tasks.
-  grunt.registerTask('build_firefox', [
+  registerTask(grunt, 'build_firefox', [
     'base',
     'copy:firefox', 
     'copy:firefox_additional', 
     'browserify:firefoxContext'
   ].concat(fullyVulcanize('firefox/data/generic_ui/polymer', 'root', 'vulcanized', true)));
 
   // CCA build tasks
-  grunt.registerTask('build_cca', [
+  registerTask(grunt, 'build_cca', [
     'base', 
     'copy:cca', 
     'copy:cca_additional', 
@@ -1140,7 +1151,7 @@ module.exports = function(grunt) {
   ].concat(fullyVulcanize('cca/app/generic_ui/polymer', 'root', 'vulcanized', true)));
 
   // Mobile OS build tasks
-  grunt.registerTask('build_android', [
+  registerTask(grunt, 'build_android', [
     'exec:cleanAndroid',
     'build_cca', 
     'exec:ccaCreateDev', 
@@ -1150,7 +1161,7 @@ module.exports = function(grunt) {
     'exec:ccaBuildAndroid', 
     'exec:androidReplaceXwalkDev'
   ]);
-  grunt.registerTask('release_android', [
+  registerTask(grunt, 'release_android', [
     'build_cca', 
     'copy:dist', 
     'exec:ccaCreateDist', 
@@ -1163,47 +1174,47 @@ module.exports = function(grunt) {
   ]);
 
   // Emulate the mobile client for android
-  grunt.registerTask('emulate_android', [
+  registerTask(grunt, 'emulate_android', [
     'build_android', 
     'exec:ccaEmulateAndroid'
   ]);
 
-  grunt.registerTask('build_ios', [
+  registerTask(grunt, 'build_ios', [
     'exec:cleanIos', 
     'build_cca', 
     'exec:ccaCreateIosDev', 
     'exec:ccaAddPluginsIosBuild',
     'exec:addIosrtcHook',
     'exec:ccaPrepareIosDev'
   ]);
-  grunt.registerTask('test_chrome', [
+  registerTask(grunt, 'test_chrome', [
     'build_chrome',
     'browserify:chromeExtensionCoreConnectorSpec',
     'jasmine:chrome_core_connector'
   ]);
-  grunt.registerTask('tcpIntegrationTestModule', [
+  registerTask(grunt, 'tcpIntegrationTestModule', [
     'base',
     'copy:libsForIntegrationTcp',
     'browserify:integrationTcpFreedomModule',
     'browserify:integrationTcpSpec'
   ]);
-  grunt.registerTask('tcpIntegrationTest', [
+  registerTask(grunt, 'tcpIntegrationTest', [
     'tcpIntegrationTestModule',
     'jasmine_chromeapp:tcp'
   ]);
-  grunt.registerTask('socksEchoIntegrationTestModule', [
+  registerTask(grunt, 'socksEchoIntegrationTestModule', [
     'base',
     'copy:libsForIntegrationSocksEcho',
     'browserify:integrationSocksEchoFreedomModule', 
     'browserify:integrationSocksEchoChurnSpec', 
     'browserify:integrationSocksEchoNochurnSpec', 
     'browserify:integrationSocksEchoSlowSpec'
   ]);
-  grunt.registerTask('socksEchoIntegrationTest', [
+  registerTask(grunt, 'socksEchoIntegrationTest', [
     'socksEchoIntegrationTestModule', 
     'jasmine_chromeapp:socksEcho'
   ]);
-  grunt.registerTask('unit_test_nobuild', _.flatten([].concat(
+  registerTask(grunt, 'unit_test_nobuild', _.flatten([].concat(
     Rule.getTests('src', 'lib', ['build-tools', 'integration-tests']),
     Rule.getTests('src', 'generic_core'),
     Rule.getTests('src', 'generic_ui/scripts')
@@ -1212,40 +1223,40 @@ module.exports = function(grunt) {
     })
   ));
 
-  grunt.registerTask('unit_test', [
+  registerTask(grunt, 'unit_test', [
     'base',
     'unit_test_nobuild'
   ]);
   // TODO: add test_chrome once it passes reliably
-  grunt.registerTask('integration_test', [
+  registerTask(grunt, 'integration_test', [
     'tcpIntegrationTest',
     'socksEchoIntegrationTest'
   ]);
-  grunt.registerTask('test', [
+  registerTask(grunt, 'test', [
     'unit_test',
     'integration_test'
   ]);
   // Builds all code, including the "dist" build, but skips
   // iOS and Android as well as
   // ts-linting and testing which can be annoying and slow.
   // We added jshint here because catches hard syntax errors, etc.
-  grunt.registerTask('build', [
+  registerTask(grunt, 'build', [
     'build_chrome', 
     'build_firefox', 
     'build_cca', 
     'jshint', 
     'copy:dist', 
     'jpm:xpi'
   ]);
-  grunt.registerTask('lint', ['tslint']);
+  registerTask(grunt, 'lint', ['tslint']);
   // This is run prior to releasing uProxy and, in addition to
   // building, tests and lints all code.
-  grunt.registerTask('dist', [
+  registerTask(grunt, 'dist', [
     'build',
     'lint',
     'test'
   ]);
-  grunt.registerTask('default', ['build']);
+  registerTask(grunt, 'default', ['build']);
 
   //-------------------------------------------------------------------------
   grunt.loadNpmTasks('grunt-browserify');
@@ -1259,6 +1270,7 @@ module.exports = function(grunt) {
   grunt.loadNpmTasks('grunt-gitinfo');
   grunt.loadNpmTasks('grunt-jasmine-chromeapp');
   grunt.loadNpmTasks('grunt-jpm');
+  grunt.loadNpmTasks('grunt-run-once');
   grunt.loadNpmTasks('grunt-string-replace');
   grunt.loadNpmTasks('grunt-ts');
   grunt.loadNpmTasks('grunt-tslint');

package.json

@@ -54,6 +54,7 @@
     "grunt-gitinfo": "^0.1.7",
     "grunt-jasmine-chromeapp": "git://github.com/uproxy/grunt-jasmine-chromeapp",
     "grunt-jpm": "^0.1.3",
+    "grunt-run-once": "^0.2.0",
     "grunt-string-replace": "^1.0.0",
     "grunt-subgrunt": "^1.2.0",
     "grunt-template-jasmine-istanbul": "^0.3.0",