/*
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* grunt-chmod
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* https://github.com/JamesMGreene/grunt-chmod
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*
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* Copyright (c) 2013 James M. Greene
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* Licensed under the MIT license.
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*/
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'use strict';
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var shelljs = require('shelljs');
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module.exports = function(grunt) {
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// Please see the Grunt documentation for more information regarding task
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// creation: http://gruntjs.com/creating-tasks
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grunt.registerMultiTask('chmod', 'Modify file permissions, a la `chmod`.', function() {
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// Merge task-specific and/or target-specific options with these defaults.
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var options = this.options({
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mode: '',
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emit: false
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});
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var shouldEmit = options.emit === true;
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if (shouldEmit) {
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grunt.event.emit('chmod.taskTargetName', this.target);
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}
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var logError = createLogErrorFunc(shouldEmit);
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var taskFailure = createTaskFailureFunc(shouldEmit);
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var taskSuccess = createTaskSuccessFunc(shouldEmit);
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var mode = options.mode;
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// If there isn't any mode to set, then bail out
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if (!mode) {
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logError('No `mode` was specified in the task `options`. Task failed!');
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return taskFailure();
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}
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// If the mode set wasn't a string, then bail out
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if (typeof mode !== 'string') {
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logError('The `mode` specified in the task `options` was not a string. Task failed!');
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return taskFailure();
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}
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var fs = require('fs');
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var files = this.filesSrc;
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// Iterate over all specified file groups.
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files.forEach(function(path) {
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// Warn on and remove invalid source files (if nonull was set).
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if (!grunt.file.exists(path)) {
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logError('Source dir/file "' + path + '" not found.');
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}
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// Write the destination file.
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try {
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shelljs.chmod(mode, path); //fs.chmodSync(path, mode);
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}
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catch (e) {
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logError('Failed to set `chmod` mode "' + mode + '" on dir/file: ' + path + '\n' + e);
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}
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});
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// Fail task if errors were logged.
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if (this.errorCount) {
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return taskFailure();
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}
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// Otherwise, print a success message.
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grunt.log.ok(files.length + ' file' + (files.length === 1 ? '' : 's') + ' had their `chmod` mode set to "' + mode + '".');
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return taskSuccess();
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});
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var createLogErrorFunc = function(shouldEmit) {
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if (shouldEmit) {
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return function(errorMsg) {
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grunt.event.emit('chmod.error', errorMsg);
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grunt.log.error(errorMsg);
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};
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}
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return function(errorMsg) {
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grunt.log.error(errorMsg);
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};
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};
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var createTaskFailureFunc = function(shouldEmit) {
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if (shouldEmit) {
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return function() {
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grunt.event.emit('chmod.fail');
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return false;
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};
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}
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return function() {
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return false;
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};
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};
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var createTaskSuccessFunc = function(shouldEmit) {
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if (shouldEmit) {
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return function() {
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grunt.event.emit('chmod.success');
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return true;
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};
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}
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return function() {
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return true;
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};
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};
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};
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