b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
67 lines
1.5 KiB
JavaScript
Executable file
67 lines
1.5 KiB
JavaScript
Executable file
'use strict';
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var fs = require('fs'),
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fsPath = require('path');
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module.exports.defaultBin = 'firefox-bin';
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var platformPaths = {
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darwin: 'Contents/MacOS'
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};
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/**
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* Attempts to locate binary based on runtime/platform.
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*
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* detectBinary(
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* '/Applications/Firefox',
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* { product: 'firefox' },
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* function(err, firefox) {
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* // firefox === '/Applications/Firefox/Contents/MacOS/firefox-bin'
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* }
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* );
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*
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* Options:
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* - bin: "firefox-bin" by default
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* - platform: defaults to process.platform
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*
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* @param {String} source of product runtime.
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* @param {Object} options for detection.
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* @param {Function} callback [err, binaryPath];
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*/
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function detectBinary(source, options, callback) {
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if (typeof options === 'function') {
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callback = options;
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options = {};
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}
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if (!options.product) throw new Error('.product must be given');
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var platform = options.platform || process.platform;
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var dir = platformPaths[platform] || '';
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var bins = [
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fsPath.join(source, dir, options.product + '-bin'),
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fsPath.join(source, dir, options.product)
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];
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function exists(bin) {
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fs.exists(bin, function(itDoes) {
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if (itDoes) return callback(null, bin);
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next();
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});
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}
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function next() {
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var bin = bins.shift();
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if (!bin) {
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return callback(
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new Error('cannot find "' + options.product + '" binary in ' + source)
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);
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}
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exists(bin);
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}
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next();
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}
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module.exports.detectBinary = detectBinary;
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