68 lines
1.8 KiB
JavaScript
68 lines
1.8 KiB
JavaScript
#!/usr/bin/env node
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/*
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*
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* Copyright 2013, 2014 Canonical Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*
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*/
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var exec = require('child_process').exec;
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exports.check_reqs = function (callback) {
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if (!checkNodeDependencies()) {
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installNodeDependencies(callback);
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} else {
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// don't check platform dependencies yet, as they depend on the target
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// architecture; the base cordova / node / npm install should be
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// sufficient at this stage
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callback();
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}
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};
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function checkNodeDependencies() {
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try {
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require.resolve("shelljs");
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require.resolve("colors");
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require.resolve("optimist");
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require.resolve("q");
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} catch(e) {
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// One or more dependencies are missing, need installation.
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return false;
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}
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return true;
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}
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function installNodeDependencies(callback) {
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var block = true;
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exec('npm install', {cwd: __dirname}, function (error, stdout, stderr) {
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block = false;
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if (error !== null) {
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console.error('ERROR : running \'npm install\' is npm installed? ' + error);
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console.error(stderr);
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process.exit(error.code);
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}
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});
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function wait() {
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if (block) {
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setTimeout(wait, 1500);
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} else {
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callback();
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}
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};
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setTimeout(wait, 1500);
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}
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