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‎.gitignore‎

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node_modules/*
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._*
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version.js

‎LICENSE‎

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The MIT License (MIT)
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Copyright (c) 2015 Prizma
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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‎README.md‎

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## node-git-version
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This module creates version.js file in current directory containing object with following information:
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*tag* - Git tag attached to HEAD (if any)
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*hash* - SHA-1 hash of HEAD
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*timestamp* - current timestamp
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This information is presented as Node.js module and can be used by Node.js app for getting version information
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## Usage
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```
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npm install node-git-version
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node ./node_modules/node-git-version/index.js
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cat version.js
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```

‎index.js‎

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/**
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* This module creates version.js file in current directory
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* containing object with following information:
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* tag - Git tag attached to HEAD (if any)
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* hash - SHA-1 hash of HEAD
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* timestamp - current timestamp
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*
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* This information is presented as Node.js module and can be used
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* by Node.js app for getting version information
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*
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* Created: Maxim Stepanov
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* Date: March 2015
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*/
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var fs = require('fs');
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var exec = require('child_process').exec;
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var child = exec('git reflog --decorate -1', function (error, stdout, stderr)
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{
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if (error)
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{
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// Shit
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console.log('[FAILED]: Failed to run Git command');
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process.exit(1);
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}
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// Example output: a32d6d8 (HEAD, tag: TAG-V.02, tag: TAG-V.01, master) HEAD@{0}: commit (initial): Asd
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// Run regular expression to extract sha and tag
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var sha = stdout.match(/[a-z0-9]+\s\(HEAD/g);
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if (sha && sha.length > 0)
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{
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sha = sha[0].slice(0, -6);
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}
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var tag = stdout.match(/tag\:\s[a-zA-Z0-9\-\.]+\,/g);
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if (tag && tag.length > 0)
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{
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tag = tag[0].slice(5, -1);
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}
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// Compose version file info
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var versionInfo = 'module.exports = {';
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if (tag)
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{
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versionInfo += '\n\ttag: \'' + tag + '\'';
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}
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else
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{
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versionInfo += '\n\ttag: null';
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}
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versionInfo += '\n\thash: \'' + sha + '\'';
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versionInfo += '\n\ttimestamp: ' + Math.floor(new Date().getTime()/1000);
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versionInfo += '\n};\n';
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// Create version.js file
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fs.writeFile('version.js', versionInfo, function(err)
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{
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if(err)
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{
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console.log('[FAILED]: can\'t create version.js file. Permission issue?');
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}
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else
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{
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console.log('[OK]');
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}
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});
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});

‎package.json‎

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{
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"name": "node-git-version",
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"description": "Node.js application for creating version file of git repository",
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"version": "0.1.0",
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"main": "index.js",
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"bin": "index.js",
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"dependencies":
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{
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},
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"keywords": [
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"git",
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"nodejs",
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"node.js",
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"version",
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"prizma"
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],
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"author": "maxxie <[email protected]> (https://prizma.mobi)",
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"license": "MIT",
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"repository" :
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{
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"type" : "git",
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"url" : "https://github.com/prizma/node-git-version.git"
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}
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}

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