wikijs-fork/models/git.js

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"use strict";
var Git = require("git-wrapper2-promise"),
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Promise = require('bluebird'),
path = require('path'),
os = require('os'),
fs = Promise.promisifyAll(require("fs")),
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moment = require('moment'),
_ = require('lodash'),
URL = require('url');
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/**
* Git Model
*/
module.exports = {
_git: null,
_url: '',
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_repo: {
path: '',
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branch: 'master',
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exists: false,
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sync: true
},
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_signature: {
name: 'Wiki',
email: 'user@example.com'
},
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_opts: {
clone: {},
push: {}
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},
/**
* Initialize Git model
*
* @param {Object} appconfig The application config
* @return {Object} Git model instance
*/
init(appconfig) {
let self = this;
//-> Build repository path
if(_.isEmpty(appconfig.datadir.repo)) {
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self._repo.path = path.join(ROOTPATH, 'repo');
} else {
self._repo.path = appconfig.datadir.repo;
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}
//-> Initialize repository
self._initRepo(appconfig).then((repo) => {
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if(self._repo.sync) {
self.resync();
}
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});
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// Define signature
self._signature.name = appconfig.git.signature.name || 'Wiki';
self._signature.email = appconfig.git.signature.email || 'user@example.com';
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return self;
},
/**
* Initialize Git repository
*
* @param {Object} appconfig The application config
* @return {Object} Promise
*/
_initRepo(appconfig) {
let self = this;
winston.info('[GIT] Checking Git repository...');
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//-> Check if path is accessible
return fs.mkdirAsync(self._repo.path).catch((err) => {
if(err.code !== 'EEXIST') {
winston.error('Invalid Git repository path or missing permissions.');
}
}).then(() => {
self._git = new Git({ 'git-dir': self._repo.path });
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//-> Check if path already contains a git working folder
return self._git.isRepo().then((isRepo) => {
self._repo.exists = isRepo;
return (!isRepo) ? self._git.exec('init') : true;
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}).catch((err) => {
self._repo.exists = false;
});
}).then(() => {
// Initialize remote
let urlObj = URL.parse(appconfig.git.url);
urlObj.auth = appconfig.git.auth.username + ((appconfig.git.auth.type !== 'ssh') ? ':' + appconfig.git.auth.password : '');
self._url = URL.format(urlObj);
return self._git.exec('remote', 'show').then((cProc) => {
let out = cProc.stdout.toString();
if(_.includes(out, 'origin')) {
return true;
} else {
return Promise.join(
self._git.exec('config', ['--local', 'user.name', self._signature.name]),
self._git.exec('config', ['--local', 'user.email', self._signature.email])
).then(() => {
return self._git.exec('remote', ['add', 'origin', self._url]);
})
}
});
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}).catch((err) => {
winston.error('Git remote error!');
throw err;
}).then(() => {
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winston.info('[GIT] Git repository is now ready.');
return true;
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});
},
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resync() {
let self = this;
// Fetch
winston.info('[GIT] Performing pull from remote repository...');
return self._git.pull('origin', self._repo.branch).then((cProc) => {
winston.info('[GIT] Pull completed.');
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})
.catch((err) => {
winston.error('Unable to fetch from git origin!');
throw err;
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})
.then(() => {
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// Check for changes
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return self._git.exec('status').then((cProc) => {
let out = cProc.stdout.toString();
if(!_.includes(out, 'nothing to commit')) {
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// Add, commit and push
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winston.info('[GIT] Performing push to remote repository...');
return self._git.add('-A').then(() => {
return self._git.commit("Resync");
}).then(() => {
return self._git.push('origin', self._repo.branch);
}).then(() => {
return winston.info('[GIT] Push completed.');
});
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} else {
winston.info('[GIT] Repository is already up to date. Nothing to commit.');
}
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return true;
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});
})
.catch((err) => {
winston.error('Unable to push changes to remote!');
throw err;
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});
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}
};