/*!
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* parse-git-config <https://github.com/jonschlinkert/parse-git-config>
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*
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* Copyright (c) 2015-present, Jon Schlinkert.
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* Released under the MIT License.
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*/
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'use strict';
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const fs = require('fs');
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const os = require('os');
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const path = require('path');
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const util = require('util');
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const ini = require('ini');
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const configPath = require('git-config-path');
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const expand = str => (str ? str.replace(/^~/, os.homedir()) : '');
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/**
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* Asynchronously parse a `.git/config` file. If only the callback is passed,
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* the `.git/config` file relative to `process.cwd()` is used.
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*
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* ```js
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* parse((err, config) => {
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* if (err) throw err;
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* // do stuff with config
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* });
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*
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* // or, using async/await
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* (async () => {
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* console.log(await parse());
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* console.log(await parse({ cwd: 'foo' }));
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* console.log(await parse({ cwd: 'foo', path: 'some/.git/config' }));
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* })();
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* ```
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* @name parse
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* @param {Object|String|Function} `options` Options with `cwd` or `path`, the cwd to use, or the callback function.
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* @param {Function} `callback` callback function if the first argument is options or cwd.
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* @return {Object}
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* @api public
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*/
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const parse = (options, callback) => {
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if (typeof options === 'function') {
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callback = options;
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options = null;
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}
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if (typeof callback !== 'function') {
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return parse.promise(options);
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}
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return parse.promise(options)
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.then(config => callback(null, config))
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.catch(callback);
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};
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parse.promise = options => {
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let filepath = parse.resolveConfigPath(options);
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let read = util.promisify(fs.readFile);
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let stat = util.promisify(fs.stat);
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if (!filepath) return Promise.resolve(null);
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return stat(filepath)
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.then(() => read(filepath, 'utf8'))
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.then(str => {
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if (options && options.include === true) {
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str = injectInclude(str, path.resolve(path.dirname(filepath)));
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}
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return parseIni(str, options);
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});
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};
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/**
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* Synchronously parse a `.git/config` file. If no arguments are passed,
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* the `.git/config` file relative to `process.cwd()` is used.
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*
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* ```js
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* console.log(parse.sync());
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* console.log(parse.sync({ cwd: 'foo' }));
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* console.log(parse.sync({ cwd: 'foo', path: 'some/.git/config' }));
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* ```
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* @name .sync
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* @param {Object|String} `options` Options with `cwd` or `path`, or the cwd to use.
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* @return {Object}
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* @api public
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*/
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parse.sync = options => {
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let filepath = parse.resolveConfigPath(options);
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if (filepath && fs.existsSync(filepath)) {
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let input = fs.readFileSync(filepath, 'utf8');
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if (options && options.include === true) {
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let cwd = path.resolve(path.dirname(filepath));
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input = injectInclude(input, cwd);
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}
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return parseIni(input, options);
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}
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return {};
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};
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/**
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* Resolve the git config path
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*/
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parse.resolveConfigPath = options => {
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if (typeof options === 'string') options = { type: options };
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const opts = Object.assign({ cwd: process.cwd() }, options);
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const fp = opts.path ? expand(opts.path) : configPath(opts.type);
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return fp ? path.resolve(opts.cwd, fp) : null;
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};
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/**
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* Deprecated: use `.resolveConfigPath` instead
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*/
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parse.resolve = options => parse.resolveConfigPath(options);
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/**
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* Returns an object with only the properties that had ini-style keys
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* converted to objects.
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*
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* ```js
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* const config = parse.sync({ path: '/path/to/.gitconfig' });
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* const obj = parse.expandKeys(config);
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* ```
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* @name .expandKeys
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* @param {Object} `config` The parsed git config object.
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* @return {Object}
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* @api public
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*/
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parse.expandKeys = config => {
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for (let key of Object.keys(config)) {
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let m = /(\S+) "(.*)"/.exec(key);
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if (!m) continue;
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let prop = m[1];
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config[prop] = config[prop] || {};
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config[prop][m[2]] = config[key];
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delete config[key];
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}
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return config;
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};
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function parseIni(str, options) {
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let opts = Object.assign({}, options);
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str = str.replace(/\[(\S+) "(.*)"\]/g, (m, $1, $2) => {
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return $1 && $2 ? `[${$1} "${$2.split('.').join('\\.')}"]` : m;
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});
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let config = ini.parse(str);
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if (opts.expandKeys === true) {
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return parse.expandKeys(config);
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}
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return config;
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}
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function injectInclude(input, cwd) {
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let lines = input.split('\n').filter(line => line.trim() !== '');
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let len = lines.length;
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let res = [];
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for (let i = 0; i < len; i++) {
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let line = lines[i];
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if (line.indexOf('[include]') === 0) {
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let filepath = lines[i + 1].replace(/^\s*path\s*=\s*/, '');
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let fp = path.resolve(cwd, expand(filepath));
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res.push(fs.readFileSync(fp));
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} else {
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res.push(line);
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}
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}
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return res.join('\n');
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}
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/**
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* Expose `parse`
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*/
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module.exports = parse;
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