'use strict' const BB = require('bluebird') const exec = require('child_process').execFile const spawn = require('./spawn') const npm = require('../npm.js') const which = require('which') const git = npm.config.get('git') const assert = require('assert') const log = require('npmlog') const noProgressTillDone = require('./no-progress-while-running.js').tillDone exports.spawn = spawnGit exports.exec = BB.promisify(execGit) exports.chainableExec = chainableExec exports.whichAndExec = whichAndExec function prefixGitArgs () { return process.platform === 'win32' ? ['-c', 'core.longpaths=true'] : [] } function execGit (args, options, cb) { log.info('git', args) const fullArgs = prefixGitArgs().concat(args || []) return exec(git, fullArgs, options, noProgressTillDone(cb)) } function spawnGit (args, options) { log.info('git', args) // If we're already in a git command (eg, running test as an exec // line in an interactive rebase) then these environment variables // will force git to operate on the current project, instead of // checking out/fetching/etc. whatever the user actually intends. options.env = options.env || Object.keys(process.env) .filter(k => !/^GIT/.test(k)) .reduce((set, k) => { set[k] = process.env[k] return set }, {}) return spawn(git, prefixGitArgs().concat(args || []), options) } function chainableExec () { var args = Array.prototype.slice.call(arguments) return [execGit].concat(args) } function whichAndExec (args, options, cb) { assert.equal(typeof cb, 'function', 'no callback provided') // check for git which(git, function (err) { if (err) { err.code = 'ENOGIT' return cb(err) } execGit(args, options, cb) }) }