1 files changed, 50 insertions, 0 deletions
diff --git a/deps/node/deps/npm/lib/utils/git.js b/deps/node/deps/npm/lib/utils/git.js
new file mode 100644
index 00000000..6770853d
--- /dev/null
+++ b/deps/node/deps/npm/lib/utils/git.js
@@ -0,0 +1,50 @@
+'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)
+  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)
+  })
+}