1 files changed, 45 insertions, 0 deletions
diff --git a/deps/npm/lib/utils/git.js b/deps/npm/lib/utils/git.js
new file mode 100644
index 0000000000..7e20151938
--- /dev/null
+++ b/deps/npm/lib/utils/git.js
@@ -0,0 +1,45 @@
+
+// handle some git configuration for windows
+
+exports.spawn = spawnGit
+exports.chainableExec = chainableExec
+exports.whichAndExec = whichAndExec
+
+var exec = require("child_process").execFile
+  , spawn = require("child_process").spawn
+  , npm = require("../npm.js")
+  , which = require("which")
+  , git = npm.config.get("git")
+
+function prefixGitArgs() {
+  return process.platform === "win32" ? ["-c", "core.longpaths=true"] : []
+}
+
+function execGit(args, options, cb) {
+  return exec(git, prefixGitArgs().concat(args || []), options, cb)
+}
+
+function spawnGit(args, options, cb) {
+  return spawn(git, prefixGitArgs().concat(args || []), options)
+}
+
+function chainableExec() {
+  var args = Array.prototype.slice.call(arguments)
+  return [execGit].concat(args)
+}
+
+function whichGit(cb) {
+  return which(git, cb)
+}
+
+function whichAndExec(args, options, cb) {
+  // check for git
+  whichGit(function (err) {
+    if (err) {
+      err.code = "ENOGIT"
+      return cb(err)
+    }
+
+    execGit(args, options, cb)
+  })
+}