core: centralize the dev dir logic into node-gyp.js

Author: TooTallNate

lib/configure.js

@@ -181,8 +181,8 @@ function configure (gyp, argv, callback) {
   function runGypAddon (err) {
     if (err) return callback(err)
 
-    var devDir = path.resolve(process.env.HOME, '.node-gyp', version)
-      , gyp_addon = path.resolve(devDir, 'tools', 'gyp_addon')
+    // location of the `gyp_addon` python script for the target node version
+    var gyp_addon = path.resolve(gyp.devDir, version, 'tools', 'gyp_addon')
 
     if (!~argv.indexOf('-f') && !~argv.indexOf('--format')) {
       if (win) {

lib/install.js

@@ -67,9 +67,8 @@ function install (gyp, argv, callback) {
   version = version.slice(1, 4).join('.')
   gyp.verbose('installing version', version)
 
-
-  // TODO: Make ~/.node-gyp configurable
-  var devDir = path.resolve(process.env.HOME, '.node-gyp', version)
+  // the directory where the dev files will be installed
+  var devDir = path.resolve(gyp.devDir, version)
 
   // If '--ensure' was passed, then don't *always* install the version,
   // check if it is already installed, and only install when needed

lib/list.js

@@ -12,13 +12,10 @@ var fs = require('fs')
 
 function list (gyp, args, callback) {
 
-  // TODO: Make ~/.node-gyp configurable
-  var nodeGypDir = path.resolve(process.env.HOME, '.node-gyp')
-
-  gyp.verbose('using node-gyp dir', nodeGypDir)
+  gyp.verbose('using node-gyp dir', gyp.devDir)
 
   // readdir the node-gyp dir
-  fs.readdir(nodeGypDir, onreaddir)
+  fs.readdir(gyp.devDir, onreaddir)
 
   function onreaddir (err, versions) {
     if (err && err.code != 'ENOENT') {

lib/node-gyp.js

@@ -38,6 +38,12 @@ function gyp () {
 function Gyp () {
   var me = this
 
+  // set the dir where node-gyp dev files get installed
+  // TODO: make this configurable?
+  //       see: https://github.com/TooTallNate/node-gyp/issues/21
+  var homeDir = process.env.HOME
+  this.devDir = path.resolve(homeDir, '.node-gyp')
+
   this.commands = {}
   commands.forEach(function (command) {
     me.commands[command] = function (argv, callback) {

lib/remove.js

@@ -14,10 +14,7 @@ var fs = require('fs')
 
 function remove (gyp, argv, callback) {
 
-  // TODO: Make ~/.node-gyp configurable
-  var nodeGypDir = path.resolve(process.env.HOME, '.node-gyp')
-
-  gyp.verbose('using node-gyp dir', nodeGypDir)
+  gyp.verbose('using node-gyp dir', gyp.devDir)
 
   // get the user-specified version to remove
   var v = argv[0] || gyp.opts.target
@@ -36,7 +33,7 @@ function remove (gyp, argv, callback) {
   // flatten the version Array into a String
   version = version.slice(1, 4).join('.')
 
-  var versionPath = path.resolve(nodeGypDir, version)
+  var versionPath = path.resolve(gyp.devDir, version)
   gyp.verbose('removing development files for version', version)
 
   // first check if its even installed