respect lineman config files.browserify.entrypoint

lib/initializes-app-entrypoint.coffee

@@ -1,12 +1,16 @@
-fs = require('fs')
-path = require('path')
+chdir = require('chdir')
 findsRoot = require('find-root-package')
+grunt = require('lineman').grunt
+minimatch = require('minimatch')
+sh = require('execSync')
 
 module.exports =
   initialize: (dir = process.cwd()) ->
     topDir = findsRoot.findTopPackageJson(dir)
     return unless isInstalledAsDependency(dir, topDir)
-    new EntryPoint(topDir).ensureExists()
+
+    chdir topDir, ->
+      new EntryPoint(topDir).ensureExists()
 
 
 isInstalledAsDependency = (dir, topDir) ->
@@ -15,20 +19,30 @@ isInstalledAsDependency = (dir, topDir) ->
 
 class EntryPoint
 
-  constructor: (@projectDir, @name='entrypoint') ->
-    @js = "app/js/#{@name}.js"
-    @coffee = "app/js/#{@name}.coffee"
-
-  ensureExists: ->
-    unless @exists()
-      console.log("Writing a default '#{@coffee}' file into '#{@projectDir}'")
-      fs.writeFileSync path.join(@projectDir, @coffee), @contents
-
-  exists: ->
-    fs.existsSync(path.join(@projectDir, @js)) || fs.existsSync(path.join(@projectDir, @coffee))
+  default: "app/js/entrypoint.coffee"
 
   contents: """
             window._ = require("underscore")
             require("./hello")
 
             """
+
+  constructor: (@projectDir) ->
+    @configuredPattern = sh.exec("lineman config --process files.browserify.entrypoint").stdout.replace(/\s*$/,'')
+
+  ensureExists: ->
+    if @exists(@configuredPattern)
+      grunt.log.writeln "Entry point file '#{@configuredPattern}' already exists; nothing to do..."
+
+    else if @isDefaultConfiguration()
+      grunt.log.ok "Writing a default entry point file '#{@default}' into '#{@projectDir}'"
+      grunt.file.write @default, @contents
+
+    else
+      grunt.log.error "Entry point configured as '#{@configuredPattern}' but no file exists"
+
+  exists: (pattern) ->
+    !! grunt.file.expand(pattern).length
+
+  isDefaultConfiguration: ->
+    minimatch(@default, @configuredPattern)

package.json

@@ -18,7 +18,10 @@
     "coffeeify": "~0.5.2",
     "underscore": "~1.6.0",
     "coffee-script": "~1.6.3",
-    "find-root-package": "0.0.1"
+    "find-root-package": "0.0.1",
+    "execSync": "~1.0.1-pre",
+    "minimatch": "~0.2.14",
+    "chdir": "0.0.0"
   },
   "peerDependencies": {
     "coffeeify": "~0.5.2"