Cakefile for simple/small projects

Cakefile

fs         = require "fs"
{exec}     = require "child_process"
util       = require "util"
path       = require "path"
require "colors"

appFiles  = [ ]
coffeeSubdirs = [ "." ]
exclude = [ ".git", "Cakefile", "node_modules", "_x", "public", "uploads", "views" ]

task "coffeeFiles", ->
  traverseFileSystem = (currentPath) ->
      files = fs.readdirSync currentPath
      for file in files
        do (file) ->
          currentFile = path.join currentPath, file
          if currentFile not in exclude
            stats = fs.statSync(currentFile)
            if stats.isFile() and currentFile.indexOf(".coffee") > 0 and appFiles.join("=").indexOf("#{currentFile}=") < 0
              appFiles.push currentFile
            else if stats.isDirectory()
              traverseFileSystem currentFile

  traverseFileSystem subdir for subdir in coffeeSubdirs

  console.log "#{appFiles.length} coffee files found."
  console.log (appFiles.join "\n").cyan
  return appFiles

task "watch", ->
    invoke "build"
    util.log "Watching for changes..."

    for file in appFiles then do (file) ->
        fs.watchFile file, (curr, prev) ->
            if +curr.mtime isnt +prev.mtime
                util.log "Saw change in #{file}"
                console.log "Whoa. Saw a change. Building. Hold plz.".red
                invoke "build"

task "build", ->
  invoke "coffeeFiles"
  appContents = new Array remaining = appFiles.length
  for file, index in appFiles then do (file, index) ->
    exec "coffee --compile #{file}"
  console.log "Build complete.".yellow