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https://github.com/massgravel/Microsoft-Activation-Scripts.git
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99 lines
3.3 KiB
Plaintext
99 lines
3.3 KiB
Plaintext
CAKE.COFFEE
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¶
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cake is a simplified version of Make (Rake, Jake) for CoffeeScript. You define tasks with names and descriptions in a Cakefile, and can call them from the command line, or invoke them from other tasks.
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Running cake with no arguments will print out a list of all the tasks in the current directory's Cakefile.
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External dependencies.
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fs = require 'fs'
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path = require 'path'
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helpers = require './helpers'
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optparse = require './optparse'
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CoffeeScript = require './coffee-script'
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existsSync = fs.existsSync or path.existsSync
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¶
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Keep track of the list of defined tasks, the accepted options, and so on.
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tasks = {}
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options = {}
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switches = []
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oparse = null
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¶
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Mixin the top-level Cake functions for Cakefiles to use directly.
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helpers.extend global,
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¶
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Define a Cake task with a short name, an optional sentence description, and the function to run as the action itself.
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task: (name, description, action) ->
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[action, description] = [description, action] unless action
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tasks[name] = {name, description, action}
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¶
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Define an option that the Cakefile accepts. The parsed options hash, containing all of the command-line options passed, will be made available as the first argument to the action.
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option: (letter, flag, description) ->
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switches.push [letter, flag, description]
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¶
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Invoke another task in the current Cakefile.
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invoke: (name, cb) ->
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missingTask name unless tasks[name]
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tasks[name].action options
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¶
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Run cake. Executes all of the tasks you pass, in order. Note that Node's asynchrony may cause tasks to execute in a different order than you'd expect. If no tasks are passed, print the help screen. Keep a reference to the original directory name, when running Cake tasks from subdirectories.
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exports.run = (cb) ->
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global.__originalDirname = fs.realpathSync '.'
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process.chdir cakefileDirectory __originalDirname
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args = process.argv[2..]
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CoffeeScript.run fs.readFileSync('Cakefile').toString(), filename: 'Cakefile'
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oparse = new optparse.OptionParser switches
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return printTasks() unless args.length
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try
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options = oparse.parse(args)
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catch e
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return fatalError "#{e}"
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invoke arg for arg in options.arguments
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¶
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Display the list of Cake tasks in a format similar to rake -T
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printTasks = ->
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relative = path.relative or path.resolve
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cakefilePath = path.join relative(__originalDirname, process.cwd()), 'Cakefile'
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console.log "#{cakefilePath} defines the following tasks:\n"
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for name, task of tasks
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spaces = 20 - name.length
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spaces = if spaces > 0 then Array(spaces + 1).join(' ') else ''
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desc = if task.description then "# #{task.description}" else ''
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console.log "cake #{name}#{spaces} #{desc}"
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console.log oparse.help() if switches.length
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¶
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Print an error and exit when attempting to use an invalid task/option.
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fatalError = (message) ->
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console.error message + '\n'
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console.log 'To see a list of all tasks/options, run "cake"'
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process.exit 1
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missingTask = (task) -> fatalError "No such task: #{task}"
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¶
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When cake is invoked, search in the current and all parent directories to find the relevant Cakefile.
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cakefileDirectory = (dir) ->
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return dir if existsSync path.join dir, 'Cakefile'
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parent = path.normalize path.join dir, '..'
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return cakefileDirectory parent unless parent is dir
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throw new Error "Cakefile not found in #{process.cwd()}"
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