make.js

arturadib · arturadib · commit d93c4d102254 · 2012-03-02T15:11:40.000-05:00
diff --git a/README.md b/README.md
@@ -4,6 +4,7 @@ Shell.js is a portable (Windows included) implementation of Unix shell commands
 
 The project is both [unit-tested](http://travis-ci.org/arturadib/shell.js) and battle-tested at Mozilla's [pdf.js](http://github.com/mozilla/pdf.js).
 
+
 ### Example
 
 ```javascript
@@ -80,6 +81,15 @@ target.docs = function() {
 
 To run the target `all`, call the above script without arguments: `$ node make`. To run the target `docs`: `$ node make docs`, and so on.
 
+### Installing
+
+Via npm:
+
+```bash
+$ npm install shelljs
+```
+
+Or simply copy `shell.js` into your project's directory, and `require()` accordingly.
 
 
 <!-- 
@@ -89,7 +99,7 @@ To run the target `all`, call the above script without arguments: `$ node make`.
 -->
 
 
-# Command reference
+# Commands reference
 
 
 All commands run synchronously, unless otherwise stated.
diff --git a/make.js b/make.js
@@ -0,0 +1,46 @@
+require('./global');
+
+global.target = {};
+
+// This ensures we only execute the script targets after the entire script has
+// been evaluated
+var args = process.argv.slice(2);
+setTimeout(function() {
+
+  if (args.length === 1 && args[0] === '--help') {
+    console.log('Available targets:');
+    for (t in target)
+      console.log('  ' + t);
+    return;
+  }
+
+  // Wrap targets to prevent duplicate execution
+  for (t in target) {
+    (function(t, oldTarget){
+
+      // Wrap it
+      target[t] = function(force) {
+        if (oldTarget.done && !force)
+          return;
+        oldTarget.done = true;
+        return oldTarget(arguments);
+      }
+
+    })(t, target[t]);
+  }
+
+  // Execute desired targets
+  if (args.length > 0) {
+    args.forEach(function(arg) {
+      if (arg in target) 
+        target[arg]();
+      else {
+        log('no such target: ' + arg);
+        exit(1);
+      }
+    });
+  } else if ('all' in target) {
+    target.all();
+  }
+
+}, 0);
diff --git a/scripts/docs.js b/scripts/docs.js
@@ -10,6 +10,6 @@ var docs = grep('//@', 'shell.js');
 // Remove '//@'
 docs = docs.replace(/\/\/\@ */g, '');
 // Append docs to README
-sed('-i', /# Command reference(.|\n)*/, '# Command reference\n\n' + docs, 'README.md');
+sed('-i', /# Commands reference(.|\n)*/, '# Commands reference\n\n' + docs, 'README.md');
 
 echo('All done.');
