Added directory walking

README.md

@@ -24,6 +24,7 @@ Options
        -m/--modules <module>   limit the modules to build (array: -m foo -m bar)
        --lint [preferred|defaults|strict] (preferred is the default) lint mode: https://github.com/yui/yui-lint
        --strict                add "use strict" to module wrapper
+       --walk                  Walk the current directory and shift all builds. (cd yui3/src && shifter --walk)
 
 Usage
 -----

lib/args.js

@@ -5,9 +5,11 @@ var nopt = require('nopt'),
         help: Boolean,
         strict: Boolean,
         modules: Array,
+        walk: Boolean,
         lint: [ 'defaults', 'strict', 'preferred' ]
     },
     shorts = {
+        "w": ["--walk"],
         "mods" : ["--modules"],
         "v" : ["--version"],
         "h" : ["--help"],

lib/help.js

@@ -17,6 +17,7 @@ if (args.help) {
     console.log('   -m/--modules <module>   limit the modules to build (array: -m foo -m bar)');
     console.log('   --lint [preferred|defaults|strict] (preferred is the default) lint mode: https://github.com/yui/yui-lint');
     console.log('   --strict                add "use strict" to module wrapper');
+    console.log('   --walk                  Walk the current directory and shift all builds. (cd yui3/src && shifter --walk)');
 }
 
 process.exit(0);

lib/index.js

@@ -20,7 +20,9 @@ exports.init = function() {
     }
 
     log.info('revving up');
-    log.info('looking for build.json file');
+    if (!options.walk) {
+        log.info('looking for build.json file');
+    }
     var buildFile = path.join(process.cwd(), 'build.json');
     exists(buildFile, function(yes) {
         if (yes) {
@@ -40,11 +42,16 @@ exports.init = function() {
                 log.error('hitting the brakes, your build.json file is invalid, please fix it!');
             }
         } else {
-            log.warn('no build.json file, downshifting to convert ant files');
-            var ant = require('./ant');
-            ant.process(function() {
-                exports.init();
-            });
+            if (options.walk) {
+                var walk = require('./walk');
+                walk.run();
+            } else {
+                log.warn('no build.json file, downshifting to convert ant files');
+                var ant = require('./ant');
+                ant.process(function() {
+                    exports.init();
+                });
+            }
         }
     });
 };

lib/walk.js

@@ -0,0 +1,72 @@
+
+var log = require('./log'),
+    Stack = require('./stack').Stack,
+    timer = require('./timer'),
+    fs = require('fs'),
+    path = require('path'),
+    spawn = require('child_process').spawn,
+    exists = fs.exists || path.exists;
+
+exports.run = function() {
+    log.info('racing the directories');
+    var modStack = new Stack(),
+        start = new Date(),
+        mods = [];
+
+    fs.readdir(process.cwd(), modStack.add(function(err, dirs) {
+        dirs.forEach(function(mod) {
+            var p = path.join(process.cwd(), mod);
+            exists(path.join(p, 'build.json'), modStack.add(function(yes) {
+                if (yes) {
+                    mods.push(mod);
+                } else {
+                    exists(path.join(p, 'build.xml'), modStack.add(function(yes) {
+                        if (yes) {
+                            mods.push(mod);
+                        }
+                    }));
+                }
+            }));
+        });
+    }));
+
+    modStack.done(function() {
+        if (!mods.length) {
+            log.error('no modules found, hitting the brakes.');
+        }
+        log.info('found ' + mods.length + ' modules to race, let\'s do this');
+        log.warn('this will be quiet, only status will be emitted for speed. failed builds will print after');
+        var stack = new Stack(),
+            errors = [];
+
+        var run = function() {
+            var mod = mods.pop();
+            if (mod) {
+                var child = spawn('shifter', [], {
+                    cwd: path.join(process.cwd(), mod),
+                    stdio: ['ignore', 'ignore', process.stderr]
+                });
+                child.on('exit', stack.add(function(code) {
+                    process.stdout.write((code ? '!'.red : '.'.white));
+                    if (code) {
+                        errors.push(mod);
+                    }
+                    run();
+                }));
+            }
+        };
+
+        run();
+
+        stack.done(function() {
+            console.log('');
+            var end = new Date();
+            log.info('done racing, the gears are toast');
+            log.info('finished in ' + timer.calc(start, end) + ', pretty fast huh?');
+            if (errors.length) {
+                log.warn('the following builds exited with a 1');
+                console.log(errors.join(', '));
+            }
+        });
+    });
+};