Publish Vulpes Preview 15 sources for desktop, Android and Tundra

Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.

gaia/build/rebuild.js

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+'use strict';
+
+var utils = require('./utils');
+var config = require('./config/build-config.json');
+
+function getTimestamp(dirPaths) {
+  let timestamp = {};
+
+  dirPaths.forEach(function(dirPath) {
+    timestamp[dirPath] = {};
+    let dir = utils.getFile(dirPath);
+    if (dir.exists() && dir.isDirectory()) {
+      utils.ls(dir, true).filter(isFileWatched).forEach(function(file) {
+        try {
+          let relativePath = utils.relativePath(dir.path, file.path);
+          timestamp[dirPath][relativePath] = file.lastModifiedTime;
+        } catch(e) {
+          timestamp = Date.now();
+        }
+      });
+    }
+  });
+  return timestamp;
+}
+
+function isFileWatched(file) {
+  let path = file.path;
+  let ignores = [];
+  let result = true;
+
+  // Ignore all hidden files (ex: .filename)
+  if (/^\.\S+|\/\.\S+$/.test(path)) {
+    return false;
+  }
+
+  config.rebuildBlacklist.forEach(function(pattern) {
+    ignores.push(pattern);
+  });
+
+  ignores.forEach(function(pattern) {
+    if (path.indexOf(pattern) !== -1) {
+      result = false;
+      return;
+    }
+  });
+  return result;
+}
+
+function dirChanged(previous, current, dir) {
+  for (let filepath in current) {
+    if (!previous[filepath] || current[filepath] > previous[filepath]) {
+      utils.log('rebuild', 'file has been changed: ' + dir + '/' + filepath);
+      return true;
+    }
+  }
+  return false;
+}
+
+function buildConfigChanged(previous, current) {
+  if (current.REBUILD == 1) {
+    utils.log('rebuild', 'rebuild forced by use of special env like' +
+      'LOCALE_BASEDIR, GAIA_DISTRIBUTION_DIR or REBUILD');
+    return true;
+  }
+
+  let flags = [];
+
+  // We don't detect FLAGS in blacklist because we don't have to rebuild again
+  // if someone specifies them.
+  let blacklist = ['REBUILD', 'P', 'VERBOSE'];
+
+  for (let flag in current) {
+    if (blacklist.indexOf(flag) === -1 && current[flag] !== previous[flag]) {
+      flags.push(flag);
+    }
+  }
+
+  if (flags.length > 0) {
+    utils.log('rebuild', 'build config has been changed: ' + flags.join(', '));
+  }
+
+  return flags.length > 0;
+}
+
+exports.execute = function(options) {
+  var scanningDirs = options.GAIA_APPDIRS.split(' ');
+  var sharedPath = utils.getFile(options.GAIA_DIR, 'shared').path;
+  scanningDirs.push(sharedPath);
+  var current = getTimestamp(scanningDirs);
+  var timestampFile = utils.getFile(options.STAGE_DIR, 'timestamp.json');
+  var rebuildAppDirs = [];
+
+  if (timestampFile.exists()) {
+    let record = utils.getJSON(timestampFile);
+    let previous = record.timestamp;
+    let sharedChanged =
+      dirChanged(previous[sharedPath] || {}, current[sharedPath], sharedPath);
+    let configChanged =
+      buildConfigChanged(record.build_config, options);
+    let webappDir = utils.joinPath(options.PROFILE_DIR, 'webapps');
+    let webappsExist = utils.fileExists(webappDir);
+
+    // Rebuild everything if any BUILD_CONFIG attribute / shared file changed or
+    // PROFILE_DIR/webapps does not exist
+    if (configChanged || sharedChanged || !webappsExist) {
+      rebuildAppDirs = scanningDirs;
+    }
+    // Rebuild any app that has any of its source file modified or external app
+    else {
+      for (let appDir in current) {
+        if (dirChanged(previous[appDir] || {}, current[appDir], appDir)) {
+          rebuildAppDirs.push(appDir);
+        }
+      }
+
+      // Force rebuilding all apps with custom build.js file or unpakcage
+      // external apps which are always named by random uuid
+      // These uuid apps may clean up later in bug 1020259
+      scanningDirs.forEach(function(appDir) {
+        if (rebuildAppDirs.indexOf(appDir) !== -1 || appDir === sharedPath) {
+          return;
+        }
+        var buildFile = utils.getFile(appDir, 'build', 'build.js');
+        var webapp = utils.getWebapp(appDir, options);
+        if (!webapp) {
+          // Some leftover folders may still be in source tree,
+          // without any valid app, like apps/browser that has been removed.
+          return;
+        }
+
+        if (buildFile.exists() ||
+            (utils.isExternalApp(webapp) && !webapp.pckManifest) ||
+            !utils.fileExists(webapp.profileDirectoryFilePath)) {
+          rebuildAppDirs.push(appDir);
+        }
+      });
+    }
+  } else {
+    rebuildAppDirs = scanningDirs;
+  }
+
+  utils.writeContent(timestampFile, JSON.stringify({
+    build_config: options,
+    timestamp: current
+  }, null, 2));
+
+  utils.log('rebuild', 'rebuildAppDirs: ' + JSON.stringify(rebuildAppDirs));
+  return rebuildAppDirs;
+};
+
+exports.getTimestamp = getTimestamp;
+exports.isFileWatched = isFileWatched;
+exports.dirChanged = dirChanged;
+exports.buildConfigChanged = buildConfigChanged;