Tests for --settings, and also Nick's review comments

admin/cli-test.sh

@@ -120,7 +120,25 @@ kill $METEOR_PID
 ps ax | grep -e "$MONGOMARK" | grep -v grep | awk '{print $1}' | xargs kill
 
 
+echo "... settings"
 
+cat > settings.json <<EOF
+{ "foo" : "bar",
+  "baz" : "quux"
+}
+EOF
+
+cat > settings.js <<EOF
+if (Meteor.isServer) {
+  Meteor.startup(function () {
+    if (!Meteor.settings) process.exit(1);
+    if (Meteor.settings.foo !== "bar") process.exit(1);
+    process.exit(0);
+  });
+}
+EOF
+
+$METEOR -p $PORT --settings='settings.json' --once > /dev/null
 
 # XXX more tests here!
 

app/meteor/meteor.js

@@ -83,6 +83,20 @@ var findCommand = function (name) {
   process.exit(1);
 };
 
+var getSettings = function (filename) {
+  var str;
+  try {
+    str = fs.readFileSync(filename);
+  } catch (e) {
+    throw new Error("Could not find settings file " + argv.settings);
+  }
+  if (str.length > 0x10000) {
+    throw new Error("Settings file must be less than 64 KB long");
+  }
+  JSON.parse(str);
+  return str;
+};
+
 // XXX when the pass unexpected argument or unrecognized flags, print
 // an error and fail out
 
@@ -101,9 +115,9 @@ Commands.push({
       .describe('debug', 'Run in debug mode for node-inspector')
       .boolean('debug-brk')
       .describe('debug-brk', 'Run in debug mode and break on first line')
-      .describe('settings', 'Make the given JSON file\'s contents available in Meteor.settings')
+      .describe('settings', 'Set Meteor.settings to the contents of a JSON file; takes the filename as an argument')
       .boolean('once')
-      .describe('once',  'Only run the project once, and return whatever exit code it returned.')
+      .describe('once',  'Disable automatic reloading.  Only run the server once')
       .usage(
 "Usage: meteor run [options]\n" +
 "\n" +
@@ -125,13 +139,8 @@ Commands.push({
       process.stdout.write(opt.help());
       process.exit(1);
     }
-    if (argv.settings) {
-      try {
-        settings = fs.readFileSync(argv.settings);
-      } catch (e) {
-        process.stdout.write("Could not file settings file " + argv.settings + "\n");
-        process.exit(1);
-      }
+    if (new_argv.settings) {
+      settings = getSettings(new_argv.settings);
     }
 
     var app_dir = path.resolve(require_project("run", true)); // app or package

app/meteor/run.js

@@ -19,18 +19,16 @@ var _ = require(path.join(__dirname, '..', 'lib', 'third', 'underscore.js'));
 // list of log objects from the child process.
 var server_log = [];
 
-// port that mongo is running on
-
 var Status = {
   running: false, // is server running now?
   crashing: false, // does server crash whenever we start it?
   listening: false, // do we expect the server to be listening now.
   counter: 0, // how many crashes in rapid succession
-  code: 0,
-  shouldRestart: true,
-  shuttingDown: false,
+  code: 0, // exit code last returned
+  shouldRestart: true, // true if we should be restarting the server
+  shuttingDown: false, // true if we're on the way to shutting down the server
 
-  justCrash : function () {
+  exitNow : function () {
     var self = this;
     log_to_clients({'exit': "Your application is exiting."});
     self.shuttingDown = true;
@@ -49,7 +47,7 @@ var Status = {
   hard_crashed: function () {
     var self = this;
     if (!self.shouldRestart) {
-      self.justCrash();
+      self.exitNow();
       return;
     }
     log_to_clients({'exit': "Your application is crashing. Waiting for file change."});
@@ -59,7 +57,7 @@ var Status = {
   soft_crashed: function () {
     var self = this;
     if (!self.shouldRestart) {
-      self.justCrash();
+      self.exitNow();
       return;
     }
     if (this.counter === 0)
@@ -554,6 +552,8 @@ exports.run = function (app_dir, bundle_opts, port, once, settings, dbg) {
   var watcher;
 
   var start_watching = function () {
+    if (!Status.shouldRestart)
+      return;
     if (deps_info) {
       if (watcher)
         watcher.destroy();

packages/meteor/server_environment.js

@@ -4,10 +4,9 @@ Meteor = {
 };
 
 try {
-  Meteor.settings = JSON.parse(process.env.METEOR_SETTINGS);
+  if (process.env.METEOR_SETTINGS)
+    Meteor.settings = JSON.parse(process.env.METEOR_SETTINGS);
 } catch (e) {
-  // If the settings aren't JSON, just treat them as a string, or
-  // undefined, or whatever they are.
-  Meteor.settings = process.env.METEOR_SETTINGS;
+  throw new Error("Settings are not valid JSON");
 }