- die if you use --release in a checkout

- don't run calculateReleaseVersion twice for test-packages
- DTRT for test-packages in a checkout

lib/meteor.js

@@ -71,7 +71,17 @@ Fiber(function () {
   // returns the release version to use (for certain commands). if we
   // are in an app, reads '.meteor/release'. otherwise, the latest
   // found in the warehouse, or null if warehouse has no releases
+  var releaseVersion = null;
   var calculateReleaseVersion = function (argv) {
+    if (files.in_checkout()) {
+      if (argv.release) {
+        console.error("Cannot specify --release when running meteor from a git checkout.");
+        process.exit(1);
+      }
+      // There is no release in a git checkout.
+      return null;
+    }
+
     // If a release was specified explicitly on the command line, that's the one
     // to use.
     if (argv.release)
@@ -181,30 +191,22 @@ Fiber(function () {
         process.exit(1);
       }
 
-      var releaseVersion = calculateReleaseVersion(new_argv);
-
       var testPackages;
       if (new_argv["package-dir"]) {
         var packageDir = path.resolve(new_argv["package-dir"], "."); // strips trailing path.sep
         // was important to strip trailing path.sep, otherwise we'd get a package named "foo/"
         var packageName = path.basename(packageDir);
         testPackages = [packages.loadFromDir(packageName, packageDir)];
+      } else if (new_argv._[1]) {
+        testPackages = new_argv._[1].split(',');
+      } else if (files.in_checkout()) {
+        testPackages = _.keys(packages.list());
+      } else if (releaseVersion) {
+        var releaseManifest = warehouse.releaseManifestByVersion(releaseVersion);
+        testPackages = _.keys(packages.list(releaseManifest));
       } else {
-        if (new_argv._[1]) {
-          testPackages = new_argv._[1].split(',');
-        } else {
-          if (releaseVersion) {
-            var releaseManifest = warehouse.releaseManifestByVersion(releaseVersion);
-            testPackages = _.keys(packages.list(releaseManifest));
-          } else {
-            if (files.in_checkout()) {
-              testPackages = _.keys(packages.list());
-            } else {
-              process.stdout.write("Please specify a release version.");
-              process.exit(1);
-            }
-          }
-        }
+        process.stdout.write("Please specify a release version.");
+        process.exit(1);
       }
 
       var bundleOptions = {
@@ -715,7 +717,7 @@ Fiber(function () {
   // engine corresponding to that release is the same as the one
   // we're running. If not, springboard to the right engine (after
   // having fetched it to the local warehouse)
-  var engineSpringboard = function (releaseVersion) {
+  var engineSpringboard = function () {
     var releaseManifest = warehouse.releaseManifestByVersion(releaseVersion);
     if (releaseManifest.engine === files.getEngineVersion())
       return;
@@ -741,12 +743,12 @@ Fiber(function () {
 
     var argv = optimist.argv;
 
-    var releaseVersion = calculateReleaseVersion(argv);
+    releaseVersion = calculateReleaseVersion(argv);
 
     // if we're not running the correct engine, fetch it and
     // re-run. if this is a git checkout, always run it.
     if (!files.in_checkout())
-      engineSpringboard(releaseVersion);
+      engineSpringboard();
 
     if (argv.help) {
       argv._.splice(0, 0, "help");