gah was forgetting origin assert

src/js/git/commands.js

@@ -72,6 +72,9 @@ var assertIsRemoteBranch = function(engine, ref) {
 };
 
 var assertOriginSpecified = function(generalArgs) {
+  if (!generalArgs.length) {
+    return;
+  }
   if (generalArgs[0] !== 'origin') {
     throw new GitError({
       msg: intl.todo(
@@ -208,7 +211,7 @@ var commandConfig = {
 
       var commandOptions = command.getOptionsMap();
       var generalArgs = command.getGeneralArgs();
-      command.twoArgsImpliedOrigin(generalArgs);
+      command.twoArgsForOrigin(generalArgs);
       assertOriginSpecified(generalArgs);
       // here is the deal -- git pull is pretty complex with
       // the arguments it wants. You can
@@ -331,7 +334,7 @@ var commandConfig = {
       var source;
       var destination;
       var generalArgs = command.getGeneralArgs();
-      command.twoArgsImpliedOrigin(generalArgs);
+      command.twoArgsForOrigin(generalArgs);
       assertOriginSpecified(generalArgs);
 
       var firstArg = generalArgs[1];
@@ -677,7 +680,7 @@ var commandConfig = {
       // git push is pretty complex in terms of
       // the arguments it wants as well... get ready!
       var generalArgs = command.getGeneralArgs();
-      command.twoArgsImpliedOrigin(generalArgs);
+      command.twoArgsForOrigin(generalArgs);
       assertOriginSpecified(generalArgs);
 
       var firstArg = generalArgs[1];

src/js/models/commandModel.js

@@ -140,11 +140,8 @@ var Command = Backbone.Model.extend({
     }
   },
 
-  twoArgsImpliedOrigin: function(args) {
+  twoArgsForOrigin: function(args) {
     this.validateArgBounds(args, 0, 2);
-    if (args.length < 2) {
-      args.unshift('origin');
-    }
   },
 
   // this is a little utility class to help arg validation that happens over and over again

src/levels/index.js

@@ -42,7 +42,8 @@ exports.levelSequences = {
     require('./remote/tracking').level,
     require('./remote/pushArgs').level,
     require('./remote/pushArgs2').level,
-    require('./remote/fetchArgs').level
+    require('./remote/fetchArgs').level,
+    require('./remote/sourceNothing').level
   ]
 };
 

src/levels/remote/sourceNothing.js

@@ -0,0 +1,66 @@
+exports.level = {
+  "goalTreeString": "{\"branches\":{\"master\":{\"target\":\"C1\",\"id\":\"master\",\"remoteTrackingBranchID\":\"o/master\"},\"o/master\":{\"target\":\"C1\",\"id\":\"o/master\",\"remoteTrackingBranchID\":null},\"bar\":{\"target\":\"C1\",\"id\":\"bar\",\"remoteTrackingBranchID\":null}},\"commits\":{\"C0\":{\"parents\":[],\"id\":\"C0\",\"rootCommit\":true},\"C1\":{\"parents\":[\"C0\"],\"id\":\"C1\"}},\"HEAD\":{\"target\":\"master\",\"id\":\"HEAD\"},\"originTree\":{\"branches\":{\"master\":{\"target\":\"C1\",\"id\":\"master\",\"remoteTrackingBranchID\":null}},\"commits\":{\"C0\":{\"parents\":[],\"id\":\"C0\",\"rootCommit\":true},\"C1\":{\"parents\":[\"C0\"],\"id\":\"C1\"}},\"HEAD\":{\"target\":\"master\",\"id\":\"HEAD\"}}}",
+  "solutionCommand": "git push origin :foo;git fetch origin :bar",
+  "startTree": "{\"branches\":{\"master\":{\"target\":\"C1\",\"id\":\"master\",\"remoteTrackingBranchID\":\"o/master\"},\"o/master\":{\"target\":\"C1\",\"id\":\"o/master\",\"remoteTrackingBranchID\":null},\"o/foo\":{\"target\":\"C1\",\"id\":\"o/foo\",\"remoteTrackingBranchID\":null}},\"commits\":{\"C0\":{\"parents\":[],\"id\":\"C0\",\"rootCommit\":true},\"C1\":{\"parents\":[\"C0\"],\"id\":\"C1\"}},\"HEAD\":{\"target\":\"master\",\"id\":\"HEAD\"},\"originTree\":{\"branches\":{\"master\":{\"target\":\"C1\",\"id\":\"master\",\"remoteTrackingBranchID\":null},\"foo\":{\"target\":\"C1\",\"id\":\"foo\",\"remoteTrackingBranchID\":null}},\"commits\":{\"C0\":{\"parents\":[],\"id\":\"C0\",\"rootCommit\":true},\"C1\":{\"parents\":[\"C0\"],\"id\":\"C1\"}},\"HEAD\":{\"target\":\"master\",\"id\":\"HEAD\"}}}",
+  "name": {
+    "en_US": "Source of nothing"
+  },
+  "hint": {
+    "en_US": "The branch command is disabled for this level so you'll have to use fetch!"
+  },
+  "startDialog": {
+    "en_US": {
+      "childViews": [
+        {
+          "type": "ModalAlert",
+          "options": {
+            "markdowns": [
+              "### Oddities of `<source>`",
+              "",
+              "Git abuses the `<source>` parameter in two weird ways. These two abuses come from the fact that you can technically specify \"nothing\" as a valid `source` for both git push and git fetch. The way you specify nothing is via an empty argument:",
+              "",
+              "* `git push origin :side`",
+              "* `git fetch origin :bugFix`",
+              "",
+              "Let's see what these do..."
+            ]
+          }
+        },
+        {
+          "type": "GitDemonstrationView",
+          "options": {
+            "beforeMarkdowns": [
+              "What does pushing \"nothing\" to a remote branch do? It deletes it!"
+            ],
+            "afterMarkdowns": [
+              "There, we successfully deleted the `foo` branch on remote by pushing the concept of \"nothing\" to it. That kinda makes sense..."
+            ],
+            "command": "git push origin :foo",
+            "beforeCommand": "git clone; git push origin master:foo"
+          }
+        },
+        {
+          "type": "GitDemonstrationView",
+          "options": {
+            "beforeMarkdowns": [
+              "Finally, fetching \"nothing\" to a place locally actually makes a new branch"
+            ],
+            "afterMarkdowns": [
+              "Very odd / bizarre, but whatever. That's git for you!"
+            ],
+            "command": "git fetch origin :bar",
+            "beforeCommand": "git clone"
+          }
+        },
+        {
+          "type": "ModalAlert",
+          "options": {
+            "markdowns": [
+              "This is a quick level -- just delete one remote branch and create a new branch with `git fetch` to finish!"
+            ]
+          }
+        }
+      ]
+    }
+  }
+};