[FeatureRequest] git push --force beta Resolves #185

src/js/git/commands.js

@@ -674,6 +674,9 @@ var commandConfig = {
 
   push: {
     regex: /^git +push($|\s)/,
+    options: [
+      '--force'
+    ],
     execute: function(engine, command) {
       if (!engine.hasOrigin()) {
         throw new GitError({
@@ -685,6 +688,7 @@ var commandConfig = {
       var destination;
       var source;
       var sourceObj;
+      var commandOptions = command.getOptionsMap();
 
       // git push is pretty complex in terms of
       // the arguments it wants as well... get ready!
@@ -737,7 +741,8 @@ var commandConfig = {
         // NOTE -- very important! destination and source here
         // are always, always strings. very important :D
         destination: destination,
-        source: source
+        source: source,
+        force: !!commandOptions['--force']
       });
     }
   },

src/js/git/index.js

@@ -1062,13 +1062,15 @@ GitEngine.prototype.push = function(options) {
   var sourceLocation = this.resolveID(options.source || 'HEAD');
 
   // first check if this is even allowed by checking the sync between
-  this.checkUpstreamOfSource(
-    this,
-    this.origin,
-    branchOnRemote,
-    sourceLocation,
-    intl.str('git-error-origin-push-no-ff')
-  );
+  if (!options.force) {
+    this.checkUpstreamOfSource(
+      this,
+      this.origin,
+      branchOnRemote,
+      sourceLocation,
+      intl.str('git-error-origin-push-no-ff')
+    );
+  }
 
   var commitsToMake = this.getTargetGraphDifference(
     this.origin,