Made no-ff look nice in graph

Author: JakeGinnivan

js/historyview.js

@@ -92,6 +92,13 @@ define(['d3'], function () {
         }
 
         branchIndex = branches.indexOf(commit.id);
+		
+		if (commit.isNoFFBranch === true) {
+			branchIndex++;
+		}
+		if (commit.isNoFFCommit === true) {
+			branchIndex--;
+		}
 
         if (parentCY === baseLine) {
             var direction = 1;
@@ -951,7 +958,16 @@ define(['d3'], function () {
                 throw new Error('Already up-to-date.');
             } else if (currentCommit.parent2 === mergeTarget.id) {
                 throw new Error('Already up-to-date.');
-            } else if (this.isAncestor(currentCommit, mergeTarget) && noFF !== true) {
+			} else if (noFF === true) {
+				var branchStartCommit = this.getCommit(mergeTarget.parent);
+				while (branchStartCommit.parent !== currentCommit.id) {
+					branchStartCommit = this.getCommit(branchStartCommit.parent);
+				}
+				
+				branchStartCommit.isNoFFBranch = true;
+				
+                this.commit({parent2: mergeTarget.id, isNoFFCommit: true});
+            } else if (this.isAncestor(currentCommit, mergeTarget)) {
                 this.fastForward(mergeTarget);
                 return 'Fast-Forward';
             } else {