correctly disable commit button

newRepo.go

@@ -103,7 +103,7 @@ func (r *RepoList) AddRepo(pb *gitpb.Repo) (*RepoRow, error) {
 		newRepo.Status.Toggle()
 	})
 
-	newRepo.endBox.NewButton("show diff", func() {
+	newRepo.diff = newRepo.endBox.NewButton("show diff", func() {
 		r.reposbox.Disable()
 		log.Log(WARN, "show diff currentName =", newRepo.currentName.String())
 		log.Log(WARN, "show diff masterVersion =", newRepo.masterVersion.String())

scan.go

@@ -72,8 +72,15 @@ func (r *RepoRow) Update() int {
 
 	// disable the commit button if the repo is not on the user branch
 	if pb.GetCurrentBranchName() == pb.GetUserBranchName() {
-		r.commitB.Enable()
+		if r.pb.GetState() == "dirty" {
+			r.diff.Enable()
+			r.commitB.Enable()
+		} else {
+			r.diff.Disable()
+			r.commitB.Disable()
+		}
 	} else {
+		r.diff.Disable()
 		r.commitB.Disable()
 	}
 

structs.go

@@ -62,5 +62,6 @@ type RepoRow struct {
 	statusButton   *gui.Node              // opens up the status window
 	diffButton     *gui.Node              // opens up the status window
 	Status         *repostatus.RepoStatus // todo: move that code here?
+	diff           *gui.Node              // the git diff button
 	commitB        *gui.Node              // the git commit button
 }