Add commit menu entry "Add co-author"

Author: 2KAbhishek

pkg/gui/controllers/helpers/commits_helper.go

@@ -194,6 +194,13 @@ func (self *CommitsHelper) commitMessageContexts() []types.Context {
 
 func (self *CommitsHelper) OpenCommitMenu(suggestionFunc func(string) []*types.Suggestion) error {
 	menuItems := []*types.MenuItem{
+		{
+			Label: self.c.Tr.AddCoAuthor,
+			OnPress: func() error {
+				return self.addCoAuthor(suggestionFunc)
+			},
+			Key: 'c',
+		},
 		{
 			Label: self.c.Tr.OpenInEditor,
 			OnPress: func() error {
@@ -207,3 +214,16 @@ func (self *CommitsHelper) OpenCommitMenu(suggestionFunc func(string) []*types.S
 		Items: menuItems,
 	})
 }
+
+func (self *CommitsHelper) addCoAuthor(suggestionFunc func(string) []*types.Suggestion) error {
+	return self.c.Prompt(types.PromptOpts{
+		Title:               self.c.Tr.AddCoAuthorPromptTitle,
+		FindSuggestionsFunc: suggestionFunc,
+		HandleConfirm: func(value string) error {
+			commitMessage := self.JoinCommitMessageAndDescription()
+			coAuthorString := commitMessage + "\nCo-authored-by: " + value
+			self.SetMessageAndDescriptionInView(coAuthorString)
+			return nil
+		},
+	})
+}