Allow rewording for last commit using GPG

pkg/commands/git_commands/commit.go

@@ -117,15 +117,13 @@ func (self *CommitCommands) CommitInEditorWithMessageFileCmdObj(tmpMessageFile s
 }
 
 // RewordLastCommit rewords the topmost commit with the given message
-func (self *CommitCommands) RewordLastCommit(summary string, description string) error {
+func (self *CommitCommands) RewordLastCommit(summary string, description string) oscommands.ICmdObj {
 	messageArgs := self.commitMessageArgs(summary, description)
 
-	cmdArgs := NewGitCmd("commit").
+	return self.cmd.New(NewGitCmd("commit").
 		Arg("--allow-empty", "--amend", "--only").
 		Arg(messageArgs...).
-		ToArgv()
-
-	return self.cmd.New(cmdArgs).Run()
+		ToArgv())
 }
 
 func (self *CommitCommands) commitMessageArgs(summary string, description string) []string {

pkg/commands/git_commands/rebase.go

@@ -41,7 +41,7 @@ func (self *RebaseCommands) RewordCommit(commits []*models.Commit, index int, su
 
 	if models.IsHeadCommit(commits, index) {
 		// we've selected the top commit so no rebase is required
-		return self.commit.RewordLastCommit(summary, description)
+		return self.commit.RewordLastCommit(summary, description).Run()
 	}
 
 	err := self.BeginInteractiveRebaseForCommit(commits, index, false)
@@ -50,7 +50,7 @@ func (self *RebaseCommands) RewordCommit(commits []*models.Commit, index int, su
 	}
 
 	// now the selected commit should be our head so we'll amend it with the new message
-	err = self.commit.RewordLastCommit(summary, description)
+	err = self.commit.RewordLastCommit(summary, description).Run()
 	if err != nil {
 		return err
 	}

pkg/gui/controllers/local_commits_controller.go

@@ -400,7 +400,18 @@ func (self *LocalCommitsController) switchFromCommitMessagePanelToEditor(filepat
 }
 
 func (self *LocalCommitsController) handleReword(summary string, description string) error {
-	err := self.c.Git().Rebase.RewordCommit(self.c.Model().Commits, self.c.Contexts().LocalCommits.GetSelectedLineIdx(), summary, description)
+	var err error = nil
+
+	if models.IsHeadCommit(self.c.Model().Commits, self.c.Contexts().LocalCommits.GetSelectedLineIdx()) {
+		// we've selected the top commit so no rebase is required
+		err = self.c.Helpers().GPG.WithGpgHandling(self.c.Git().Commit.RewordLastCommit(summary, description),
+			self.c.Tr.CommittingStatus, func() error {
+				return nil
+			})
+	} else {
+		err = self.c.Git().Rebase.RewordCommit(self.c.Model().Commits, self.c.Contexts().LocalCommits.GetSelectedLineIdx(), summary, description)
+	}
+
 	if err != nil {
 		return err
 	}