Allow amending the head commit during interactive rebase

pkg/gui/controllers/local_commits_controller.go

@@ -445,6 +445,13 @@ func (self *LocalCommitsController) moveUp(commit *models.Commit) error {
 }
 
 func (self *LocalCommitsController) amendTo(commit *models.Commit) error {
+	if self.isHeadCommit() {
+		if err := self.helpers.AmendHelper.AmendHead(); err != nil {
+			return err
+		}
+		return self.c.Refresh(types.RefreshOptions{Mode: types.ASYNC})
+	}
+
 	return self.c.Confirm(types.ConfirmOpts{
 		Title:  self.c.Tr.AmendCommitTitle,
 		Prompt: self.c.Tr.AmendCommitPrompt,

pkg/integration/tests/interactive_rebase/amend_head_commit_during_rebase.go

@@ -0,0 +1,59 @@
+package interactive_rebase
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var AmendHeadCommitDuringRebase = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Amends the current head commit from the commits panel during a rebase.",
+	ExtraCmdArgs: "",
+	Skip:         false,
+	SetupConfig:  func(config *config.AppConfig) {},
+	SetupRepo: func(shell *Shell) {
+		shell.CreateNCommits(3)
+	},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		t.Views().Commits().
+			Focus().
+			Lines(
+				Contains("commit 03"),
+				Contains("commit 02"),
+				Contains("commit 01"),
+			).
+			NavigateToLine(Contains("commit 02")).
+			Press(keys.Universal.Edit).
+			Lines(
+				Contains("commit 03"),
+				Contains("<-- YOU ARE HERE --- commit 02").IsSelected(),
+				Contains("commit 01"),
+			)
+
+		t.Shell().CreateFile("fixup-file", "fixup content")
+		t.Views().Files().
+			Focus().
+			Press(keys.Files.RefreshFiles).
+			Lines(
+				Contains("??").Contains("fixup-file").IsSelected(),
+			).
+			PressPrimaryAction()
+
+		t.Views().Commits().
+			Focus().
+			Press(keys.Commits.AmendToCommit).
+			Tap(func() {
+				t.ExpectPopup().Confirmation().
+					Title(Equals("Amend Last Commit")).
+					Content(Contains("Are you sure you want to amend last commit?")).
+					Confirm()
+			}).
+			Lines(
+				Contains("commit 03"),
+				Contains("<-- YOU ARE HERE --- commit 02").IsSelected(),
+				Contains("commit 01"),
+			)
+
+		t.Views().Main().
+			Content(Contains("fixup content"))
+	},
+})

pkg/integration/tests/interactive_rebase/amend_merge.go

@@ -42,8 +42,8 @@ var AmendMerge = NewIntegrationTest(NewIntegrationTestArgs{
 			Press(keys.Commits.AmendToCommit)
 
 		t.ExpectPopup().Confirmation().
-			Title(Equals("Amend Commit")).
+			Title(Equals("Amend Last Commit")).
-			Content(Contains("Are you sure you want to amend this commit with your staged files?")).
+			Content(Contains("Are you sure you want to amend last commit?")).
 			Confirm()
 
 		// assuring we haven't added a brand new commit

pkg/integration/tests/test_list.go

@@ -82,6 +82,7 @@ var tests = []*components.IntegrationTest{
 	filter_by_path.SelectFile,
 	filter_by_path.TypeFile,
 	interactive_rebase.AmendFirstCommit,
+	interactive_rebase.AmendHeadCommitDuringRebase,
 	interactive_rebase.AmendMerge,
 	interactive_rebase.EditFirstCommit,
 	interactive_rebase.EditNonTodoCommitDuringRebase,