Merge pull request #2585 from stefanhaller/only-use-empty-arg-when-av…

…ailable

pkg/commands/git_commands/rebase.go

@@ -181,12 +181,18 @@ func (self *RebaseCommands) PrepareInteractiveRebaseCommand(opts PrepareInteract
 		debug = "TRUE"
 	}
 
+	emptyArg := " --empty=keep"
+	if self.version.IsOlderThan(2, 26, 0) {
+		emptyArg = ""
+	}
+
 	rebaseMergesArg := " --rebase-merges"
 	if self.version.IsOlderThan(2, 22, 0) {
 		rebaseMergesArg = ""
 	}
-	cmdStr := fmt.Sprintf("git rebase --interactive --autostash --keep-empty --empty=keep --no-autosquash%s %s",
-		rebaseMergesArg, opts.baseShaOrRoot)
+
+	cmdStr := fmt.Sprintf("git rebase --interactive --autostash --keep-empty%s --no-autosquash%s %s",
+		emptyArg, rebaseMergesArg, opts.baseShaOrRoot)
 	self.Log.WithField("command", cmdStr).Debug("RunCommand")
 
 	cmdObj := self.cmd.New(cmdStr)

pkg/commands/git_commands/rebase_test.go

@@ -16,37 +16,60 @@ import (
 
 func TestRebaseRebaseBranch(t *testing.T) {
 	type scenario struct {
-		testName string
-		arg      string
-		runner   *oscommands.FakeCmdObjRunner
-		test     func(error)
+		testName   string
+		arg        string
+		gitVersion *GitVersion
+		runner     *oscommands.FakeCmdObjRunner
+		test       func(error)
 	}
 
 	scenarios := []scenario{
 		{
-			testName: "successful rebase",
-			arg:      "master",
+			testName:   "successful rebase",
+			arg:        "master",
+			gitVersion: &GitVersion{2, 26, 0, ""},
 			runner: oscommands.NewFakeRunner(t).
-				Expect(`git rebase --interactive --autostash --keep-empty --empty=keep --no-autosquash master`, "", nil),
+				Expect(`git rebase --interactive --autostash --keep-empty --empty=keep --no-autosquash --rebase-merges master`, "", nil),
 			test: func(err error) {
 				assert.NoError(t, err)
 			},
 		},
 		{
-			testName: "unsuccessful rebase",
-			arg:      "master",
+			testName:   "unsuccessful rebase",
+			arg:        "master",
+			gitVersion: &GitVersion{2, 26, 0, ""},
 			runner: oscommands.NewFakeRunner(t).
-				Expect(`git rebase --interactive --autostash --keep-empty --empty=keep --no-autosquash master`, "", errors.New("error")),
+				Expect(`git rebase --interactive --autostash --keep-empty --empty=keep --no-autosquash --rebase-merges master`, "", errors.New("error")),
 			test: func(err error) {
 				assert.Error(t, err)
 			},
 		},
+		{
+			testName:   "successful rebase (< 2.26.0)",
+			arg:        "master",
+			gitVersion: &GitVersion{2, 25, 5, ""},
+			runner: oscommands.NewFakeRunner(t).
+				Expect(`git rebase --interactive --autostash --keep-empty --no-autosquash --rebase-merges master`, "", nil),
+			test: func(err error) {
+				assert.NoError(t, err)
+			},
+		},
+		{
+			testName:   "successful rebase (< 2.22.0)",
+			arg:        "master",
+			gitVersion: &GitVersion{2, 21, 9, ""},
+			runner: oscommands.NewFakeRunner(t).
+				Expect(`git rebase --interactive --autostash --keep-empty --no-autosquash master`, "", nil),
+			test: func(err error) {
+				assert.NoError(t, err)
+			},
+		},
 	}
 
 	for _, s := range scenarios {
 		s := s
 		t.Run(s.testName, func(t *testing.T) {
-			instance := buildRebaseCommands(commonDeps{runner: s.runner})
+			instance := buildRebaseCommands(commonDeps{runner: s.runner, gitVersion: s.gitVersion})
 			s.test(instance.RebaseBranch(s.arg))
 		})
 	}
@@ -126,7 +149,7 @@ func TestRebaseDiscardOldFileChanges(t *testing.T) {
 			commitIndex: 0,
 			fileName:    "test999.txt",
 			runner: oscommands.NewFakeRunner(t).
-				Expect(`git rebase --interactive --autostash --keep-empty --empty=keep --no-autosquash abcdef`, "", nil).
+				Expect(`git rebase --interactive --autostash --keep-empty --empty=keep --no-autosquash --rebase-merges abcdef`, "", nil).
 				Expect(`git cat-file -e HEAD^:"test999.txt"`, "", nil).
 				Expect(`git checkout HEAD^ -- "test999.txt"`, "", nil).
 				Expect(`git commit --amend --no-edit --allow-empty`, "", nil).
@@ -143,8 +166,9 @@ func TestRebaseDiscardOldFileChanges(t *testing.T) {
 		s := s
 		t.Run(s.testName, func(t *testing.T) {
 			instance := buildRebaseCommands(commonDeps{
-				runner:    s.runner,
-				gitConfig: git_config.NewFakeGitConfig(s.gitConfigMockResponses),
+				runner:     s.runner,
+				gitVersion: &GitVersion{2, 26, 0, ""},
+				gitConfig:  git_config.NewFakeGitConfig(s.gitConfigMockResponses),
 			})
 
 			s.test(instance.DiscardOldFileChanges(s.commits, s.commitIndex, s.fileName))

pkg/integration/components/test.go

@@ -60,7 +60,7 @@ type GitVersionRestriction struct {
 }
 
 // Verifies the version is at least the given version (inclusive)
-func From(version string) GitVersionRestriction {
+func AtLeast(version string) GitVersionRestriction {
 	return GitVersionRestriction{from: version}
 }
 

pkg/integration/components/test_test.go

@@ -96,18 +96,18 @@ func TestGitVersionRestriction(t *testing.T) {
 		expectedShouldRun bool
 	}{
 		{
-			testName:          "From, current is newer",
-			gitVersion:        From("2.24.9"),
+			testName:          "AtLeast, current is newer",
+			gitVersion:        AtLeast("2.24.9"),
 			expectedShouldRun: true,
 		},
 		{
-			testName:          "From, current is same",
-			gitVersion:        From("2.25.0"),
+			testName:          "AtLeast, current is same",
+			gitVersion:        AtLeast("2.25.0"),
 			expectedShouldRun: true,
 		},
 		{
-			testName:          "From, current is older",
-			gitVersion:        From("2.26.0"),
+			testName:          "AtLeast, current is older",
+			gitVersion:        AtLeast("2.26.0"),
 			expectedShouldRun: false,
 		},
 		{

pkg/integration/tests/interactive_rebase/drop_todo_commit_with_update_ref.go

@@ -9,7 +9,7 @@ var DropTodoCommitWithUpdateRef = NewIntegrationTest(NewIntegrationTestArgs{
 	Description:  "Drops a commit during interactive rebase when there is an update-ref in the git-rebase-todo file",
 	ExtraCmdArgs: "",
 	Skip:         false,
-	GitVersion:   From("2.38.0"),
+	GitVersion:   AtLeast("2.38.0"),
 	SetupConfig:  func(config *config.AppConfig) {},
 	SetupRepo: func(shell *Shell) {
 		shell.

pkg/integration/tests/interactive_rebase/drop_todo_commit_with_update_ref_show_branch_heads.go

@@ -9,7 +9,7 @@ var DropTodoCommitWithUpdateRefShowBranchHeads = NewIntegrationTest(NewIntegrati
 	Description:  "Drops a commit during interactive rebase when there is an update-ref in the git-rebase-todo file (with experimentalShowBranchHeads on)",
 	ExtraCmdArgs: "",
 	Skip:         false,
-	GitVersion:   From("2.38.0"),
+	GitVersion:   AtLeast("2.38.0"),
 	SetupConfig: func(config *config.AppConfig) {
 		config.UserConfig.Gui.ExperimentalShowBranchHeads = true
 	},

pkg/integration/tests/patch_building/move_to_earlier_commit.go

@@ -9,6 +9,7 @@ var MoveToEarlierCommit = NewIntegrationTest(NewIntegrationTestArgs{
 	Description:  "Move a patch from a commit to an earlier commit",
 	ExtraCmdArgs: "",
 	Skip:         false,
+	GitVersion:   AtLeast("2.26.0"),
 	SetupConfig:  func(config *config.AppConfig) {},
 	SetupRepo: func(shell *Shell) {
 		shell.CreateDir("dir")

pkg/integration/tests/patch_building/move_to_earlier_commit_no_keep_empty.go

@@ -0,0 +1,77 @@
+package patch_building
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var MoveToEarlierCommitNoKeepEmpty = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Move a patch from a commit to an earlier commit, for older git versions that don't keep the empty commit",
+	ExtraCmdArgs: "",
+	Skip:         false,
+	GitVersion:   Before("2.26.0"),
+	SetupConfig:  func(config *config.AppConfig) {},
+	SetupRepo: func(shell *Shell) {
+		shell.CreateDir("dir")
+		shell.CreateFileAndAdd("dir/file1", "file1 content")
+		shell.CreateFileAndAdd("dir/file2", "file2 content")
+		shell.Commit("first commit")
+
+		shell.CreateFileAndAdd("unrelated-file", "")
+		shell.Commit("destination commit")
+
+		shell.UpdateFileAndAdd("dir/file1", "file1 content with old changes")
+		shell.DeleteFileAndAdd("dir/file2")
+		shell.CreateFileAndAdd("dir/file3", "file3 content")
+		shell.Commit("commit to move from")
+	},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		t.Views().Commits().
+			Focus().
+			Lines(
+				Contains("commit to move from").IsSelected(),
+				Contains("destination commit"),
+				Contains("first commit"),
+			).
+			PressEnter()
+
+		t.Views().CommitFiles().
+			IsFocused().
+			Lines(
+				Contains("dir").IsSelected(),
+				Contains("  M file1"),
+				Contains("  D file2"),
+				Contains("  A file3"),
+			).
+			PressPrimaryAction().
+			PressEscape()
+
+		t.Views().Information().Content(Contains("building patch"))
+
+		t.Views().Commits().
+			IsFocused().
+			SelectNextItem()
+
+		t.Common().SelectPatchOption(Contains("move patch to selected commit"))
+
+		t.Views().Commits().
+			IsFocused().
+			Lines(
+				Contains("destination commit"),
+				Contains("first commit").IsSelected(),
+			).
+			SelectPreviousItem().
+			PressEnter()
+
+		t.Views().CommitFiles().
+			IsFocused().
+			Lines(
+				Contains("dir").IsSelected(),
+				Contains("  M file1"),
+				Contains("  D file2"),
+				Contains("  A file3"),
+				Contains("A unrelated-file"),
+			).
+			PressEscape()
+	},
+})

pkg/integration/tests/test_list.go

@@ -117,6 +117,7 @@ var tests = []*components.IntegrationTest{
 	patch_building.ApplyInReverseWithConflict,
 	patch_building.CopyPatchToClipboard,
 	patch_building.MoveToEarlierCommit,
+	patch_building.MoveToEarlierCommitNoKeepEmpty,
 	patch_building.MoveToIndex,
 	patch_building.MoveToIndexPartOfAdjacentAddedLines,
 	patch_building.MoveToIndexPartial,