Hide worktree functionality on old git versions

pkg/commands/git.go

@@ -38,6 +38,7 @@ type GitCommand struct {
 	WorkingTree *git_commands.WorkingTreeCommands
 	Bisect      *git_commands.BisectCommands
 	Worktree    *git_commands.WorktreeCommands
+	Version     *git_commands.GitVersion
 
 	Loaders Loaders
 }
@@ -159,6 +160,7 @@ func NewGitCommandAux(
 		Bisect:      bisectCommands,
 		WorkingTree: workingTreeCommands,
 		Worktree:    worktreeCommands,
+		Version:     version,
 		Loaders: Loaders{
 			BranchLoader:       branchLoader,
 			CommitFileLoader:   commitFileLoader,

pkg/commands/git_commands/version.go

@@ -69,3 +69,7 @@ func (v *GitVersion) IsOlderThan(major, minor, patch int) bool {
 func (v *GitVersion) IsOlderThanVersion(version *GitVersion) bool {
 	return v.IsOlderThan(version.Major, version.Minor, version.Patch)
 }
+
+func (v *GitVersion) SupportsWorktrees() bool {
+	return !v.IsOlderThan(2, 5, 0)
+}

pkg/gui/controllers.go

@@ -242,16 +242,18 @@ func (gui *Gui) resetHelpersAndControllers() {
 		controllers.AttachControllers(context, controllers.NewBasicCommitsController(common, context))
 	}
 
-	for _, context := range []controllers.CanViewWorktreeOptions{
-		gui.State.Contexts.LocalCommits,
-		gui.State.Contexts.ReflogCommits,
-		gui.State.Contexts.SubCommits,
-		gui.State.Contexts.Stash,
-		gui.State.Contexts.Branches,
-		gui.State.Contexts.RemoteBranches,
-		gui.State.Contexts.Tags,
-	} {
-		controllers.AttachControllers(context, controllers.NewWorktreeOptionsController(common, context))
+	if gui.c.Git().Version.SupportsWorktrees() {
+		for _, context := range []controllers.CanViewWorktreeOptions{
+			gui.State.Contexts.LocalCommits,
+			gui.State.Contexts.ReflogCommits,
+			gui.State.Contexts.SubCommits,
+			gui.State.Contexts.Stash,
+			gui.State.Contexts.Branches,
+			gui.State.Contexts.RemoteBranches,
+			gui.State.Contexts.Tags,
+		} {
+			controllers.AttachControllers(context, controllers.NewWorktreeOptionsController(common, context))
+		}
 	}
 
 	controllers.AttachControllers(gui.State.Contexts.ReflogCommits,

pkg/gui/controllers/helpers/refresh_helper.go

@@ -598,6 +598,11 @@ func (self *RefreshHelper) refreshRemotes() error {
 }
 
 func (self *RefreshHelper) refreshWorktrees() error {
+	if !self.c.Git().Version.SupportsWorktrees() {
+		self.c.Model().Worktrees = []*models.Worktree{}
+		return nil
+	}
+
 	worktrees, err := self.c.Git().Loaders.Worktrees.GetWorktrees()
 	if err != nil {
 		return self.c.Error(err)

pkg/gui/gui.go

@@ -566,25 +566,32 @@ func (gui *Gui) initGocui(headless bool, test integrationTypes.IntegrationTest)
 }
 
 func (gui *Gui) viewTabMap() map[string][]context.TabView {
-	return map[string][]context.TabView{
-		"branches": {
-			{
-				Tab:      gui.c.Tr.LocalBranchesTitle,
-				ViewName: "localBranches",
-			},
-			{
-				Tab:      gui.c.Tr.RemotesTitle,
-				ViewName: "remotes",
-			},
-			{
-				Tab:      gui.c.Tr.TagsTitle,
-				ViewName: "tags",
-			},
-			{
+	branchesTabs := []context.TabView{
+		{
+			Tab:      gui.c.Tr.LocalBranchesTitle,
+			ViewName: "localBranches",
+		},
+		{
+			Tab:      gui.c.Tr.RemotesTitle,
+			ViewName: "remotes",
+		},
+		{
+			Tab:      gui.c.Tr.TagsTitle,
+			ViewName: "tags",
+		},
+	}
+
+	if gui.c.Git().Version.SupportsWorktrees() {
+		branchesTabs = append(branchesTabs,
+			context.TabView{
 				Tab:      gui.c.Tr.WorktreesTitle,
 				ViewName: "worktrees",
 			},
-		},
+		)
+	}
+
+	return map[string][]context.TabView{
+		"branches": branchesTabs,
 		"commits": {
 			{
 				Tab:      gui.c.Tr.CommitsTitle,