Remove IO logic from presentation code for worktrees

We're doing all the IO in our workers loader method so that we don't need to do any
in our presentation code

pkg/commands/git_commands/file_loader.go

@@ -65,7 +65,7 @@ func (self *FileLoader) GetStatusFiles(opts GetStatusFileOptions) []*models.File
 		files = append(files, file)
 	}
 
-	// Go through the worktrees to see if any of these files are actually worktrees
+	// Go through the files to see if any of these files are actually worktrees
 	// so that we can render them correctly
 	worktreePaths := linkedWortkreePaths()
 	for _, file := range files {

pkg/commands/git_commands/worktree.go

@@ -1,7 +1,6 @@
 package git_commands
 
 import (
-	"errors"
 	"io/fs"
 	"log"
 	"os"
@@ -59,36 +58,6 @@ func (self *WorktreeCommands) Detach(worktreePath string) error {
 	return self.cmd.New(cmdArgs).Run()
 }
 
-func (self *WorktreeCommands) IsCurrentWorktree(path string) bool {
-	return IsCurrentWorktree(path)
-}
-
-func IsCurrentWorktree(path string) bool {
-	pwd, err := os.Getwd()
-	if err != nil {
-		return false
-	}
-
-	return EqualPath(pwd, path)
-}
-
-func (self *WorktreeCommands) IsWorktreePathMissing(path string) bool {
-	if _, err := os.Stat(path); err != nil {
-		if errors.Is(err, fs.ErrNotExist) {
-			return true
-		}
-		self.Log.Errorf("failed to check if worktree path `%s` exists\n%v", path, err)
-		return false
-	}
-	return false
-}
-
-// checks if two paths are equal
-// TODO: support relative paths
-func EqualPath(a string, b string) bool {
-	return a == b
-}
-
 func WorktreeForBranch(branch *models.Branch, worktrees []*models.Worktree) (*models.Worktree, bool) {
 	for _, worktree := range worktrees {
 		if worktree.Branch == branch.Name {
@@ -105,7 +74,7 @@ func CheckedOutByOtherWorktree(branch *models.Branch, worktrees []*models.Worktr
 		return false
 	}
 
-	return !IsCurrentWorktree(worktree.Path)
+	return !worktree.IsCurrent
 }
 
 // If in a non-bare repo, this returns the path of the main worktree

pkg/commands/git_commands/worktree_loader.go

@@ -1,10 +1,12 @@
 package git_commands
 
 import (
+	"io/fs"
 	"os"
 	"path/filepath"
 	"strings"
 
+	"github.com/go-errors/errors"
 	"github.com/jesseduffield/lazygit/pkg/commands/models"
 	"github.com/jesseduffield/lazygit/pkg/commands/oscommands"
 	"github.com/jesseduffield/lazygit/pkg/common"
@@ -30,6 +32,11 @@ func NewWorktreeLoader(
 func (self *WorktreeLoader) GetWorktrees() ([]*models.Worktree, error) {
 	currentRepoPath := GetCurrentRepoPath()
 
+	pwd, err := os.Getwd()
+	if err != nil {
+		return nil, err
+	}
+
 	cmdArgs := NewGitCmd("worktree").Arg("list", "--porcelain").ToArgv()
 	worktreesOutput, err := self.cmd.New(cmdArgs).DontLog().RunWithOutput()
 	if err != nil {
@@ -54,6 +61,8 @@ func (self *WorktreeLoader) GetWorktrees() ([]*models.Worktree, error) {
 		if strings.HasPrefix(splitLine, "worktree ") {
 			path := strings.SplitN(splitLine, " ", 2)[1]
 			isMain := path == currentRepoPath
+			isCurrent := path == pwd
+			isPathMissing := self.pathExists(path)
 
 			var gitDir string
 			if isMain {
@@ -67,7 +76,9 @@ func (self *WorktreeLoader) GetWorktrees() ([]*models.Worktree, error) {
 			}
 
 			current = &models.Worktree{
-				IsMain: path == currentRepoPath,
+				IsMain:        isMain,
+				IsCurrent:     isCurrent,
+				IsPathMissing: isPathMissing,
 				Path:          path,
 				GitDir:        gitDir,
 			}
@@ -85,14 +96,9 @@ func (self *WorktreeLoader) GetWorktrees() ([]*models.Worktree, error) {
 		worktree.NameField = names[index]
 	}
 
-	pwd, err := os.Getwd()
-	if err != nil {
-		return nil, err
-	}
-
 	// move current worktree to the top
 	for i, worktree := range worktrees {
-		if EqualPath(worktree.Path, pwd) {
+		if worktree.IsCurrent {
 			worktrees = append(worktrees[:i], worktrees[i+1:]...)
 			worktrees = append([]*models.Worktree{worktree}, worktrees...)
 			break
@@ -130,6 +136,17 @@ func (self *WorktreeLoader) GetWorktrees() ([]*models.Worktree, error) {
 	return worktrees, nil
 }
 
+func (self *WorktreeLoader) pathExists(path string) bool {
+	if _, err := os.Stat(path); err != nil {
+		if errors.Is(err, fs.ErrNotExist) {
+			return true
+		}
+		self.Log.Errorf("failed to check if worktree path `%s` exists\n%v", path, err)
+		return false
+	}
+	return false
+}
+
 func rebaseBranch(worktree *models.Worktree) (string, bool) {
 	for _, dir := range []string{"rebase-merge", "rebase-apply"} {
 		if bytesContent, err := os.ReadFile(filepath.Join(worktree.GitDir, dir, "head-name")); err == nil {

pkg/commands/models/worktree.go

@@ -4,8 +4,12 @@ package models
 type Worktree struct {
 	// if false, this is a linked worktree
 	IsMain bool
+	// if true, this is the worktree that is currently checked out
+	IsCurrent bool
 	// path to the directory of the worktree i.e. the directory that contains all the user's files
 	Path string
+	// if true, the path is not found
+	IsPathMissing bool
 	// path of the git directory for this worktree. The equivalent of the .git directory
 	// in the main worktree. For linked worktrees this would be <repo_path>/.git/worktrees/<name>
 	GitDir string
@@ -39,3 +43,11 @@ func (w *Worktree) Name() string {
 func (w *Worktree) Main() bool {
 	return w.IsMain
 }
+
+func (w *Worktree) Current() bool {
+	return w.IsCurrent
+}
+
+func (w *Worktree) PathMissing() bool {
+	return w.IsPathMissing
+}

pkg/gui/context/worktrees_context.go

@@ -25,8 +25,6 @@ func NewWorktreesContext(c *ContextCommon) *WorktreesContext {
 		return presentation.GetWorktreeDisplayStrings(
 			c.Tr,
 			viewModel.GetFilteredList(),
-			c.Git().Worktree.IsCurrentWorktree,
-			c.Git().Worktree.IsWorktreePathMissing,
 		)
 	}
 

pkg/gui/controllers/branches_controller.go

@@ -203,7 +203,7 @@ func (self *BranchesController) press(selectedBranch *models.Branch) error {
 	}
 
 	worktreeForRef, ok := self.worktreeForBranch(selectedBranch)
-	if ok && !self.c.Git().Worktree.IsCurrentWorktree(worktreeForRef.Path) {
+	if ok && !worktreeForRef.Current() {
 		return self.promptToCheckoutWorktree(worktreeForRef)
 	}
 
@@ -220,7 +220,7 @@ func (self *BranchesController) promptToCheckoutWorktree(worktree *models.Worktr
 		Title:  "Switch to worktree",
 		Prompt: fmt.Sprintf("This branch is checked out by worktree %s. Do you want to switch to that worktree?", worktree.Name()),
 		HandleConfirm: func() error {
-			return self.c.Helpers().Worktree.Switch(worktree.Path, context.LOCAL_BRANCHES_CONTEXT_KEY)
+			return self.c.Helpers().Worktree.Switch(worktree, context.LOCAL_BRANCHES_CONTEXT_KEY)
 		},
 	})
 }
@@ -342,7 +342,7 @@ func (self *BranchesController) promptWorktreeBranchDelete(selectedBranch *model
 			{
 				Label: "Switch to worktree",
 				OnPress: func() error {
-					return self.c.Helpers().Worktree.Switch(worktree.Path, context.LOCAL_BRANCHES_CONTEXT_KEY)
+					return self.c.Helpers().Worktree.Switch(worktree, context.LOCAL_BRANCHES_CONTEXT_KEY)
 				},
 			},
 			{
@@ -432,7 +432,7 @@ func (self *BranchesController) fastForward(branch *models.Branch) error {
 
 			worktreeGitDir := ""
 			// if it is the current worktree path, no need to specify the path
-			if !git_commands.IsCurrentWorktree(worktree.Path) {
+			if !worktree.Current() {
 				worktreeGitDir = worktree.GitDir
 			}
 

pkg/gui/controllers/helpers/worktree_helper.go

@@ -1,9 +1,6 @@
 package helpers
 
 import (
-	"errors"
-	"io/fs"
-	"os"
 	"strings"
 
 	"github.com/jesseduffield/gocui"
@@ -61,27 +58,6 @@ func (self *WorktreeHelper) GetLinkedWorktreeName() string {
 	return currentWorktree.Name()
 }
 
-func (self *WorktreeHelper) IsCurrentWorktree(w *models.Worktree) bool {
-	pwd, err := os.Getwd()
-	if err != nil {
-		self.c.Log.Errorf("failed to obtain current working directory: %v", err)
-		return false
-	}
-
-	return pwd == w.Path
-}
-
-func (self *WorktreeHelper) IsWorktreePathMissing(w *models.Worktree) bool {
-	if _, err := os.Stat(w.Path); err != nil {
-		if errors.Is(err, fs.ErrNotExist) {
-			return true
-		}
-		self.c.Log.Errorf("failed to check if worktree path `%s` exists: %v", w.Path, err)
-		return false
-	}
-	return false
-}
-
 func (self *WorktreeHelper) NewWorktree() error {
 	branch := self.refsHelper.GetCheckedOutRef()
 	currentBranchName := branch.RefName()
@@ -132,7 +108,8 @@ func (self *WorktreeHelper) NewWorktreeCheckout(base string, canCheckoutBase boo
 			if err := self.c.Git().Worktree.New(opts); err != nil {
 				return err
 			}
-			return self.Switch(opts.Path, contextKey)
+
+			return self.reposHelper.DispatchSwitchTo(opts.Path, self.c.Tr.ErrWorktreeMovedOrRemoved, contextKey)
 		})
 	}
 
@@ -175,14 +152,14 @@ func (self *WorktreeHelper) NewWorktreeCheckout(base string, canCheckoutBase boo
 	})
 }
 
-func (self *WorktreeHelper) Switch(path string, contextKey types.ContextKey) error {
+func (self *WorktreeHelper) Switch(worktree *models.Worktree, contextKey types.ContextKey) error {
-	if self.c.Git().Worktree.IsCurrentWorktree(path) {
+	if worktree.Current() {
 		return self.c.ErrorMsg(self.c.Tr.AlreadyInWorktree)
 	}
 
 	self.c.LogAction(self.c.Tr.SwitchToWorktree)
 
-	return self.reposHelper.DispatchSwitchTo(path, self.c.Tr.ErrWorktreeMovedOrRemoved, contextKey)
+	return self.reposHelper.DispatchSwitchTo(worktree.Path, self.c.Tr.ErrWorktreeMovedOrRemoved, contextKey)
 }
 
 func (self *WorktreeHelper) Remove(worktree *models.Worktree, force bool) error {

pkg/gui/controllers/worktrees_controller.go

@@ -72,7 +72,7 @@ func (self *WorktreesController) GetOnRenderToMain() func() error {
 			}
 
 			missing := ""
-			if self.c.Git().Worktree.IsWorktreePathMissing(worktree.Path) {
+			if worktree.PathMissing() {
 				missing = style.FgRed.Sprintf(" %s", self.c.Tr.MissingWorktree)
 			}
 
@@ -105,7 +105,7 @@ func (self *WorktreesController) remove(worktree *models.Worktree) error {
 		return self.c.ErrorMsg(self.c.Tr.CantDeleteMainWorktree)
 	}
 
-	if self.c.Git().Worktree.IsCurrentWorktree(worktree.Path) {
+	if worktree.Current() {
 		return self.c.ErrorMsg(self.c.Tr.CantDeleteCurrentWorktree)
 	}
 
@@ -117,7 +117,7 @@ func (self *WorktreesController) GetOnClick() func() error {
 }
 
 func (self *WorktreesController) enter(worktree *models.Worktree) error {
-	return self.c.Helpers().Worktree.Switch(worktree.Path, context.WORKTREES_CONTEXT_KEY)
+	return self.c.Helpers().Worktree.Switch(worktree, context.WORKTREES_CONTEXT_KEY)
 }
 
 func (self *WorktreesController) open(worktree *models.Worktree) error {

pkg/gui/presentation/worktrees.go

@@ -9,28 +9,26 @@ import (
 	"github.com/samber/lo"
 )
 
-func GetWorktreeDisplayStrings(tr *i18n.TranslationSet, worktrees []*models.Worktree, isCurrent func(string) bool, isMissing func(string) bool) [][]string {
+func GetWorktreeDisplayStrings(tr *i18n.TranslationSet, worktrees []*models.Worktree) [][]string {
 	return lo.Map(worktrees, func(worktree *models.Worktree, _ int) []string {
 		return GetWorktreeDisplayString(
 			tr,
-			isCurrent(worktree.Path),
-			isMissing(worktree.Path),
 			worktree)
 	})
 }
 
-func GetWorktreeDisplayString(tr *i18n.TranslationSet, isCurrent bool, isPathMissing bool, worktree *models.Worktree) []string {
+func GetWorktreeDisplayString(tr *i18n.TranslationSet, worktree *models.Worktree) []string {
 	textStyle := theme.DefaultTextColor
 
 	current := ""
 	currentColor := style.FgCyan
-	if isCurrent {
+	if worktree.Current() {
 		current = "  *"
 		currentColor = style.FgGreen
 	}
 
 	icon := icons.IconForWorktree(false)
-	if isPathMissing {
+	if worktree.PathMissing() {
 		textStyle = style.FgRed
 		icon = icons.IconForWorktree(true)
 	}
@@ -45,7 +43,7 @@ func GetWorktreeDisplayString(tr *i18n.TranslationSet, isCurrent bool, isPathMis
 	if worktree.Main() {
 		name += " " + tr.MainWorktree
 	}
-	if isPathMissing && !icons.IsIconEnabled() {
+	if worktree.PathMissing() && !icons.IsIconEnabled() {
 		name += " " + tr.MissingWorktree
 	}
 	res = append(res, textStyle.Sprint(name))