Allow user to filter the files view to only show untracked files

This handles the situation where the user's own config says to not show
untracked files, as is often the case with bare repos managing a user's
dotfiles.

pkg/commands/git_commands/file_loader.go

@@ -32,13 +32,17 @@ func NewFileLoader(gitCommon *GitCommon, cmd oscommands.ICmdObjBuilder, config F
 
 type GetStatusFileOptions struct {
 	NoRenames bool
+	// If true, we'll show untracked files even if the user has set the config to hide them.
+	// This is useful for users with bare repos for dotfiles who default to hiding untracked files,
+	// but want to occasionally see them to `git add` a new file.
+	ForceShowUntracked bool
 }
 
 func (self *FileLoader) GetStatusFiles(opts GetStatusFileOptions) []*models.File {
 	// check if config wants us ignoring untracked files
 	untrackedFilesSetting := self.config.GetShowUntrackedFiles()
 
-	if untrackedFilesSetting == "" {
+	if opts.ForceShowUntracked || untrackedFilesSetting == "" {
 		untrackedFilesSetting = "all"
 	}
 	untrackedFilesArg := fmt.Sprintf("--untracked-files=%s", untrackedFilesSetting)

pkg/gui/controllers/files_controller.go

@@ -777,6 +777,13 @@ func (self *FilesController) handleStatusFilterPressed() error {
 				},
 				Key: 't',
 			},
+			{
+				Label: self.c.Tr.FilterUntrackedFiles,
+				OnPress: func() error {
+					return self.setStatusFiltering(filetree.DisplayUntracked)
+				},
+				Key: 'T',
+			},
 			{
 				Label: self.c.Tr.ResetFilter,
 				OnPress: func() error {
@@ -789,9 +796,19 @@ func (self *FilesController) handleStatusFilterPressed() error {
 }
 
 func (self *FilesController) setStatusFiltering(filter filetree.FileTreeDisplayFilter) error {
+	previousFilter := self.context().GetFilter()
+
 	self.context().FileTreeViewModel.SetStatusFilter(filter)
-	self.c.PostRefreshUpdate(self.context())
-	return nil
+
+	// Whenever we switch between untracked and other filters, we need to refresh the files view
+	// because the untracked files filter applies when running `git status`.
+	if previousFilter != filter && (previousFilter == filetree.DisplayUntracked || filter == filetree.DisplayUntracked) {
+		return self.c.Refresh(types.RefreshOptions{Scope: []types.RefreshableView{types.FILES}, Mode: types.ASYNC})
+	} else {
+		self.c.PostRefreshUpdate(self.context())
+
+		return nil
+	}
 }
 
 func (self *FilesController) edit(nodes []*filetree.FileNode) error {

pkg/gui/controllers/helpers/refresh_helper.go

@@ -570,7 +570,9 @@ func (self *RefreshHelper) refreshStateFiles() error {
 	}
 
 	files := self.c.Git().Loaders.FileLoader.
-		GetStatusFiles(git_commands.GetStatusFileOptions{})
+		GetStatusFiles(git_commands.GetStatusFileOptions{
+			ForceShowUntracked: self.c.Contexts().Files.ForceShowUntracked(),
+		})
 
 	conflictFileCount := 0
 	for _, file := range files {

pkg/gui/filetree/file_tree.go

@@ -16,6 +16,7 @@ const (
 	DisplayStaged
 	DisplayUnstaged
 	DisplayTracked
+	DisplayUntracked
 	// this shows files with merge conflicts
 	DisplayConflicted
 )
@@ -40,6 +41,7 @@ type IFileTree interface {
 
 	FilterFiles(test func(*models.File) bool) []*models.File
 	SetStatusFilter(filter FileTreeDisplayFilter)
+	ForceShowUntracked() bool
 	Get(index int) *FileNode
 	GetFile(path string) *models.File
 	GetAllItems() []*FileNode
@@ -87,13 +89,19 @@ func (self *FileTree) getFilesForDisplay() []*models.File {
 		return self.FilterFiles(func(file *models.File) bool { return file.HasUnstagedChanges })
 	case DisplayTracked:
 		return self.FilterFiles(func(file *models.File) bool { return file.Tracked })
+	case DisplayUntracked:
+		return self.FilterFiles(func(file *models.File) bool { return !file.Tracked })
 	case DisplayConflicted:
 		return self.FilterFiles(func(file *models.File) bool { return file.HasMergeConflicts })
 	default:
 		panic(fmt.Sprintf("Unexpected files display filter: %d", self.filter))
 	}
 }
 
+func (self *FileTree) ForceShowUntracked() bool {
+	return self.filter == DisplayUntracked
+}
+
 func (self *FileTree) FilterFiles(test func(*models.File) bool) []*models.File {
 	return lo.Filter(self.getFiles(), func(file *models.File, _ int) bool { return test(file) })
 }

pkg/i18n/english.go

@@ -88,6 +88,7 @@ type TranslationSet struct {
 	FilterStagedFiles                     string
 	FilterUnstagedFiles                   string
 	FilterTrackedFiles                    string
+	FilterUntrackedFiles                  string
 	ResetFilter                           string
 	MergeConflictsTitle                   string
 	Checkout                              string
@@ -1113,6 +1114,7 @@ func EnglishTranslationSet() *TranslationSet {
 		FilterStagedFiles:                    "Show only staged files",
 		FilterUnstagedFiles:                  "Show only unstaged files",
 		FilterTrackedFiles:                   "Show only tracked files",
+		FilterUntrackedFiles:                 "Show only untracked files",
 		ResetFilter:                          "Reset filter",
 		NoChangedFiles:                       "No changed files",
 		SoftReset:                            "Soft reset",

pkg/integration/tests/filter_and_search/filter_by_file_status.go

@@ -0,0 +1,62 @@
+package filter_and_search
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var FilterByFileStatus = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Filtering to show untracked files in repo that hides them by default",
+	ExtraCmdArgs: []string{},
+	Skip:         false,
+	SetupConfig: func(config *config.AppConfig) {
+	},
+	SetupRepo: func(shell *Shell) {
+		// need to set untracked files to not be displayed in git config
+		shell.SetConfig("status.showUntrackedFiles", "no")
+
+		shell.CreateFileAndAdd("file-tracked", "foo")
+
+		shell.Commit("first commit")
+
+		shell.CreateFile("file-untracked", "bar")
+		shell.UpdateFile("file-tracked", "baz")
+	},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		t.Views().Files().
+			Focus().
+			Lines(
+				Contains(`file-tracked`).IsSelected(),
+			).
+			Press(keys.Files.OpenStatusFilter).
+			Tap(func() {
+				t.ExpectPopup().Menu().
+					Title(Equals("Filtering")).
+					Select(Contains("Show only untracked files")).
+					Confirm()
+			}).
+			Lines(
+				Contains(`file-untracked`).IsSelected(),
+			).
+			Press(keys.Files.OpenStatusFilter).
+			Tap(func() {
+				t.ExpectPopup().Menu().
+					Title(Equals("Filtering")).
+					Select(Contains("Show only tracked files")).
+					Confirm()
+			}).
+			Lines(
+				Contains(`file-tracked`).IsSelected(),
+			).
+			Press(keys.Files.OpenStatusFilter).
+			Tap(func() {
+				t.ExpectPopup().Menu().
+					Title(Equals("Filtering")).
+					Select(Contains("Reset filter")).
+					Confirm()
+			}).
+			Lines(
+				Contains(`file-tracked`).IsSelected(),
+			)
+	},
+})

pkg/integration/tests/test_list.go

@@ -186,6 +186,7 @@ var tests = []*components.IntegrationTest{
 	file.StageChildrenRangeSelect,
 	file.StageDeletedRangeSelect,
 	file.StageRangeSelect,
+	filter_and_search.FilterByFileStatus,
 	filter_and_search.FilterCommitFiles,
 	filter_and_search.FilterFiles,
 	filter_and_search.FilterFuzzy,