Support deleting items from the custom commands history

In the custom commands panel you can now tab to the suggestions and hit 'd' to
delete items from there. Useful if you mistyped a command and don't want it to
appear in your history any more.

pkg/gui/context/suggestions_context.go

@@ -14,10 +14,11 @@ type SuggestionsContext struct {
 }
 
 type SuggestionsContextState struct {
-	Suggestions  []*types.Suggestion
-	OnConfirm    func() error
-	OnClose      func() error
-	AsyncHandler *tasks.AsyncHandler
+	Suggestions        []*types.Suggestion
+	OnConfirm          func() error
+	OnClose            func() error
+	OnDeleteSuggestion func() error
+	AsyncHandler       *tasks.AsyncHandler
 
 	// FindSuggestions will take a string that the user has typed into a prompt
 	// and return a slice of suggestions which match that string.

pkg/gui/controllers/custom_command_action.go

@@ -1,6 +1,7 @@
 package controllers
 
 import (
+	"slices"
 	"strings"
 
 	"github.com/jesseduffield/lazygit/pkg/gui/controllers/helpers"
@@ -32,13 +33,34 @@ func (self *CustomCommandAction) Call() error {
 				self.c.OS().Cmd.NewShell(command),
 			)
 		},
+		HandleDeleteSuggestion: func(index int) error {
+			// index is the index in the _filtered_ list of suggestions, so we
+			// need to map it back to the full list. There's no really good way
+			// to do this, but fortunately we keep the items in the
+			// CustomCommandsHistory unique, which allows us to simply search
+			// for it by string.
+			item := self.c.Contexts().Suggestions.GetItems()[index].Value
+			fullIndex := lo.IndexOf(self.c.GetAppState().CustomCommandsHistory, item)
+			if fullIndex == -1 {
+				// Should never happen, but better be safe
+				return nil
+			}
+
+			self.c.GetAppState().CustomCommandsHistory = slices.Delete(
+				self.c.GetAppState().CustomCommandsHistory, fullIndex, fullIndex+1)
+			self.c.SaveAppStateAndLogError()
+			self.c.Contexts().Suggestions.RefreshSuggestions()
+			return nil
+		},
 	})
 }
 
 func (self *CustomCommandAction) GetCustomCommandsHistorySuggestionsFunc() func(string) []*types.Suggestion {
-	history := self.c.GetAppState().CustomCommandsHistory
+	return func(input string) []*types.Suggestion {
+		history := self.c.GetAppState().CustomCommandsHistory
 
-	return helpers.FilterFunc(history, self.c.UserConfig.Gui.UseFuzzySearch())
+		return helpers.FilterFunc(history, self.c.UserConfig.Gui.UseFuzzySearch())(input)
+	}
 }
 
 // this mimics the shell functionality `ignorespace`

pkg/gui/controllers/helpers/confirmation_helper.go

@@ -270,10 +270,20 @@ func (self *ConfirmationHelper) setKeyBindings(cancel goContext.CancelFunc, opts
 
 	onClose := self.wrappedConfirmationFunction(cancel, opts.HandleClose)
 
+	onDeleteSuggestion := func() error {
+		if opts.HandleDeleteSuggestion == nil {
+			return nil
+		}
+
+		idx := self.c.Contexts().Suggestions.GetSelectedLineIdx()
+		return opts.HandleDeleteSuggestion(idx)
+	}
+
 	self.c.Contexts().Confirmation.State.OnConfirm = onConfirm
 	self.c.Contexts().Confirmation.State.OnClose = onClose
 	self.c.Contexts().Suggestions.State.OnConfirm = onSuggestionConfirm
 	self.c.Contexts().Suggestions.State.OnClose = onClose
+	self.c.Contexts().Suggestions.State.OnDeleteSuggestion = onDeleteSuggestion
 
 	return nil
 }
@@ -284,6 +294,7 @@ func (self *ConfirmationHelper) clearConfirmationViewKeyBindings() {
 	self.c.Contexts().Confirmation.State.OnClose = noop
 	self.c.Contexts().Suggestions.State.OnConfirm = noop
 	self.c.Contexts().Suggestions.State.OnClose = noop
+	self.c.Contexts().Suggestions.State.OnDeleteSuggestion = noop
 }
 
 func (self *ConfirmationHelper) getSelectedSuggestionValue() string {

pkg/gui/controllers/suggestions_controller.go

@@ -43,6 +43,12 @@ func (self *SuggestionsController) GetKeybindings(opts types.KeybindingsOpts) []
 			Key:     opts.GetKey(opts.Config.Universal.TogglePanel),
 			Handler: func() error { return self.c.ReplaceContext(self.c.Contexts().Confirmation) },
 		},
+		{
+			Key: opts.GetKey(opts.Config.Universal.Remove),
+			Handler: func() error {
+				return self.context().State.OnDeleteSuggestion()
+			},
+		},
 	}
 
 	return bindings

pkg/gui/popup/popup_handler.go

@@ -104,13 +104,14 @@ func (self *PopupHandler) Confirm(opts types.ConfirmOpts) error {
 
 func (self *PopupHandler) Prompt(opts types.PromptOpts) error {
 	return self.createPopupPanelFn(context.Background(), types.CreatePopupPanelOpts{
-		Title:               opts.Title,
-		Prompt:              opts.InitialContent,
-		Editable:            true,
-		HandleConfirmPrompt: opts.HandleConfirm,
-		HandleClose:         opts.HandleClose,
-		FindSuggestionsFunc: opts.FindSuggestionsFunc,
-		Mask:                opts.Mask,
+		Title:                  opts.Title,
+		Prompt:                 opts.InitialContent,
+		Editable:               true,
+		HandleConfirmPrompt:    opts.HandleConfirm,
+		HandleClose:            opts.HandleClose,
+		HandleDeleteSuggestion: opts.HandleDeleteSuggestion,
+		FindSuggestionsFunc:    opts.FindSuggestionsFunc,
+		Mask:                   opts.Mask,
 	})
 }
 

pkg/gui/types/common.go

@@ -165,13 +165,14 @@ type CreateMenuOptions struct {
 }
 
 type CreatePopupPanelOpts struct {
-	HasLoader           bool
-	Editable            bool
-	Title               string
-	Prompt              string
-	HandleConfirm       func() error
-	HandleConfirmPrompt func(string) error
-	HandleClose         func() error
+	HasLoader              bool
+	Editable               bool
+	Title                  string
+	Prompt                 string
+	HandleConfirm          func() error
+	HandleConfirmPrompt    func(string) error
+	HandleClose            func() error
+	HandleDeleteSuggestion func(int) error
 
 	FindSuggestionsFunc func(string) []*Suggestion
 	Mask                bool
@@ -193,8 +194,9 @@ type PromptOpts struct {
 	FindSuggestionsFunc func(string) []*Suggestion
 	HandleConfirm       func(string) error
 	// CAPTURE THIS
-	HandleClose func() error
-	Mask        bool
+	HandleClose            func() error
+	HandleDeleteSuggestion func(int) error
+	Mask                   bool
 }
 
 type MenuSection struct {

pkg/integration/components/prompt_driver.go

@@ -82,3 +82,12 @@ func (self *PromptDriver) ConfirmSuggestion(matcher *TextMatcher) {
 		NavigateToLine(matcher).
 		PressEnter()
 }
+
+func (self *PromptDriver) DeleteSuggestion(matcher *TextMatcher) *PromptDriver {
+	self.t.press(self.t.keys.Universal.TogglePanel)
+	self.t.Views().Suggestions().
+		IsFocused().
+		NavigateToLine(matcher)
+	self.t.press(self.t.keys.Universal.Remove)
+	return self
+}

pkg/integration/tests/custom_commands/delete_from_history.go

@@ -0,0 +1,41 @@
+package custom_commands
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var DeleteFromHistory = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Delete an entry from the custom commands history",
+	ExtraCmdArgs: []string{},
+	Skip:         false,
+	SetupRepo:    func(shell *Shell) {},
+	SetupConfig:  func(cfg *config.AppConfig) {},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		createCustomCommand := func(command string) {
+			t.GlobalPress(keys.Universal.ExecuteCustomCommand)
+			t.ExpectPopup().Prompt().
+				Title(Equals("Custom command:")).
+				Type(command).
+				Confirm()
+		}
+
+		createCustomCommand("echo 1")
+		createCustomCommand("echo 2")
+		createCustomCommand("echo 3")
+
+		t.GlobalPress(keys.Universal.ExecuteCustomCommand)
+		t.ExpectPopup().Prompt().
+			Title(Equals("Custom command:")).
+			SuggestionLines(
+				Contains("3"),
+				Contains("2"),
+				Contains("1"),
+			).
+			DeleteSuggestion(Contains("2")).
+			SuggestionLines(
+				Contains("3"),
+				Contains("1"),
+			)
+	},
+})

pkg/integration/tests/test_list.go

@@ -105,6 +105,7 @@ var tests = []*components.IntegrationTest{
 	custom_commands.BasicCmdFromConfig,
 	custom_commands.CheckForConflicts,
 	custom_commands.ComplexCmdAtRuntime,
+	custom_commands.DeleteFromHistory,
 	custom_commands.FormPrompts,
 	custom_commands.History,
 	custom_commands.MenuFromCommand,