Add disabled compat for user config (#2833)

Treat <disabled> setting as equivalent to "null"
in keybindings user configs.

Author: karimkhaleel

docs/Config.md

@@ -163,7 +163,7 @@ keybinding:
     jumpToBlock: ['1', '2', '3', '4', '5'] # goto the Nth block / panel
     nextMatch: 'n'
     prevMatch: 'N'
-    optionMenu: null # show help menu
+    optionMenu: <disabled> # show help menu
     optionMenu-alt1: '?' # show help menu
     select: '<space>'
     goInto: '<enter>'
@@ -462,12 +462,12 @@ Supported versions are "2" and "3". The deprecated config `showIcons` sets the v
 
 For all possible keybinding options, check [Custom_Keybindings.md](https://github.com/jesseduffield/lazygit/blob/master/docs/keybindings/Custom_Keybindings.md)
 
-You can disable certain key bindings by specifying `null`.
+You can disable certain key bindings by specifying `<disabled>`.
 
 ```yaml
 keybinding:
   universal:
-    edit: null # disable 'edit file'
+    edit: <disabled> # disable 'edit file'
 ```
 
 ### Example Keybindings For Colemak Users

pkg/config/user_config.go

@@ -691,7 +691,7 @@ func GetDefaultConfig() *UserConfig {
 				NextMatch:                    "n",
 				PrevMatch:                    "N",
 				StartSearch:                  "/",
-				OptionMenu:                   "",
+				OptionMenu:                   "<disabled>",
 				OptionMenuAlt1:               "?",
 				Select:                       "<space>",
 				GoInto:                       "<enter>",

pkg/gui/keybindings/keybindings.go

@@ -100,7 +100,9 @@ func LabelFromKey(key types.Key) string {
 
 func GetKey(key string) types.Key {
 	runeCount := utf8.RuneCountInString(key)
-	if runeCount > 1 {
+	if key == "<disabled>" {
+		return nil
+	} else if runeCount > 1 {
 		binding, ok := keyByLabel[strings.ToLower(key)]
 		if !ok {
 			log.Fatalf("Unrecognized key %s for keybinding. For permitted values see %s", strings.ToLower(key), constants.Links.Docs.CustomKeybindings)

pkg/integration/tests/misc/disabled_keybindings.go

@@ -0,0 +1,26 @@
+package misc
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var DisabledKeybindings = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Confirms You can set keybindings to blank to disable them",
+	ExtraCmdArgs: []string{},
+	Skip:         false,
+	SetupConfig: func(config *config.AppConfig) {
+		config.UserConfig.Keybinding.Universal.PrevItem = "<disabled>"
+		config.UserConfig.Keybinding.Universal.NextItem = "<disabled>"
+		config.UserConfig.Keybinding.Universal.NextTab = "<up>"
+		config.UserConfig.Keybinding.Universal.PrevTab = "<down>"
+	},
+	SetupRepo: func(shell *Shell) {},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		t.Views().Files().
+			IsFocused().
+			Press("<up>")
+
+		t.Views().Worktrees().IsFocused()
+	},
+})

pkg/integration/tests/test_list.go

@@ -170,6 +170,7 @@ var tests = []*components.IntegrationTest{
 	interactive_rebase.SwapWithConflict,
 	misc.ConfirmOnQuit,
 	misc.CopyToClipboard,
+	misc.DisabledKeybindings,
 	misc.InitialOpen,
 	misc.RecentReposOnLaunch,
 	patch_building.Apply,