Support multiple contexts within one command, add tests, update doc

docs/Custom_Command_Keybindings.md

@@ -87,6 +87,11 @@ The permitted contexts are:
 | stash          | The 'Stash' tab                                                                                          |
 | global         | This keybinding will take affect everywhere                                                              |
 
+> **Bonus**
+>
+> You can use a comma-separated string, such as `context: 'commits, subCommits'`, to make it effective in multiple contexts.
+
+
 ## Prompts
 
 ### Common fields

pkg/gui/services/custom_commands/client.go

@@ -39,11 +39,11 @@ func (self *Client) GetCustomCommandKeybindings() ([]*types.Binding, error) {
 	bindings := []*types.Binding{}
 	for _, customCommand := range self.customCommands {
 		handler := self.handlerCreator.call(customCommand)
-		binding, err := self.keybindingCreator.call(customCommand, handler)
+		compoundBindings, err := self.keybindingCreator.call(customCommand, handler)
 		if err != nil {
 			return nil, err
 		}
-		bindings = append(bindings, binding)
+		bindings = append(bindings, compoundBindings...)
 	}
 
 	return bindings, nil

pkg/gui/services/custom_commands/keybinding_creator.go

@@ -24,12 +24,12 @@ func NewKeybindingCreator(c *helpers.HelperCommon) *KeybindingCreator {
 	}
 }
 
-func (self *KeybindingCreator) call(customCommand config.CustomCommand, handler func() error) (*types.Binding, error) {
+func (self *KeybindingCreator) call(customCommand config.CustomCommand, handler func() error) ([]*types.Binding, error) {
 	if customCommand.Context == "" {
 		return nil, formatContextNotProvidedError(customCommand)
 	}
 
-	viewName, err := self.getViewNameAndContexts(customCommand)
+	viewNames, err := self.getViewNamesAndContexts(customCommand)
 	if err != nil {
 		return nil, err
 	}
@@ -39,27 +39,38 @@ func (self *KeybindingCreator) call(customCommand config.CustomCommand, handler
 		description = customCommand.Command
 	}
 
-	return &types.Binding{
-		ViewName:    viewName,
-		Key:         keybindings.GetKey(customCommand.Key),
-		Modifier:    gocui.ModNone,
-		Handler:     handler,
-		Description: description,
-	}, nil
+	return lo.Map(viewNames, func(viewName string, _ int) *types.Binding {
+		return &types.Binding{
+			ViewName:    viewName,
+			Key:         keybindings.GetKey(customCommand.Key),
+			Modifier:    gocui.ModNone,
+			Handler:     handler,
+			Description: description,
+		}
+	}), nil
 }
 
-func (self *KeybindingCreator) getViewNameAndContexts(customCommand config.CustomCommand) (string, error) {
+func (self *KeybindingCreator) getViewNamesAndContexts(customCommand config.CustomCommand) ([]string, error) {
 	if customCommand.Context == "global" {
-		return "", nil
+		return []string{""}, nil
 	}
 
-	ctx, ok := self.contextForContextKey(types.ContextKey(customCommand.Context))
-	if !ok {
-		return "", formatUnknownContextError(customCommand)
+	contexts := strings.Split(customCommand.Context, ",")
+	contexts = lo.Map(contexts, func(context string, _ int) string {
+		return strings.TrimSpace(context)
+	})
+
+	viewNames := []string{}
+	for _, context := range contexts {
+		ctx, ok := self.contextForContextKey(types.ContextKey(context))
+		if !ok {
+			return []string{}, formatUnknownContextError(customCommand)
+		}
+
+		viewNames = append(viewNames, ctx.GetViewName())
 	}
 
-	viewName := ctx.GetViewName()
-	return viewName, nil
+	return viewNames, nil
 }
 
 func (self *KeybindingCreator) contextForContextKey(contextKey types.ContextKey) (types.Context, bool) {

pkg/integration/tests/custom_commands/multiple_contexts.go

@@ -0,0 +1,58 @@
+package custom_commands
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/config"
+	. "github.com/jesseduffield/lazygit/pkg/integration/components"
+)
+
+var MultipleContexts = NewIntegrationTest(NewIntegrationTestArgs{
+	Description:  "Test that multiple contexts works",
+	ExtraCmdArgs: []string{},
+	Skip:         false,
+	SetupRepo: func(shell *Shell) {
+		shell.EmptyCommit("my change")
+	},
+	SetupConfig: func(cfg *config.AppConfig) {
+		cfg.UserConfig.CustomCommands = []config.CustomCommand{
+			{
+				Key:        "X",
+				Context:    "commits, reflogCommits",
+				Command:    "touch myfile",
+				ShowOutput: false,
+			},
+		}
+	},
+	Run: func(t *TestDriver, keys config.KeybindingConfig) {
+		// commits
+		t.Views().Commits().
+			Focus().
+			Press("X")
+
+		t.Views().Files().
+			Focus().
+			Lines(Contains("myfile"))
+
+		t.Shell().DeleteFile("myfile")
+		t.GlobalPress(keys.Files.RefreshFiles)
+
+		// branches
+		t.Views().Branches().
+			Focus().
+			Press("X")
+
+		t.Views().Files().
+			Focus().
+			IsEmpty()
+
+		// files
+		t.Views().ReflogCommits().
+			Focus().
+			Press("X")
+
+		t.Views().Files().
+			Focus().
+			Lines(Contains("myfile"))
+
+		t.Shell().DeleteFile("myfile")
+	},
+})

pkg/integration/tests/test_list.go

@@ -126,6 +126,7 @@ var tests = []*components.IntegrationTest{
 	custom_commands.History,
 	custom_commands.MenuFromCommand,
 	custom_commands.MenuFromCommandsOutput,
+	custom_commands.MultipleContexts,
 	custom_commands.MultiplePrompts,
 	custom_commands.OmitFromHistory,
 	custom_commands.ShowOutputInPanel,