Add StatusPanelView config (#3309)

Adds a new config `statusPanelView ` which allows you to select the
default view of the main window: `dashboard` (default),
`allBranchesLog`.

7 files changed, 128 insertions, 28 deletions

diff --git a/docs/Config.md b/docs/Config.md
index cf78a3113..c6f5cbbf9 100644
--- a/docs/Config.md
+++ b/docs/Config.md
@@ -90,6 +90,7 @@ gui:
   spinner:
     frames: ['|', '/', '-', '\\']
     rate: 50 # spinner rate in milliseconds
+  statusPanelView: 'dashboard' # one of 'dashboard' | 'allBranchesLog'
 git:
   paging:
     colorArg: always
diff --git a/pkg/config/app_config.go b/pkg/config/app_config.go
index cd0d3e316..97f32688e 100644
--- a/pkg/config/app_config.go
+++ b/pkg/config/app_config.go
@@ -164,6 +164,10 @@ func loadUserConfig(configFiles []string, base *UserConfig) (*UserConfig, error)
 		if err := yaml.Unmarshal(content, base); err != nil {
 			return nil, fmt.Errorf("The config at `%s` couldn't be parsed, please inspect it before opening up an issue.\n%w", path, err)
 		}
+
+		if err := base.Validate(); err != nil {
+			return nil, fmt.Errorf("The config at `%s` has a validation error.\n%w", path, err)
+		}
 	}
 
 	return base, nil
diff --git a/pkg/config/user_config.go b/pkg/config/user_config.go
index 20a404b16..29b46e903 100644
--- a/pkg/config/user_config.go
+++ b/pkg/config/user_config.go
@@ -147,6 +147,9 @@ type GuiConfig struct {
 	FilterMode string `yaml:"filterMode" jsonschema:"enum=substring,enum=fuzzy"`
 	// Config relating to the spinner.
 	Spinner SpinnerConfig `yaml:"spinner"`
+	// Status panel view.
+	// One of 'dashboard' (default) | 'allBranchesLog'
+	StatusPanelView string `yaml:"statusPanelView" jsonschema:"enum=dashboard,enum=allBranchesLog"`
 }
 
 func (c *GuiConfig) UseFuzzySearch() bool {
@@ -684,6 +687,7 @@ func GetDefaultConfig() *UserConfig {
 				Frames: []string{"|", "/", "-", "\\"},
 				Rate:   50,
 			},
+			StatusPanelView: "dashboard",
 		},
 		Git: GitConfig{
 			Paging: PagingConfig{
diff --git a/pkg/config/user_config_validation.go b/pkg/config/user_config_validation.go
new file mode 100644
index 000000000..945979db9
--- /dev/null
+++ b/pkg/config/user_config_validation.go
@@ -0,0 +1,22 @@
+package config
+
+import (
+	"fmt"
+	"slices"
+	"strings"
+)
+
+func (config *UserConfig) Validate() error {
+	if err := validateEnum("gui.statusPanelView", config.Gui.StatusPanelView, []string{"dashboard", "allBranchesLog"}); err != nil {
+		return err
+	}
+	return nil
+}
+
+func validateEnum(name string, value string, allowedValues []string) error {
+	if slices.Contains(allowedValues, value) {
+		return nil
+	}
+	allowedValuesStr := strings.Join(allowedValues, ", ")
+	return fmt.Errorf("Unexpected value '%s' for '%s'. Allowed values: %s", value, name, allowedValuesStr)
+}
diff --git a/pkg/config/user_config_validation_test.go b/pkg/config/user_config_validation_test.go
new file mode 100644
index 000000000..9f7b4d74c
--- /dev/null
+++ b/pkg/config/user_config_validation_test.go
@@ -0,0 +1,49 @@
+package config
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestUserConfigValidate_enums(t *testing.T) {
+	type testCase struct {
+		value string
+		valid bool
+	}
+
+	scenarios := []struct {
+		name      string
+		setup     func(config *UserConfig, value string)
+		testCases []testCase
+	}{
+		{
+			name: "Gui.StatusPanelView",
+			setup: func(config *UserConfig, value string) {
+				config.Gui.StatusPanelView = value
+			},
+			testCases: []testCase{
+				{value: "dashboard", valid: true},
+				{value: "allBranchesLog", valid: true},
+				{value: "", valid: false},
+				{value: "invalid_value", valid: false},
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		t.Run(s.name, func(t *testing.T) {
+			for _, testCase := range s.testCases {
+				config := GetDefaultConfig()
+				s.setup(config, testCase.value)
+				err := config.Validate()
+
+				if testCase.valid {
+					assert.NoError(t, err)
+				} else {
+					assert.Error(t, err)
+				}
+			}
+		})
+	}
+}
diff --git a/pkg/gui/controllers/status_controller.go b/pkg/gui/controllers/status_controller.go
index 54bd04ad5..4fcb26a7c 100644
--- a/pkg/gui/controllers/status_controller.go
+++ b/pkg/gui/controllers/status_controller.go
@@ -83,35 +83,15 @@ func (self *StatusController) onClickMain(opts gocui.ViewMouseBindingOpts) error
 }
 
 func (self *StatusController) GetOnRenderToMain() func() error {
-	versionStr := "master"
-	version, err := types.ParseVersionNumber(self.c.GetConfig().GetVersion())
-	if err == nil {
-		// Don't just take the version string as is, but format it again. This
-		// way it will be correct even if a distribution omits the "v", or the
-		// ".0" at the end.
-		versionStr = fmt.Sprintf("v%d.%d.%d", version.Major, version.Minor, version.Patch)
-	}
+	config := self.c.UserConfig.Gui
 
-	return func() error {
-		dashboardString := strings.Join(
-			[]string{
-				lazygitTitle(),
-				"Copyright 2022 Jesse Duffield",
-				fmt.Sprintf("Keybindings: %s", style.AttrUnderline.Sprint(fmt.Sprintf(constants.Links.Docs.Keybindings, versionStr))),
-				fmt.Sprintf("Config Options: %s", style.AttrUnderline.Sprint(fmt.Sprintf(constants.Links.Docs.Config, versionStr))),
-				fmt.Sprintf("Tutorial: %s", style.AttrUnderline.Sprint(constants.Links.Docs.Tutorial)),
-				fmt.Sprintf("Raise an Issue: %s", style.AttrUnderline.Sprint(constants.Links.Issues)),
-				fmt.Sprintf("Release Notes: %s", style.AttrUnderline.Sprint(constants.Links.Releases)),
-				style.FgMagenta.Sprintf("Become a sponsor: %s", style.AttrUnderline.Sprint(constants.Links.Donate)), // caffeine ain't free
-			}, "\n\n") + "\n"
-
-		return self.c.RenderToMainViews(types.RefreshMainOpts{
-			Pair: self.c.MainViewPairs().Normal,
-			Main: &types.ViewUpdateOpts{
-				Title: self.c.Tr.StatusTitle,
-				Task:  types.NewRenderStringTask(dashboardString),
-			},
-		})
+	switch config.StatusPanelView {
+	case "dashboard":
+		return self.showDashboard
+	case "allBranchesLog":
+		return self.showAllBranchLogs
+	default:
+		return self.showDashboard
 	}
 }
 
@@ -224,6 +204,37 @@ func (self *StatusController) showAllBranchLogs() error {
 	})
 }
 
+func (self *StatusController) showDashboard() error {
+	versionStr := "master"
+	version, err := types.ParseVersionNumber(self.c.GetConfig().GetVersion())
+	if err == nil {
+		// Don't just take the version string as is, but format it again. This
+		// way it will be correct even if a distribution omits the "v", or the
+		// ".0" at the end.
+		versionStr = fmt.Sprintf("v%d.%d.%d", version.Major, version.Minor, version.Patch)
+	}
+
+	dashboardString := strings.Join(
+		[]string{
+			lazygitTitle(),
+			fmt.Sprintf("Copyright %d Jesse Duffield", time.Now().Year()),
+			fmt.Sprintf("Keybindings: %s", style.AttrUnderline.Sprint(fmt.Sprintf(constants.Links.Docs.Keybindings, versionStr))),
+			fmt.Sprintf("Config Options: %s", style.AttrUnderline.Sprint(fmt.Sprintf(constants.Links.Docs.Config, versionStr))),
+			fmt.Sprintf("Tutorial: %s", style.AttrUnderline.Sprint(constants.Links.Docs.Tutorial)),
+			fmt.Sprintf("Raise an Issue: %s", style.AttrUnderline.Sprint(constants.Links.Issues)),
+			fmt.Sprintf("Release Notes: %s", style.AttrUnderline.Sprint(constants.Links.Releases)),
+			style.FgMagenta.Sprintf("Become a sponsor: %s", style.AttrUnderline.Sprint(constants.Links.Donate)), // caffeine ain't free
+		}, "\n\n") + "\n"
+
+	return self.c.RenderToMainViews(types.RefreshMainOpts{
+		Pair: self.c.MainViewPairs().Normal,
+		Main: &types.ViewUpdateOpts{
+			Title: self.c.Tr.StatusTitle,
+			Task:  types.NewRenderStringTask(dashboardString),
+		},
+	})
+}
+
 func (self *StatusController) handleCheckForUpdate() error {
 	return self.c.Helpers().Update.CheckForUpdateInForeground()
 }
diff --git a/schema/config.json b/schema/config.json
index 21860c39c..5d259cbd4 100644
--- a/schema/config.json
+++ b/schema/config.json
@@ -392,6 +392,15 @@
           "additionalProperties": false,
           "type": "object",
           "description": "Config relating to the spinner."
+        },
+        "statusPanelView": {
+          "type": "string",
+          "enum": [
+            "dashboard",
+            "allBranchesLog"
+          ],
+          "description": "Status panel view.\nOne of 'dashboard' (default) | 'allBranchesLog'",
+          "default": "dashboard"
         }
       },
       "additionalProperties": false,