Add UserConfig jsonschema generation script

pkg/commands/git_commands/config.go

@@ -53,7 +53,7 @@ func (self *ConfigCommands) GetPager(width int) string {
 		"columnWidth": strconv.Itoa(width/2 - 6),
 	}
 
-	pagerTemplate := self.UserConfig.Git.Paging.Pager
+	pagerTemplate := string(self.UserConfig.Git.Paging.Pager)
 	return utils.ResolvePlaceholderString(pagerTemplate, templateValues)
 }
 

pkg/config/user_config.go

@@ -2,6 +2,8 @@ package config
 
 import (
 	"time"
+
+	"github.com/karimkhaleel/jsonschema"
 )
 
 type UserConfig struct {
@@ -25,7 +27,7 @@ type UserConfig struct {
 	// Lazygit sets this to true upon first runninng the program so that you don't see introductory popups every time you open the program.
 	DisableStartupPopups bool `yaml:"disableStartupPopups"`
 	// User-configured commands that can be invoked from within Lazygit
-	CustomCommands []CustomCommand `yaml:"customCommands"`
+	CustomCommands []CustomCommand `yaml:"customCommands" jsonschema:"uniqueItems=true"`
 	// See https://github.com/jesseduffield/lazygit/blob/master/docs/Config.md#custom-pull-request-urls
 	Services map[string]string `yaml:"services"`
 	// What to do when opening Lazygit outside of a git repo.
@@ -33,7 +35,7 @@ type UserConfig struct {
 	// - 'create': initialize a new repo
 	// - 'skip': open most recent repo
 	// - 'quit': exit Lazygit
-	NotARepository string `yaml:"notARepository"`
+	NotARepository string `yaml:"notARepository" jsonschema:"enum=prompt,enum=create,enum=skip,enum=quit"`
 	// If true, display a confirmation when subprocess terminates. This allows you to view the output of the subprocess before returning to Lazygit.
 	PromptToReturnFromSubprocess bool `yaml:"promptToReturnFromSubprocess"`
 }
@@ -41,10 +43,10 @@ type UserConfig struct {
 type RefresherConfig struct {
 	// File/submodule refresh interval in seconds.
 	// Auto-refresh can be disabled via option 'git.autoRefresh'.
-	RefreshInterval int `yaml:"refreshInterval"`
+	RefreshInterval int `yaml:"refreshInterval" jsonschema:"minimum=0"`
 	// Re-fetch interval in seconds.
 	// Auto-fetch can be disabled via option 'git.autoFetch'.
-	FetchInterval int `yaml:"fetchInterval"`
+	FetchInterval int `yaml:"fetchInterval" jsonschema:"minimum=0"`
 }
 
 type GuiConfig struct {
@@ -53,7 +55,7 @@ type GuiConfig struct {
 	// See https://github.com/jesseduffield/lazygit/blob/master/docs/Config.md#custom-branch-color
 	BranchColors map[string]string `yaml:"branchColors"`
 	// The number of lines you scroll by when scrolling the main window
-	ScrollHeight int `yaml:"scrollHeight"`
+	ScrollHeight int `yaml:"scrollHeight" jsonschema:"minimum=1"`
 	// If true, allow scrolling past the bottom of the content in the main window
 	ScrollPastBottom bool `yaml:"scrollPastBottom"`
 	// See https://github.com/jesseduffield/lazygit/blob/master/docs/Config.md#scroll-off-margin
@@ -73,7 +75,7 @@ type GuiConfig struct {
 	SkipRewordInEditorWarning bool `yaml:"skipRewordInEditorWarning"`
 	// Fraction of the total screen width to use for the left side section. You may want to pick a small number (e.g. 0.2) if you're using a narrow screen, so that you can see more of the main section.
 	// Number from 0 to 1.0.
-	SidePanelWidth float64 `yaml:"sidePanelWidth"`
+	SidePanelWidth float64 `yaml:"sidePanelWidth" jsonschema:"maximum=1,minimum=0"`
 	// If true, increase the height of the focused side window; creating an accordion effect.
 	ExpandFocusedSidePanel bool `yaml:"expandFocusedSidePanel"`
 	// Sometimes the main window is split in two (e.g. when the selected file has both staged and unstaged changes). This setting controls how the two sections are split.
@@ -81,9 +83,9 @@ type GuiConfig struct {
 	// - 'horizontal': split the window horizontally
 	// - 'vertical': split the window vertically
 	// - 'flexible': (default) split the window horizontally if the window is wide enough, otherwise split vertically
-	MainPanelSplitMode string `yaml:"mainPanelSplitMode"`
+	MainPanelSplitMode string `yaml:"mainPanelSplitMode" jsonschema:"enum=horizontal,enum=flexible,enum=vertical"`
 	// One of 'auto' (default) | 'en' | 'zh-CN' | 'zh-TW' | 'pl' | 'nl' | 'ja' | 'ko' | 'ru'
-	Language string `yaml:"language"`
+	Language string `yaml:"language" jsonschema:"enum=auto,enum=en,enum=zh-TW,enum=zh-CN,enum=pl,enum=nl,enum=ja,enum=ko,enum=ru"`
 	// Format used when displaying time e.g. commit time.
 	// Uses Go's time format syntax: https://pkg.go.dev/time#Time.Format
 	TimeFormat string `yaml:"timeFormat"`
@@ -113,21 +115,21 @@ type GuiConfig struct {
 	// Nerd fonts version to use.
 	// One of: '2' | '3' | empty string (default)
 	// If empty, do not show icons.
-	NerdFontsVersion string `yaml:"nerdFontsVersion"`
+	NerdFontsVersion string `yaml:"nerdFontsVersion" jsonschema:"enum=2,enum=3,enum="`
 	// If true, show commit hashes alongside branch names in the branches view.
 	ShowBranchCommitHash bool `yaml:"showBranchCommitHash"`
 	// Height of the command log view
-	CommandLogSize int `yaml:"commandLogSize"`
+	CommandLogSize int `yaml:"commandLogSize" jsonschema:"minimum=0"`
 	// Whether to split the main window when viewing file changes.
 	// One of: 'auto' | 'always'
 	// If 'auto', only split the main window when a file has both staged and unstaged changes
-	SplitDiff string `yaml:"splitDiff"`
+	SplitDiff string `yaml:"splitDiff" jsonschema:"enum=auto,enum=always"`
 	// Default size for focused window. Window size can be changed from within Lazygit with '+' and '_' (but this won't change the default).
 	// One of: 'normal' (default) | 'half' | 'full'
-	WindowSize string `yaml:"windowSize"`
+	WindowSize string `yaml:"windowSize" jsonschema:"enum=normal,enum=half,enum=full"`
 	// Window border style.
 	// One of 'rounded' (default) | 'single' | 'double' | 'hidden'
-	Border string `yaml:"border"`
+	Border string `yaml:"border" jsonschema:"enum=single,enum=double,enum=rounded,enum=hidden"`
 	// If true, show a seriously epic explosion animation when nuking the working tree.
 	AnimateExplosion bool `yaml:"animateExplosion"`
 	// Whether to stack UI components on top of each other.
@@ -137,31 +139,31 @@ type GuiConfig struct {
 
 type ThemeConfig struct {
 	// Border color of focused window
-	ActiveBorderColor []string `yaml:"activeBorderColor"`
+	ActiveBorderColor []string `yaml:"activeBorderColor" jsonschema:"minItems=1,uniqueItems=true"`
 	// Border color of non-focused windows
-	InactiveBorderColor []string `yaml:"inactiveBorderColor"`
+	InactiveBorderColor []string `yaml:"inactiveBorderColor" jsonschema:"minItems=1,uniqueItems=true"`
 	// Border color of focused window when searching in that window
-	SearchingActiveBorderColor []string `yaml:"searchingActiveBorderColor"`
+	SearchingActiveBorderColor []string `yaml:"searchingActiveBorderColor" jsonschema:"minItems=1,uniqueItems=true"`
 	// Color of keybindings help text in the bottom line
-	OptionsTextColor []string `yaml:"optionsTextColor"`
+	OptionsTextColor []string `yaml:"optionsTextColor" jsonschema:"minItems=1,uniqueItems=true"`
 	// Background color of selected line.
 	// See https://github.com/jesseduffield/lazygit/blob/master/docs/Config.md#highlighting-the-selected-line
-	SelectedLineBgColor []string `yaml:"selectedLineBgColor"`
+	SelectedLineBgColor []string `yaml:"selectedLineBgColor" jsonschema:"minItems=1,uniqueItems=true"`
 	// Background color of selected range
 	// See https://github.com/jesseduffield/lazygit/blob/master/docs/Config.md#highlighting-the-selected-line
-	SelectedRangeBgColor []string `yaml:"selectedRangeBgColor"`
+	SelectedRangeBgColor []string `yaml:"selectedRangeBgColor" jsonschema:"minItems=1,uniqueItems=true"`
 	// Foreground color of copied commit
-	CherryPickedCommitFgColor []string `yaml:"cherryPickedCommitFgColor"`
+	CherryPickedCommitFgColor []string `yaml:"cherryPickedCommitFgColor" jsonschema:"minItems=1,uniqueItems=true"`
 	// Background color of copied commit
-	CherryPickedCommitBgColor []string `yaml:"cherryPickedCommitBgColor"`
+	CherryPickedCommitBgColor []string `yaml:"cherryPickedCommitBgColor" jsonschema:"minItems=1,uniqueItems=true"`
 	// Foreground color of marked base commit (for rebase)
 	MarkedBaseCommitFgColor []string `yaml:"markedBaseCommitFgColor"`
 	// Background color of marked base commit (for rebase)
 	MarkedBaseCommitBgColor []string `yaml:"markedBaseCommitBgColor"`
 	// Color for file with unstaged changes
-	UnstagedChangesColor []string `yaml:"unstagedChangesColor"`
+	UnstagedChangesColor []string `yaml:"unstagedChangesColor" jsonschema:"minItems=1,uniqueItems=true"`
 	// Default text color
-	DefaultFgColor []string `yaml:"defaultFgColor"`
+	DefaultFgColor []string `yaml:"defaultFgColor" jsonschema:"minItems=1,uniqueItems=true"`
 }
 
 type CommitLengthConfig struct {
@@ -177,7 +179,7 @@ type GitConfig struct {
 	// Config relating to merging
 	Merging MergingConfig `yaml:"merging"`
 	// list of branches that are considered 'main' branches, used when displaying commits
-	MainBranches []string `yaml:"mainBranches"`
+	MainBranches []string `yaml:"mainBranches" jsonschema:"uniqueItems=true"`
 	// Prefix to use when skipping hooks. E.g. if set to 'WIP', then pre-commit hooks will be skipped when the commit message starts with 'WIP'
 	SkipHookPrefix string `yaml:"skipHookPrefix"`
 	// If true, periodically fetch from remote
@@ -203,14 +205,24 @@ type GitConfig struct {
 	Log LogConfig `yaml:"log"`
 }
 
+type PagerType string
+
+func (PagerType) JSONSchemaExtend(schema *jsonschema.Schema) {
+	schema.Examples = []any{
+		"delta --dark --paging=never",
+		"diff-so-fancy",
+		"ydiff -p cat -s --wrap --width={{columnWidth}}",
+	}
+}
+
 type PagingConfig struct {
 	// Value of the --color arg in the git diff command. Some pagers want this to be set to 'always' and some want it set to 'never'
-	ColorArg string `yaml:"colorArg"`
+	ColorArg string `yaml:"colorArg" jsonschema:"enum=always,enum=never"`
 	// e.g.
 	// diff-so-fancy
 	// delta --dark --paging=never
 	// ydiff -p cat -s --wrap --width={{columnWidth}}
-	Pager string `yaml:"pager"`
+	Pager PagerType `yaml:"pager" jsonschema:"minLength=1"`
 	// If true, Lazygit will use whatever pager is specified in `$GIT_PAGER`, `$PAGER`, or your *git config*. If the pager ends with something like ` | less` we will strip that part out, because less doesn't play nice with our rendering approach. If the custom pager uses less under the hood, that will also break rendering (hence the `--paging=never` flag for the `delta` pager).
 	UseConfig bool `yaml:"useConfig"`
 	// e.g. 'difft --color=always'
@@ -227,33 +239,33 @@ type MergingConfig struct {
 	// Only applicable to unix users.
 	ManualCommit bool `yaml:"manualCommit"`
 	// Extra args passed to `git merge`, e.g. --no-ff
-	Args string `yaml:"args"`
+	Args string `yaml:"args" jsonschema:"example=--no-ff"`
 }
 
 type LogConfig struct {
-	// One of: 'date-order' | 'author-date-order' | 'topo-order'
+	// One of: 'date-order' | 'author-date-order' | 'topo-order | default'
 	// 'topo-order' makes it easier to read the git log graph, but commits may not
 	// appear chronologically. See https://git-scm.com/docs/
-	Order string `yaml:"order"`
+	Order string `yaml:"order" jsonschema:"enum=date-order,enum=author-date-order,enum=topo-order,enum=default"`
 	// This determines whether the git graph is rendered in the commits panel
-	// One of 'always' | 'never' 'when-maximised'
+	// One of 'always' | 'never' | 'when-maximised'
-	ShowGraph string `yaml:"showGraph"`
+	ShowGraph string `yaml:"showGraph" jsonschema:"enum=always,enum=never,enum=when-maximised"`
 	// displays the whole git graph by default in the commits view (equivalent to passing the `--all` argument to `git log`)
 	ShowWholeGraph bool `yaml:"showWholeGraph"`
 }
 
 type CommitPrefixConfig struct {
 	// pattern to match on. E.g. for 'feature/AB-123' to match on the AB-123 use "^\\w+\\/(\\w+-\\w+).*"
-	Pattern string `yaml:"pattern"`
+	Pattern string `yaml:"pattern" jsonschema:"example=^\\w+\\/(\\w+-\\w+).*,minLength=1"`
 	// Replace directive. E.g. for 'feature/AB-123' to start the commit message with 'AB-123 ' use "[$1] "
-	Replace string `yaml:"replace"`
+	Replace string `yaml:"replace" jsonschema:"example=[$1] ,minLength=1"`
 }
 
 type UpdateConfig struct {
 	// One of: 'prompt' (default) | 'background' | 'never'
-	Method string `yaml:"method"`
+	Method string `yaml:"method" jsonschema:"enum=prompt,enum=background,enum=never"`
 	// Period in days between update checks
-	Days int64 `yaml:"days"`
+	Days int64 `yaml:"days" jsonschema:"minimum=0"`
 }
 
 type KeybindingConfig struct {
@@ -459,7 +471,7 @@ type OSConfig struct {
 
 	// A built-in preset that sets all of the above settings. Supported presets
 	// are defined in the getPreset function in editor_presets.go.
-	EditPreset string `yaml:"editPreset,omitempty"`
+	EditPreset string `yaml:"editPreset,omitempty" jsonschema:"example=vim,example=nvim,example=emacs,example=nano,example=vscode,example=sublime,example=kakoune,example=helix,example=xcode"`
 
 	// Command for opening a file, as if the file is double-clicked. Should
 	// contain "{{filename}}", but doesn't support "{{line}}".
@@ -504,15 +516,15 @@ type CustomCommand struct {
 	// The key to trigger the command. Use a single letter or one of the values from https://github.com/jesseduffield/lazygit/blob/master/docs/keybindings/Custom_Keybindings.md
 	Key string `yaml:"key"`
 	// The context in which to listen for the key
-	Context string `yaml:"context"`
+	Context string `yaml:"context" jsonschema:"enum=status,enum=files,enum=worktrees,enum=localBranches,enum=remotes,enum=remoteBranches,enum=tags,enum=commits,enum=reflogCommits,enum=subCommits,enum=commitFiles,enum=stash,enum=global"`
 	// The command to run (using Go template syntax for placeholder values)
-	Command string `yaml:"command"`
+	Command string `yaml:"command" jsonschema:"example=git fetch {{.Form.Remote}} {{.Form.Branch}} && git checkout FETCH_HEAD"`
 	// If true, run the command in a subprocess (e.g. if the command requires user input)
 	Subprocess bool `yaml:"subprocess"`
 	// A list of prompts that will request user input before running the final command
 	Prompts []CustomCommandPrompt `yaml:"prompts"`
 	// Text to display while waiting for command to finish
-	LoadingText string `yaml:"loadingText"`
+	LoadingText string `yaml:"loadingText" jsonschema:"example=Loading..."`
 	// Label for the custom command when displayed in the keybindings menu
 	Description string `yaml:"description"`
 	// If true, stream the command's output to the Command Log panel
@@ -540,7 +552,7 @@ type CustomCommandPrompt struct {
 
 	// The message of the confirmation prompt.
 	// Only for confirm prompts.
-	Body string `yaml:"body"`
+	Body string `yaml:"body" jsonschema:"example=Are you sure you want to push to the remote?"`
 
 	// Menu options.
 	// Only for menu prompts.
@@ -548,23 +560,23 @@ type CustomCommandPrompt struct {
 
 	// The command to run to generate menu options
 	// Only for menuFromCommand prompts.
-	Command string `yaml:"command"`
+	Command string `yaml:"command" jsonschema:"example=git fetch {{.Form.Remote}} {{.Form.Branch}} && git checkout FETCH_HEAD"`
 	// The regexp to run specifying groups which are going to be kept from the command's output.
 	// Only for menuFromCommand prompts.
-	Filter string `yaml:"filter"`
+	Filter string `yaml:"filter" jsonschema:"example=.*{{.SelectedRemote.Name }}/(?P<branch>.*)"`
 	// How to format matched groups from the filter to construct a menu item's value.
 	// Only for menuFromCommand prompts.
-	ValueFormat string `yaml:"valueFormat"`
+	ValueFormat string `yaml:"valueFormat" jsonschema:"example={{ .branch }}"`
 	// Like valueFormat but for the labels. If `labelFormat` is not specified, `valueFormat` is shown instead.
 	// Only for menuFromCommand prompts.
-	LabelFormat string `yaml:"labelFormat"`
+	LabelFormat string `yaml:"labelFormat" jsonschema:"example={{ .branch | green }}"`
 }
 
 type CustomCommandSuggestions struct {
 	// Uses built-in logic to obtain the suggestions. One of 'authors' | 'branches' | 'files' | 'refs' | 'remotes' | 'remoteBranches' | 'tags'
-	Preset string `yaml:"preset"`
+	Preset string `yaml:"preset" jsonschema:"enum=authors,enum=branches,enum=files,enum=refs,enum=remotes,enum=remoteBranches,enum=tags"`
 	// Command to run such that each line in the output becomes a suggestion. Mutually exclusive with 'preset' field.
-	Command string `yaml:"command"`
+	Command string `yaml:"command" jsonschema:"example=git fetch {{.Form.Remote}} {{.Form.Branch}} && git checkout FETCH_HEAD"`
 }
 
 type CustomCommandMenuOption struct {
@@ -573,7 +585,7 @@ type CustomCommandMenuOption struct {
 	// The second part of the label
 	Description string `yaml:"description"`
 	// The value that will be used in the command
-	Value string `yaml:"value"`
+	Value string `yaml:"value" jsonschema:"example=feature,minLength=1"`
 }
 
 func GetDefaultConfig() *UserConfig {

pkg/jsonschema/generate.go

@@ -0,0 +1,106 @@
+//go:generate go run generator.go
+
+package jsonschema
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"reflect"
+
+	"github.com/jesseduffield/lazycore/pkg/utils"
+	"github.com/jesseduffield/lazygit/pkg/config"
+	"github.com/karimkhaleel/jsonschema"
+)
+
+func GetSchemaDir() string {
+	return utils.GetLazyRootDirectory() + "/schema"
+}
+
+func GenerateSchema() {
+	schema := customReflect(&config.UserConfig{})
+	obj, _ := json.MarshalIndent(schema, "", "  ")
+
+	if err := os.WriteFile(GetSchemaDir()+"/config.json", obj, 0o644); err != nil {
+		fmt.Println("Error writing to file:", err)
+		return
+	}
+}
+
+func customReflect(v *config.UserConfig) *jsonschema.Schema {
+	defaultConfig := config.GetDefaultConfig()
+	r := &jsonschema.Reflector{FieldNameTag: "yaml", RequiredFromJSONSchemaTags: true, DoNotReference: true}
+	if err := r.AddGoComments("github.com/jesseduffield/lazygit/pkg/config", "../config"); err != nil {
+		panic(err)
+	}
+	schema := r.Reflect(v)
+
+	setDefaultVals(defaultConfig, schema)
+
+	return schema
+}
+
+func setDefaultVals(defaults any, schema *jsonschema.Schema) {
+	t := reflect.TypeOf(defaults)
+	v := reflect.ValueOf(defaults)
+
+	if t.Kind() == reflect.Ptr || t.Kind() == reflect.Interface {
+		t = t.Elem()
+		v = v.Elem()
+	}
+
+	for i := 0; i < t.NumField(); i++ {
+		value := v.Field(i).Interface()
+		parentKey := t.Field(i).Name
+
+		key, ok := schema.OriginalPropertiesMapping[parentKey]
+		if !ok {
+			continue
+		}
+
+		subSchema, ok := schema.Properties.Get(key)
+		if !ok {
+			continue
+		}
+
+		if isStruct(value) {
+			setDefaultVals(value, subSchema)
+		} else if !isZeroValue(value) {
+			subSchema.Default = value
+		}
+	}
+}
+
+func isZeroValue(v any) bool {
+	switch v := v.(type) {
+	case int, int32, int64, float32, float64:
+		return v == 0
+	case string:
+		return v == ""
+	case bool:
+		return !v
+	case nil:
+		return true
+	}
+
+	rv := reflect.ValueOf(v)
+	switch rv.Kind() {
+	case reflect.Slice, reflect.Map:
+		return rv.Len() == 0
+	case reflect.Ptr, reflect.Interface:
+		return rv.IsNil()
+	case reflect.Struct:
+		for i := 0; i < rv.NumField(); i++ {
+			if !isZeroValue(rv.Field(i).Interface()) {
+				return false
+			}
+		}
+		return true
+	default:
+		return false
+	}
+}
+
+func isStruct(v any) bool {
+	return reflect.TypeOf(v).Kind() == reflect.Struct
+}

pkg/jsonschema/generator.go

@@ -0,0 +1,14 @@
+//go:build ignore
+
+package main
+
+import (
+	"fmt"
+
+	"github.com/jesseduffield/lazygit/pkg/jsonschema"
+)
+
+func main() {
+	fmt.Printf("Generating jsonschema in %s...\n", jsonschema.GetSchemaDir())
+	jsonschema.GenerateSchema()
+}