Replaced file structures for themes in the correct format

1 files changed, 978 insertions, 0 deletions

diff --git a/raveos-hyprland-theme/theme-data/DankMaterialShell/core/internal/matugen/matugen.go b/raveos-hyprland-theme/theme-data/DankMaterialShell/core/internal/matugen/matugen.go
new file mode 100644
index 0000000..a29d324
--- /dev/null
+++ b/raveos-hyprland-theme/theme-data/DankMaterialShell/core/internal/matugen/matugen.go
@@ -0,0 +1,978 @@
+package matugen
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"math"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"sync"
+	"syscall"
+	"time"
+
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/dank16"
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/log"
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/utils"
+	"github.com/lucasb-eyer/go-colorful"
+)
+
+var ErrNoChanges = errors.New("no color changes")
+
+type ColorMode string
+
+const (
+	ColorModeDark  ColorMode = "dark"
+	ColorModeLight ColorMode = "light"
+)
+
+type TemplateKind int
+
+const (
+	TemplateKindNormal TemplateKind = iota
+	TemplateKindTerminal
+	TemplateKindGTK
+	TemplateKindVSCode
+	TemplateKindEmacs
+)
+
+type TemplateDef struct {
+	ID                 string
+	Commands           []string
+	Flatpaks           []string
+	ConfigFile         string
+	Kind               TemplateKind
+	RunUnconditionally bool
+}
+
+var templateRegistry = []TemplateDef{
+	{ID: "gtk", Kind: TemplateKindGTK, RunUnconditionally: true},
+	{ID: "niri", Commands: []string{"niri"}, ConfigFile: "niri.toml"},
+	{ID: "hyprland", Commands: []string{"Hyprland"}, ConfigFile: "hyprland.toml"},
+	{ID: "mangowc", Commands: []string{"mango"}, ConfigFile: "mangowc.toml"},
+	{ID: "qt5ct", Commands: []string{"qt5ct"}, ConfigFile: "qt5ct.toml"},
+	{ID: "qt6ct", Commands: []string{"qt6ct"}, ConfigFile: "qt6ct.toml"},
+	{ID: "firefox", Commands: []string{"firefox"}, ConfigFile: "firefox.toml"},
+	{ID: "pywalfox", Commands: []string{"pywalfox"}, ConfigFile: "pywalfox.toml"},
+	{ID: "zenbrowser", Commands: []string{"zen", "zen-browser", "zen-beta", "zen-twilight"}, Flatpaks: []string{"app.zen_browser.zen"}, ConfigFile: "zenbrowser.toml"},
+	{ID: "vesktop", Commands: []string{"vesktop"}, Flatpaks: []string{"dev.vencord.Vesktop"}, ConfigFile: "vesktop.toml"},
+	{ID: "equibop", Commands: []string{"equibop"}, ConfigFile: "equibop.toml"},
+	{ID: "ghostty", Commands: []string{"ghostty"}, ConfigFile: "ghostty.toml", Kind: TemplateKindTerminal},
+	{ID: "kitty", Commands: []string{"kitty"}, ConfigFile: "kitty.toml", Kind: TemplateKindTerminal},
+	{ID: "foot", Commands: []string{"foot"}, ConfigFile: "foot.toml", Kind: TemplateKindTerminal},
+	{ID: "alacritty", Commands: []string{"alacritty"}, ConfigFile: "alacritty.toml", Kind: TemplateKindTerminal},
+	{ID: "wezterm", Commands: []string{"wezterm"}, ConfigFile: "wezterm.toml", Kind: TemplateKindTerminal},
+	{ID: "nvim", Commands: []string{"nvim"}, ConfigFile: "neovim.toml", Kind: TemplateKindTerminal},
+	{ID: "dgop", Commands: []string{"dgop"}, ConfigFile: "dgop.toml"},
+	{ID: "kcolorscheme", ConfigFile: "kcolorscheme.toml", RunUnconditionally: true},
+	{ID: "vscode", Kind: TemplateKindVSCode},
+	{ID: "emacs", Commands: []string{"emacs"}, ConfigFile: "emacs.toml", Kind: TemplateKindEmacs},
+	{ID: "zed", Commands: []string{"zed", "zeditor", "zedit"}, ConfigFile: "zed.toml"},
+}
+
+func (c *ColorMode) GTKTheme() string {
+	switch *c {
+	case ColorModeDark:
+		return "adw-gtk3-dark"
+	default:
+		return "adw-gtk3"
+	}
+}
+
+var (
+	matugenVersionMu   sync.Mutex
+	matugenVersionOK   bool
+	matugenSupportsCOE bool
+	matugenIsV4        bool
+)
+
+type Options struct {
+	StateDir            string
+	ShellDir            string
+	ConfigDir           string
+	Kind                string
+	Value               string
+	Mode                ColorMode
+	IconTheme           string
+	MatugenType         string
+	Contrast            float64
+	RunUserTemplates    bool
+	ColorsOnly          bool
+	StockColors         string
+	SyncModeWithPortal  bool
+	TerminalsAlwaysDark bool
+	SkipTemplates       string
+	AppChecker          utils.AppChecker
+}
+
+type ColorsOutput struct {
+	Colors struct {
+		Dark  map[string]string `json:"dark"`
+		Light map[string]string `json:"light"`
+	} `json:"colors"`
+}
+
+func (o *Options) ColorsOutput() string {
+	return filepath.Join(o.StateDir, "dms-colors.json")
+}
+
+func (o *Options) ShouldSkipTemplate(name string) bool {
+	if o.SkipTemplates == "" {
+		return false
+	}
+	for _, skip := range strings.Split(o.SkipTemplates, ",") {
+		if strings.TrimSpace(skip) == name {
+			return true
+		}
+	}
+	return false
+}
+
+func Run(opts Options) error {
+	if opts.StateDir == "" {
+		return fmt.Errorf("state-dir is required")
+	}
+	if opts.ShellDir == "" {
+		return fmt.Errorf("shell-dir is required")
+	}
+	if opts.ConfigDir == "" {
+		return fmt.Errorf("config-dir is required")
+	}
+	if opts.Kind == "" {
+		return fmt.Errorf("kind is required")
+	}
+	if opts.Value == "" {
+		return fmt.Errorf("value is required")
+	}
+	if opts.Mode == "" {
+		opts.Mode = ColorModeDark
+	}
+	if opts.MatugenType == "" {
+		opts.MatugenType = "scheme-tonal-spot"
+	}
+	if opts.IconTheme == "" {
+		opts.IconTheme = "System Default"
+	}
+	if opts.AppChecker == nil {
+		opts.AppChecker = utils.DefaultAppChecker{}
+	}
+
+	if err := os.MkdirAll(opts.StateDir, 0o755); err != nil {
+		return fmt.Errorf("failed to create state dir: %w", err)
+	}
+
+	log.Infof("Building theme: %s %s (%s)", opts.Kind, opts.Value, opts.Mode)
+
+	changed, buildErr := buildOnce(&opts)
+	if buildErr != nil {
+		return buildErr
+	}
+
+	if !changed {
+		log.Info("No color changes detected, skipping refresh")
+		return ErrNoChanges
+	}
+
+	if opts.SyncModeWithPortal {
+		syncColorScheme(opts.Mode)
+	}
+
+	log.Info("Done")
+	return nil
+}
+
+func buildOnce(opts *Options) (bool, error) {
+	cfgFile, err := os.CreateTemp("", "matugen-config-*.toml")
+	if err != nil {
+		return false, fmt.Errorf("failed to create temp config: %w", err)
+	}
+	defer os.Remove(cfgFile.Name())
+	defer cfgFile.Close()
+
+	tmpDir, err := os.MkdirTemp("", "matugen-templates-*")
+	if err != nil {
+		return false, fmt.Errorf("failed to create temp dir: %w", err)
+	}
+	defer os.RemoveAll(tmpDir)
+
+	if err := buildMergedConfig(opts, cfgFile, tmpDir); err != nil {
+		return false, fmt.Errorf("failed to build config: %w", err)
+	}
+	cfgFile.Close()
+
+	oldColors, _ := os.ReadFile(opts.ColorsOutput())
+
+	var primaryDark, primaryLight, surface string
+	var dank16JSON string
+	var importArgs []string
+
+	if opts.StockColors != "" {
+		log.Info("Using stock/custom theme colors with matugen base")
+		primaryDark = extractNestedColor(opts.StockColors, "primary", "dark")
+		primaryLight = extractNestedColor(opts.StockColors, "primary", "light")
+		surface = extractNestedColor(opts.StockColors, "surface", "dark")
+
+		if primaryDark == "" {
+			return false, fmt.Errorf("failed to extract primary dark from stock colors")
+		}
+		if primaryLight == "" {
+			primaryLight = primaryDark
+		}
+
+		dank16JSON = generateDank16Variants(primaryDark, primaryLight, surface, opts.Mode)
+		importData := fmt.Sprintf(`{"colors": %s, "dank16": %s}`, opts.StockColors, dank16JSON)
+		importArgs = []string{"--import-json-string", importData}
+
+		log.Info("Running matugen color hex with stock color overrides")
+		args := []string{"color", "hex", primaryDark, "-m", string(opts.Mode), "-t", opts.MatugenType, "-c", cfgFile.Name()}
+		args = appendContrastArg(args, opts.Contrast)
+		args = append(args, importArgs...)
+		if err := runMatugen(args); err != nil {
+			return false, err
+		}
+	} else {
+		log.Infof("Using dynamic theme from %s: %s", opts.Kind, opts.Value)
+
+		matJSON, err := runMatugenDryRun(opts)
+		if err != nil {
+			return false, fmt.Errorf("matugen dry-run failed: %w", err)
+		}
+
+		primaryDark = extractMatugenColor(matJSON, "primary", "dark")
+		primaryLight = extractMatugenColor(matJSON, "primary", "light")
+		surface = extractMatugenColor(matJSON, "surface", "dark")
+
+		if primaryDark == "" {
+			return false, fmt.Errorf("failed to extract primary color")
+		}
+		if primaryLight == "" {
+			primaryLight = primaryDark
+		}
+
+		dank16JSON = generateDank16Variants(primaryDark, primaryLight, surface, opts.Mode)
+		importData := fmt.Sprintf(`{"dank16": %s}`, dank16JSON)
+		importArgs = []string{"--import-json-string", importData}
+
+		log.Infof("Running matugen %s with dank16 injection", opts.Kind)
+		var args []string
+		switch opts.Kind {
+		case "hex":
+			args = []string{"color", "hex", opts.Value}
+		default:
+			args = []string{opts.Kind, opts.Value}
+		}
+		args = append(args, "-m", string(opts.Mode), "-t", opts.MatugenType, "-c", cfgFile.Name())
+		args = appendContrastArg(args, opts.Contrast)
+		args = append(args, importArgs...)
+		if err := runMatugen(args); err != nil {
+			return false, err
+		}
+	}
+
+	newColors, _ := os.ReadFile(opts.ColorsOutput())
+	if bytes.Equal(oldColors, newColors) && len(oldColors) > 0 {
+		return false, nil
+	}
+
+	if opts.ColorsOnly {
+		return true, nil
+	}
+
+	if isDMSGTKActive(opts.ConfigDir) {
+		switch opts.Mode {
+		case ColorModeLight:
+			syncAccentColor(primaryLight)
+		default:
+			syncAccentColor(primaryDark)
+		}
+		refreshGTK(opts.Mode)
+		refreshGTK4()
+	}
+
+	if !opts.ShouldSkipTemplate("qt6ct") && appExists(opts.AppChecker, []string{"qt6ct"}, nil) {
+		refreshQt6ct()
+	}
+
+	signalTerminals(opts)
+
+	return true, nil
+}
+
+func appendContrastArg(args []string, contrast float64) []string {
+	if contrast == 0 {
+		return args
+	}
+	return append(args, "--contrast", strconv.FormatFloat(contrast, 'f', -1, 64))
+}
+
+func buildMergedConfig(opts *Options, cfgFile *os.File, tmpDir string) error {
+	userConfigPath := filepath.Join(opts.ConfigDir, "matugen", "config.toml")
+
+	wroteConfig := false
+	if opts.RunUserTemplates {
+		if data, err := os.ReadFile(userConfigPath); err == nil {
+			configSection := extractTOMLSection(string(data), "[config]", "[templates]")
+			if configSection != "" {
+				cfgFile.WriteString(configSection)
+				cfgFile.WriteString("\n")
+				wroteConfig = true
+			}
+		}
+	}
+	if !wroteConfig {
+		cfgFile.WriteString("[config]\n\n")
+	}
+
+	baseConfigPath := filepath.Join(opts.ShellDir, "matugen", "configs", "base.toml")
+	if data, err := os.ReadFile(baseConfigPath); err == nil {
+		content := string(data)
+		lines := strings.Split(content, "\n")
+		for _, line := range lines {
+			if strings.TrimSpace(line) == "[config]" {
+				continue
+			}
+			cfgFile.WriteString(substituteVars(line, opts.ShellDir) + "\n")
+		}
+		cfgFile.WriteString("\n")
+	}
+
+	fmt.Fprintf(cfgFile, `[templates.dank]
+input_path = '%s/matugen/templates/dank.json'
+output_path = '%s'
+
+`, opts.ShellDir, opts.ColorsOutput())
+
+	if opts.ColorsOnly {
+		return nil
+	}
+
+	homeDir, _ := os.UserHomeDir()
+	for _, tmpl := range templateRegistry {
+		if opts.ShouldSkipTemplate(tmpl.ID) {
+			continue
+		}
+
+		switch tmpl.Kind {
+		case TemplateKindGTK:
+			switch opts.Mode {
+			case ColorModeLight:
+				appendConfig(opts, cfgFile, nil, nil, "gtk3-light.toml")
+			default:
+				appendConfig(opts, cfgFile, nil, nil, "gtk3-dark.toml")
+			}
+		case TemplateKindTerminal:
+			appendTerminalConfig(opts, cfgFile, tmpDir, tmpl.Commands, tmpl.Flatpaks, tmpl.ConfigFile)
+		case TemplateKindVSCode:
+			appendVSCodeConfig(cfgFile, "vscode", filepath.Join(homeDir, ".vscode/extensions"), opts.ShellDir)
+			appendVSCodeConfig(cfgFile, "codium", filepath.Join(homeDir, ".vscode-oss/extensions"), opts.ShellDir)
+			appendVSCodeConfig(cfgFile, "codeoss", filepath.Join(homeDir, ".config/Code - OSS/extensions"), opts.ShellDir)
+			appendVSCodeConfig(cfgFile, "cursor", filepath.Join(homeDir, ".cursor/extensions"), opts.ShellDir)
+			appendVSCodeConfig(cfgFile, "windsurf", filepath.Join(homeDir, ".windsurf/extensions"), opts.ShellDir)
+			appendVSCodeConfig(cfgFile, "vscode-insiders", filepath.Join(homeDir, ".vscode-insiders/extensions"), opts.ShellDir)
+		case TemplateKindEmacs:
+			if utils.EmacsConfigDir() != "" {
+				appendConfig(opts, cfgFile, tmpl.Commands, tmpl.Flatpaks, tmpl.ConfigFile)
+			}
+		default:
+			appendConfig(opts, cfgFile, tmpl.Commands, tmpl.Flatpaks, tmpl.ConfigFile)
+		}
+	}
+
+	if opts.RunUserTemplates {
+		if data, err := os.ReadFile(userConfigPath); err == nil {
+			templatesSection := extractTOMLSection(string(data), "[templates]", "")
+			if templatesSection != "" {
+				cfgFile.WriteString(templatesSection)
+				cfgFile.WriteString("\n")
+			}
+		}
+	}
+
+	userPluginConfigDir := filepath.Join(opts.ConfigDir, "matugen", "dms", "configs")
+	if entries, err := os.ReadDir(userPluginConfigDir); err == nil {
+		for _, entry := range entries {
+			if !strings.HasSuffix(entry.Name(), ".toml") {
+				continue
+			}
+			if data, err := os.ReadFile(filepath.Join(userPluginConfigDir, entry.Name())); err == nil {
+				cfgFile.WriteString(string(data))
+				cfgFile.WriteString("\n")
+			}
+		}
+	}
+
+	return nil
+}
+
+func appendConfig(
+	opts *Options,
+	cfgFile *os.File,
+	checkCmd []string,
+	checkFlatpaks []string,
+	fileName string,
+) {
+	configPath := filepath.Join(opts.ShellDir, "matugen", "configs", fileName)
+	if _, err := os.Stat(configPath); err != nil {
+		return
+	}
+	if !appExists(opts.AppChecker, checkCmd, checkFlatpaks) {
+		return
+	}
+	data, err := os.ReadFile(configPath)
+	if err != nil {
+		return
+	}
+	cfgFile.WriteString(substituteVars(string(data), opts.ShellDir))
+	cfgFile.WriteString("\n")
+}
+
+func appendTerminalConfig(opts *Options, cfgFile *os.File, tmpDir string, checkCmd []string, checkFlatpaks []string, fileName string) {
+	configPath := filepath.Join(opts.ShellDir, "matugen", "configs", fileName)
+	if _, err := os.Stat(configPath); err != nil {
+		return
+	}
+	if !appExists(opts.AppChecker, checkCmd, checkFlatpaks) {
+		return
+	}
+	data, err := os.ReadFile(configPath)
+	if err != nil {
+		return
+	}
+
+	content := string(data)
+
+	if !opts.TerminalsAlwaysDark {
+		cfgFile.WriteString(substituteVars(content, opts.ShellDir))
+		cfgFile.WriteString("\n")
+		return
+	}
+
+	lines := strings.Split(content, "\n")
+	for _, line := range lines {
+		if !strings.Contains(line, "input_path") || !strings.Contains(line, "SHELL_DIR/matugen/templates/") {
+			continue
+		}
+
+		start := strings.Index(line, "'SHELL_DIR/matugen/templates/")
+		if start == -1 {
+			continue
+		}
+		end := strings.Index(line[start+1:], "'")
+		if end == -1 {
+			continue
+		}
+		templateName := line[start+len("'SHELL_DIR/matugen/templates/") : start+1+end]
+		origPath := filepath.Join(opts.ShellDir, "matugen", "templates", templateName)
+
+		origData, err := os.ReadFile(origPath)
+		if err != nil {
+			continue
+		}
+
+		modified := strings.ReplaceAll(string(origData), ".default.", ".dark.")
+		tmpPath := filepath.Join(tmpDir, templateName)
+		if err := os.WriteFile(tmpPath, []byte(modified), 0o644); err != nil {
+			continue
+		}
+
+		content = strings.ReplaceAll(content,
+			fmt.Sprintf("'SHELL_DIR/matugen/templates/%s'", templateName),
+			fmt.Sprintf("'%s'", tmpPath))
+	}
+
+	cfgFile.WriteString(substituteVars(content, opts.ShellDir))
+	cfgFile.WriteString("\n")
+}
+
+func appExists(checker utils.AppChecker, checkCmd []string, checkFlatpaks []string) bool {
+	// Both nil is treated as "skip check" / unconditionally run
+	if checkCmd == nil && checkFlatpaks == nil {
+		return true
+	}
+	if checkCmd != nil && checker.AnyCommandExists(checkCmd...) {
+		return true
+	}
+	if checkFlatpaks != nil && checker.AnyFlatpakExists(checkFlatpaks...) {
+		return true
+	}
+	return false
+}
+
+func appendVSCodeConfig(cfgFile *os.File, name, extBaseDir, shellDir string) {
+	pattern := filepath.Join(extBaseDir, "danklinux.dms-theme-*")
+	matches, err := filepath.Glob(pattern)
+	if err != nil || len(matches) == 0 {
+		return
+	}
+
+	extDir := matches[0]
+	templateDir := filepath.Join(shellDir, "matugen", "templates")
+	fmt.Fprintf(cfgFile, `[templates.dms%sdefault]
+input_path = '%s/vscode-color-theme-default.json'
+output_path = '%s/themes/dankshell-default.json'
+
+[templates.dms%sdark]
+input_path = '%s/vscode-color-theme-dark.json'
+output_path = '%s/themes/dankshell-dark.json'
+
+[templates.dms%slight]
+input_path = '%s/vscode-color-theme-light.json'
+output_path = '%s/themes/dankshell-light.json'
+
+`, name, templateDir, extDir,
+		name, templateDir, extDir,
+		name, templateDir, extDir)
+	log.Infof("Added %s theme config (extension found at %s)", name, extDir)
+}
+
+func substituteVars(content, shellDir string) string {
+	result := strings.ReplaceAll(content, "'SHELL_DIR/", "'"+shellDir+"/")
+	result = strings.ReplaceAll(result, "'CONFIG_DIR/", "'"+utils.XDGConfigHome()+"/")
+	result = strings.ReplaceAll(result, "'DATA_DIR/", "'"+utils.XDGDataHome()+"/")
+	result = strings.ReplaceAll(result, "'CACHE_DIR/", "'"+utils.XDGCacheHome()+"/")
+	if emacsDir := utils.EmacsConfigDir(); emacsDir != "" {
+		result = strings.ReplaceAll(result, "'EMACS_DIR/", "'"+emacsDir+"/")
+	}
+	return result
+}
+
+func extractTOMLSection(content, startMarker, endMarker string) string {
+	startIdx := strings.Index(content, startMarker)
+	if startIdx == -1 {
+		return ""
+	}
+
+	if endMarker == "" {
+		return content[startIdx:]
+	}
+
+	endIdx := strings.Index(content[startIdx:], endMarker)
+	if endIdx == -1 {
+		return content[startIdx:]
+	}
+	return content[startIdx : startIdx+endIdx]
+}
+
+type matugenFlags struct {
+	supportsCOE bool
+	isV4        bool
+}
+
+func detectMatugenVersion() (matugenFlags, error) {
+	matugenVersionMu.Lock()
+	defer matugenVersionMu.Unlock()
+
+	if matugenVersionOK {
+		return matugenFlags{matugenSupportsCOE, matugenIsV4}, nil
+	}
+
+	return detectMatugenVersionLocked()
+}
+
+func redetectMatugenVersion(old matugenFlags) (matugenFlags, bool) {
+	matugenVersionMu.Lock()
+	defer matugenVersionMu.Unlock()
+
+	matugenVersionOK = false
+	flags, err := detectMatugenVersionLocked()
+	if err != nil {
+		return old, false
+	}
+	changed := flags.supportsCOE != old.supportsCOE || flags.isV4 != old.isV4
+	return flags, changed
+}
+
+func detectMatugenVersionLocked() (matugenFlags, error) {
+	cmd := exec.Command("matugen", "--version")
+	output, err := cmd.Output()
+	if err != nil {
+		return matugenFlags{}, fmt.Errorf("failed to get matugen version: %w", err)
+	}
+
+	versionStr := strings.TrimSpace(string(output))
+	versionStr = strings.TrimPrefix(versionStr, "matugen ")
+
+	parts := strings.Split(versionStr, ".")
+	if len(parts) < 2 {
+		return matugenFlags{}, fmt.Errorf("unexpected matugen version format: %q", versionStr)
+	}
+
+	major, err := strconv.Atoi(parts[0])
+	if err != nil {
+		return matugenFlags{}, fmt.Errorf("failed to parse matugen major version %q: %w", parts[0], err)
+	}
+
+	minor, err := strconv.Atoi(parts[1])
+	if err != nil {
+		return matugenFlags{}, fmt.Errorf("failed to parse matugen minor version %q: %w", parts[1], err)
+	}
+
+	matugenSupportsCOE = major > 3 || (major == 3 && minor >= 1)
+	matugenIsV4 = major >= 4
+	matugenVersionOK = true
+
+	if matugenSupportsCOE {
+		log.Debugf("Matugen %s detected: continue-on-error support enabled", versionStr)
+	}
+	if matugenIsV4 {
+		log.Debugf("Matugen %s detected: using v4 compatibility flags", versionStr)
+	}
+	return matugenFlags{matugenSupportsCOE, matugenIsV4}, nil
+}
+
+func buildMatugenArgs(baseArgs []string, flags matugenFlags) []string {
+	args := make([]string, 0, len(baseArgs)+4)
+	if flags.supportsCOE {
+		args = append(args, "--continue-on-error")
+	}
+	args = append(args, baseArgs...)
+	if flags.isV4 {
+		args = append(args, "--source-color-index", "0")
+	}
+	return args
+}
+
+func runMatugen(baseArgs []string) error {
+	flags, err := detectMatugenVersion()
+	if err != nil {
+		return err
+	}
+
+	args := buildMatugenArgs(baseArgs, flags)
+	cmd := exec.Command("matugen", args...)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	runErr := cmd.Run()
+	if runErr == nil {
+		return nil
+	}
+
+	log.Warnf("Matugen failed (v4=%v): %v", flags.isV4, runErr)
+
+	newFlags, changed := redetectMatugenVersion(flags)
+	if !changed {
+		return runErr
+	}
+
+	log.Warnf("Matugen version changed (v4: %v -> %v), retrying", flags.isV4, newFlags.isV4)
+	args = buildMatugenArgs(baseArgs, newFlags)
+	retryCmd := exec.Command("matugen", args...)
+	retryCmd.Stdout = os.Stdout
+	retryCmd.Stderr = os.Stderr
+	return retryCmd.Run()
+}
+
+func runMatugenDryRun(opts *Options) (string, error) {
+	flags, err := detectMatugenVersion()
+	if err != nil {
+		return "", err
+	}
+
+	output, dryErr := execDryRun(opts, flags)
+	if dryErr == nil {
+		return output, nil
+	}
+
+	log.Warnf("Matugen dry-run failed (v4=%v): %v", flags.isV4, dryErr)
+
+	newFlags, changed := redetectMatugenVersion(flags)
+	if !changed {
+		return "", dryErr
+	}
+
+	log.Warnf("Matugen version changed (v4: %v -> %v), retrying dry-run", flags.isV4, newFlags.isV4)
+	return execDryRun(opts, newFlags)
+}
+
+func execDryRun(opts *Options, flags matugenFlags) (string, error) {
+	var baseArgs []string
+	switch opts.Kind {
+	case "hex":
+		baseArgs = []string{"color", "hex", opts.Value}
+	default:
+		baseArgs = []string{opts.Kind, opts.Value}
+	}
+	baseArgs = append(baseArgs, "-m", "dark", "-t", opts.MatugenType, "--json", "hex", "--dry-run")
+	baseArgs = appendContrastArg(baseArgs, opts.Contrast)
+	if flags.isV4 {
+		baseArgs = append(baseArgs, "--source-color-index", "0", "--old-json-output")
+	}
+
+	cmd := exec.Command("matugen", baseArgs...)
+	var stderr strings.Builder
+	cmd.Stderr = &stderr
+	output, err := cmd.Output()
+	if err != nil {
+		if stderr.Len() > 0 {
+			return "", fmt.Errorf("matugen %v failed (v4=%v): %s", baseArgs, flags.isV4, strings.TrimSpace(stderr.String()))
+		}
+		return "", fmt.Errorf("matugen %v failed (v4=%v): %w", baseArgs, flags.isV4, err)
+	}
+	return strings.ReplaceAll(string(output), "\n", ""), nil
+}
+
+func extractMatugenColor(jsonStr, colorName, variant string) string {
+	var data map[string]any
+	if err := json.Unmarshal([]byte(jsonStr), &data); err != nil {
+		return ""
+	}
+
+	colors, ok := data["colors"].(map[string]any)
+	if !ok {
+		return ""
+	}
+
+	colorData, ok := colors[colorName].(map[string]any)
+	if !ok {
+		return ""
+	}
+
+	variantData, ok := colorData[variant].(string)
+	if !ok {
+		return ""
+	}
+
+	return variantData
+}
+
+func extractNestedColor(jsonStr, colorName, variant string) string {
+	var data map[string]any
+	if err := json.Unmarshal([]byte(jsonStr), &data); err != nil {
+		return ""
+	}
+
+	colorData, ok := data[colorName].(map[string]any)
+	if !ok {
+		return ""
+	}
+
+	variantData, ok := colorData[variant].(map[string]any)
+	if !ok {
+		return ""
+	}
+
+	color, ok := variantData["color"].(string)
+	if !ok {
+		return ""
+	}
+
+	return color
+}
+
+func generateDank16Variants(primaryDark, primaryLight, surface string, mode ColorMode) string {
+	variantOpts := dank16.VariantOptions{
+		PrimaryDark:  primaryDark,
+		PrimaryLight: primaryLight,
+		Background:   surface,
+		UseDPS:       true,
+		IsLightMode:  mode == ColorModeLight,
+	}
+	variantColors := dank16.GenerateVariantPalette(variantOpts)
+	return dank16.GenerateVariantJSON(variantColors)
+}
+
+func isDMSGTKActive(configDir string) bool {
+	gtkCSS := filepath.Join(configDir, "gtk-3.0", "gtk.css")
+
+	info, err := os.Lstat(gtkCSS)
+	if err != nil {
+		return false
+	}
+
+	if info.Mode()&os.ModeSymlink != 0 {
+		target, err := os.Readlink(gtkCSS)
+		return err == nil && strings.Contains(target, "dank-colors.css")
+	}
+
+	data, err := os.ReadFile(gtkCSS)
+	return err == nil && strings.Contains(string(data), "dank-colors.css")
+}
+
+func refreshGTK(mode ColorMode) {
+	if err := utils.GsettingsSet("org.gnome.desktop.interface", "gtk-theme", ""); err != nil {
+		log.Warnf("Failed to reset gtk-theme: %v", err)
+	}
+	if err := utils.GsettingsSet("org.gnome.desktop.interface", "gtk-theme", mode.GTKTheme()); err != nil {
+		log.Warnf("Failed to set gtk-theme: %v", err)
+	}
+}
+
+func refreshGTK4() {
+	output, err := utils.GsettingsGet("org.gnome.desktop.interface", "color-scheme")
+	if err != nil {
+		return
+	}
+	current := strings.Trim(output, "'")
+
+	var toggle string
+	if current == "prefer-dark" {
+		toggle = "default"
+	} else {
+		toggle = "prefer-dark"
+	}
+
+	if err := utils.GsettingsSet("org.gnome.desktop.interface", "color-scheme", toggle); err != nil {
+		log.Warnf("Failed to toggle color-scheme for GTK4 refresh: %v", err)
+		return
+	}
+	time.Sleep(50 * time.Millisecond)
+	if err := utils.GsettingsSet("org.gnome.desktop.interface", "color-scheme", current); err != nil {
+		log.Warnf("Failed to restore color-scheme for GTK4 refresh: %v", err)
+	}
+}
+
+func refreshQt6ct() {
+	confPath := filepath.Join(utils.XDGConfigHome(), "qt6ct", "qt6ct.conf")
+	now := time.Now()
+	if err := os.Chtimes(confPath, now, now); err != nil {
+		log.Warnf("Failed to touch qt6ct.conf: %v", err)
+	}
+}
+
+func signalTerminals(opts *Options) {
+	if !opts.ShouldSkipTemplate("kitty") && appExists(opts.AppChecker, []string{"kitty"}, nil) {
+		signalByName("kitty", syscall.SIGUSR1)
+		signalByName(".kitty-wrapped", syscall.SIGUSR1)
+	}
+	if !opts.ShouldSkipTemplate("ghostty") && appExists(opts.AppChecker, []string{"ghostty"}, nil) {
+		signalByName("ghostty", syscall.SIGUSR2)
+		signalByName(".ghostty-wrappe", syscall.SIGUSR2)
+	}
+}
+
+func signalByName(name string, sig syscall.Signal) {
+	entries, err := os.ReadDir("/proc")
+	if err != nil {
+		return
+	}
+	for _, entry := range entries {
+		pid, err := strconv.Atoi(entry.Name())
+		if err != nil {
+			continue
+		}
+		comm, err := os.ReadFile(filepath.Join("/proc", entry.Name(), "comm"))
+		if err != nil {
+			continue
+		}
+		if strings.TrimSpace(string(comm)) == name {
+			syscall.Kill(pid, sig)
+		}
+	}
+}
+
+func syncColorScheme(mode ColorMode) {
+	scheme := "prefer-dark"
+	if mode == ColorModeLight {
+		scheme = "default"
+	}
+
+	if err := utils.GsettingsSet("org.gnome.desktop.interface", "color-scheme", scheme); err != nil {
+		log.Warnf("Failed to sync color-scheme: %v", err)
+	}
+}
+
+var adwaitaAccents = []struct {
+	name   string
+	colors []colorful.Color
+}{
+	{"blue", hexColors("#3f8ae5", "#438de6", "#a4caee")},
+	{"green", hexColors("#26a269", "#39ac76", "#81d5ad")},
+	{"orange", hexColors("#f17738", "#ff7800", "#ffc994")},
+	{"pink", hexColors("#e4358a", "#e64392", "#f9b3d5")},
+	{"purple", hexColors("#954ab5", "#9c46b9", "#d099d6")},
+	{"red", hexColors("#e84053", "#e01b24", "#f2a1a5")},
+	{"slate", hexColors("#557b9f", "#6a8daf", "#b4c6d6")},
+	{"teal", hexColors("#129eb0", "#2190a4", "#7bdff4")},
+	{"yellow", hexColors("#cbac10", "#d4b411", "#f5c211")},
+}
+
+func hexColors(hexes ...string) []colorful.Color {
+	out := make([]colorful.Color, len(hexes))
+	for i, h := range hexes {
+		out[i], _ = colorful.Hex(h)
+	}
+	return out
+}
+
+func closestAdwaitaAccent(primaryHex string) string {
+	c, err := colorful.Hex(primaryHex)
+	if err != nil {
+		return "blue"
+	}
+
+	best := "blue"
+	bestDist := math.MaxFloat64
+	for _, a := range adwaitaAccents {
+		for _, ref := range a.colors {
+			d := c.DistanceCIEDE2000(ref)
+			if d < bestDist {
+				bestDist = d
+				best = a.name
+			}
+		}
+	}
+	return best
+}
+
+func syncAccentColor(primaryHex string) {
+	accent := closestAdwaitaAccent(primaryHex)
+	log.Infof("Setting GNOME accent color: %s", accent)
+	if err := utils.GsettingsSet("org.gnome.desktop.interface", "accent-color", accent); err != nil {
+		log.Warnf("Failed to set accent-color: %v", err)
+	}
+}
+
+type TemplateCheck struct {
+	ID       string `json:"id"`
+	Detected bool   `json:"detected"`
+}
+
+func CheckTemplates(checker utils.AppChecker) []TemplateCheck {
+	if checker == nil {
+		checker = utils.DefaultAppChecker{}
+	}
+
+	homeDir, _ := os.UserHomeDir()
+	checks := make([]TemplateCheck, 0, len(templateRegistry))
+
+	for _, tmpl := range templateRegistry {
+		detected := false
+
+		switch {
+		case tmpl.RunUnconditionally:
+			detected = true
+		case tmpl.Kind == TemplateKindVSCode:
+			detected = checkVSCodeExtension(homeDir)
+		case tmpl.Kind == TemplateKindEmacs:
+			detected = appExists(checker, tmpl.Commands, tmpl.Flatpaks) && utils.EmacsConfigDir() != ""
+		default:
+			detected = appExists(checker, tmpl.Commands, tmpl.Flatpaks)
+		}
+
+		checks = append(checks, TemplateCheck{ID: tmpl.ID, Detected: detected})
+	}
+
+	return checks
+}
+
+func checkVSCodeExtension(homeDir string) bool {
+	extDirs := []string{
+		filepath.Join(homeDir, ".vscode/extensions"),
+		filepath.Join(homeDir, ".vscode-oss/extensions"),
+		filepath.Join(homeDir, ".config/Code - OSS/extensions"),
+		filepath.Join(homeDir, ".cursor/extensions"),
+		filepath.Join(homeDir, ".windsurf/extensions"),
+	}
+
+	for _, extDir := range extDirs {
+		pattern := filepath.Join(extDir, "danklinux.dms-theme-*")
+		if matches, err := filepath.Glob(pattern); err == nil && len(matches) > 0 {
+			return true
+		}
+	}
+	return false
+}