initial commit

internal/config/deployer.go

@@ -0,0 +1,627 @@
+package config
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+	"time"
+
+	"github.com/AvengeMedia/danklinux/internal/deps"
+)
+
+type ConfigDeployer struct {
+	logChan chan<- string
+}
+
+type DeploymentResult struct {
+	ConfigType string
+	Path       string
+	BackupPath string
+	Deployed   bool
+	Error      error
+}
+
+func NewConfigDeployer(logChan chan<- string) *ConfigDeployer {
+	return &ConfigDeployer{
+		logChan: logChan,
+	}
+}
+
+func (cd *ConfigDeployer) log(message string) {
+	if cd.logChan != nil {
+		cd.logChan <- message
+	}
+}
+
+// DeployConfigurations deploys all necessary configurations based on the chosen window manager
+func (cd *ConfigDeployer) DeployConfigurations(ctx context.Context, wm deps.WindowManager) ([]DeploymentResult, error) {
+	return cd.DeployConfigurationsWithTerminal(ctx, wm, deps.TerminalGhostty)
+}
+
+// DeployConfigurationsWithTerminal deploys all necessary configurations based on chosen window manager and terminal
+func (cd *ConfigDeployer) DeployConfigurationsWithTerminal(ctx context.Context, wm deps.WindowManager, terminal deps.Terminal) ([]DeploymentResult, error) {
+	return cd.DeployConfigurationsSelective(ctx, wm, terminal, nil, nil)
+}
+
+func (cd *ConfigDeployer) DeployConfigurationsSelective(ctx context.Context, wm deps.WindowManager, terminal deps.Terminal, installedDeps []deps.Dependency, replaceConfigs map[string]bool) ([]DeploymentResult, error) {
+	return cd.DeployConfigurationsSelectiveWithReinstalls(ctx, wm, terminal, installedDeps, replaceConfigs, nil)
+}
+
+func (cd *ConfigDeployer) DeployConfigurationsSelectiveWithReinstalls(ctx context.Context, wm deps.WindowManager, terminal deps.Terminal, installedDeps []deps.Dependency, replaceConfigs map[string]bool, reinstallItems map[string]bool) ([]DeploymentResult, error) {
+	var results []DeploymentResult
+
+	shouldReplaceConfig := func(configType string) bool {
+		if replaceConfigs == nil {
+			return true
+		}
+		replace, exists := replaceConfigs[configType]
+		return !exists || replace
+	}
+
+	switch wm {
+	case deps.WindowManagerNiri:
+		if shouldReplaceConfig("Niri") {
+			result, err := cd.deployNiriConfig(terminal)
+			results = append(results, result)
+			if err != nil {
+				return results, fmt.Errorf("failed to deploy Niri config: %w", err)
+			}
+		}
+	case deps.WindowManagerHyprland:
+		if shouldReplaceConfig("Hyprland") {
+			result, err := cd.deployHyprlandConfig(terminal)
+			results = append(results, result)
+			if err != nil {
+				return results, fmt.Errorf("failed to deploy Hyprland config: %w", err)
+			}
+		}
+	}
+
+	switch terminal {
+	case deps.TerminalGhostty:
+		if shouldReplaceConfig("Ghostty") {
+			ghosttyResults, err := cd.deployGhosttyConfig()
+			results = append(results, ghosttyResults...)
+			if err != nil {
+				return results, fmt.Errorf("failed to deploy Ghostty config: %w", err)
+			}
+		}
+	case deps.TerminalKitty:
+		if shouldReplaceConfig("Kitty") {
+			kittyResults, err := cd.deployKittyConfig()
+			results = append(results, kittyResults...)
+			if err != nil {
+				return results, fmt.Errorf("failed to deploy Kitty config: %w", err)
+			}
+		}
+	case deps.TerminalAlacritty:
+		if shouldReplaceConfig("Alacritty") {
+			alacrittyResults, err := cd.deployAlacrittyConfig()
+			results = append(results, alacrittyResults...)
+			if err != nil {
+				return results, fmt.Errorf("failed to deploy Alacritty config: %w", err)
+			}
+		}
+	}
+
+	// Check if zsh was installed and deploy .zshrc configuration
+	if installedDeps != nil {
+		for _, dep := range installedDeps {
+			if dep.Name == "zsh" && (dep.Status == deps.StatusInstalled || dep.Status == deps.StatusNeedsUpdate) {
+				if shouldReplaceConfig(".zshrc") {
+					zshResult, err := cd.deployZshrcConfig()
+					results = append(results, zshResult)
+					if err != nil {
+						return results, fmt.Errorf("failed to deploy .zshrc config: %w", err)
+					}
+				}
+				break
+			}
+		}
+	}
+
+	return results, nil
+}
+
+// deployNiriConfig handles Niri configuration deployment with backup and merging
+func (cd *ConfigDeployer) deployNiriConfig(terminal deps.Terminal) (DeploymentResult, error) {
+	result := DeploymentResult{
+		ConfigType: "Niri",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "niri", "config.kdl"),
+	}
+
+	configDir := filepath.Dir(result.Path)
+	if err := os.MkdirAll(configDir, 0755); err != nil {
+		result.Error = fmt.Errorf("failed to create config directory: %w", err)
+		return result, result.Error
+	}
+
+	var existingConfig string
+	if _, err := os.Stat(result.Path); err == nil {
+		cd.log("Found existing Niri configuration")
+
+		existingData, err := os.ReadFile(result.Path)
+		if err != nil {
+			result.Error = fmt.Errorf("failed to read existing config: %w", err)
+			return result, result.Error
+		}
+		existingConfig = string(existingData)
+
+		timestamp := time.Now().Format("2006-01-02_15-04-05")
+		result.BackupPath = result.Path + ".backup." + timestamp
+		if err := os.WriteFile(result.BackupPath, existingData, 0644); err != nil {
+			result.Error = fmt.Errorf("failed to create backup: %w", err)
+			return result, result.Error
+		}
+		cd.log(fmt.Sprintf("Backed up existing config to %s", result.BackupPath))
+	}
+
+	// Detect polkit agent path
+	polkitPath, err := cd.detectPolkitAgent()
+	if err != nil {
+		cd.log(fmt.Sprintf("Warning: Could not detect polkit agent: %v", err))
+		polkitPath = "/usr/lib/mate-polkit/polkit-mate-authentication-agent-1" // fallback
+	}
+
+	// Determine terminal command based on choice
+	var terminalCommand string
+	switch terminal {
+	case deps.TerminalGhostty:
+		terminalCommand = "ghostty"
+	case deps.TerminalKitty:
+		terminalCommand = "kitty"
+	case deps.TerminalAlacritty:
+		terminalCommand = "alacritty"
+	default:
+		terminalCommand = "ghostty" // fallback to ghostty
+	}
+
+	newConfig := strings.ReplaceAll(NiriConfig, "{{POLKIT_AGENT_PATH}}", polkitPath)
+	newConfig = strings.ReplaceAll(newConfig, "{{TERMINAL_COMMAND}}", terminalCommand)
+
+	// If there was an existing config, merge the output sections
+	if existingConfig != "" {
+		mergedConfig, err := cd.mergeNiriOutputSections(newConfig, existingConfig)
+		if err != nil {
+			cd.log(fmt.Sprintf("Warning: Failed to merge output sections: %v", err))
+		} else {
+			newConfig = mergedConfig
+			cd.log("Successfully merged existing output sections")
+		}
+	}
+
+	if err := os.WriteFile(result.Path, []byte(newConfig), 0644); err != nil {
+		result.Error = fmt.Errorf("failed to write config: %w", err)
+		return result, result.Error
+	}
+
+	result.Deployed = true
+	cd.log("Successfully deployed Niri configuration")
+	return result, nil
+}
+
+func (cd *ConfigDeployer) deployGhosttyConfig() ([]DeploymentResult, error) {
+	var results []DeploymentResult
+
+	mainResult := DeploymentResult{
+		ConfigType: "Ghostty",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "ghostty", "config"),
+	}
+
+	configDir := filepath.Dir(mainResult.Path)
+	if err := os.MkdirAll(configDir, 0755); err != nil {
+		mainResult.Error = fmt.Errorf("failed to create config directory: %w", err)
+		return []DeploymentResult{mainResult}, mainResult.Error
+	}
+
+	if _, err := os.Stat(mainResult.Path); err == nil {
+		cd.log("Found existing Ghostty configuration")
+
+		existingData, err := os.ReadFile(mainResult.Path)
+		if err != nil {
+			mainResult.Error = fmt.Errorf("failed to read existing config: %w", err)
+			return []DeploymentResult{mainResult}, mainResult.Error
+		}
+
+		timestamp := time.Now().Format("2006-01-02_15-04-05")
+		mainResult.BackupPath = mainResult.Path + ".backup." + timestamp
+		if err := os.WriteFile(mainResult.BackupPath, existingData, 0644); err != nil {
+			mainResult.Error = fmt.Errorf("failed to create backup: %w", err)
+			return []DeploymentResult{mainResult}, mainResult.Error
+		}
+		cd.log(fmt.Sprintf("Backed up existing config to %s", mainResult.BackupPath))
+	}
+
+	if err := os.WriteFile(mainResult.Path, []byte(GhosttyConfig), 0644); err != nil {
+		mainResult.Error = fmt.Errorf("failed to write config: %w", err)
+		return []DeploymentResult{mainResult}, mainResult.Error
+	}
+
+	mainResult.Deployed = true
+	cd.log("Successfully deployed Ghostty configuration")
+	results = append(results, mainResult)
+
+	colorResult := DeploymentResult{
+		ConfigType: "Ghostty Colors",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "ghostty", "config-dankcolors"),
+	}
+
+	if err := os.WriteFile(colorResult.Path, []byte(GhosttyColorConfig), 0644); err != nil {
+		colorResult.Error = fmt.Errorf("failed to write color config: %w", err)
+		return results, colorResult.Error
+	}
+
+	colorResult.Deployed = true
+	cd.log("Successfully deployed Ghostty color configuration")
+	results = append(results, colorResult)
+
+	return results, nil
+}
+
+func (cd *ConfigDeployer) deployKittyConfig() ([]DeploymentResult, error) {
+	var results []DeploymentResult
+
+	mainResult := DeploymentResult{
+		ConfigType: "Kitty",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "kitty", "kitty.conf"),
+	}
+
+	configDir := filepath.Dir(mainResult.Path)
+	if err := os.MkdirAll(configDir, 0755); err != nil {
+		mainResult.Error = fmt.Errorf("failed to create config directory: %w", err)
+		return []DeploymentResult{mainResult}, mainResult.Error
+	}
+
+	if _, err := os.Stat(mainResult.Path); err == nil {
+		cd.log("Found existing Kitty configuration")
+
+		existingData, err := os.ReadFile(mainResult.Path)
+		if err != nil {
+			mainResult.Error = fmt.Errorf("failed to read existing config: %w", err)
+			return []DeploymentResult{mainResult}, mainResult.Error
+		}
+
+		timestamp := time.Now().Format("2006-01-02_15-04-05")
+		mainResult.BackupPath = mainResult.Path + ".backup." + timestamp
+		if err := os.WriteFile(mainResult.BackupPath, existingData, 0644); err != nil {
+			mainResult.Error = fmt.Errorf("failed to create backup: %w", err)
+			return []DeploymentResult{mainResult}, mainResult.Error
+		}
+		cd.log(fmt.Sprintf("Backed up existing config to %s", mainResult.BackupPath))
+	}
+
+	if err := os.WriteFile(mainResult.Path, []byte(KittyConfig), 0644); err != nil {
+		mainResult.Error = fmt.Errorf("failed to write config: %w", err)
+		return []DeploymentResult{mainResult}, mainResult.Error
+	}
+
+	mainResult.Deployed = true
+	cd.log("Successfully deployed Kitty configuration")
+	results = append(results, mainResult)
+
+	themeResult := DeploymentResult{
+		ConfigType: "Kitty Theme",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "kitty", "dank-theme.conf"),
+	}
+
+	if err := os.WriteFile(themeResult.Path, []byte(KittyThemeConfig), 0644); err != nil {
+		themeResult.Error = fmt.Errorf("failed to write theme config: %w", err)
+		return results, themeResult.Error
+	}
+
+	themeResult.Deployed = true
+	cd.log("Successfully deployed Kitty theme configuration")
+	results = append(results, themeResult)
+
+	tabsResult := DeploymentResult{
+		ConfigType: "Kitty Tabs",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "kitty", "dank-tabs.conf"),
+	}
+
+	if err := os.WriteFile(tabsResult.Path, []byte(KittyTabsConfig), 0644); err != nil {
+		tabsResult.Error = fmt.Errorf("failed to write tabs config: %w", err)
+		return results, tabsResult.Error
+	}
+
+	tabsResult.Deployed = true
+	cd.log("Successfully deployed Kitty tabs configuration")
+	results = append(results, tabsResult)
+
+	return results, nil
+}
+
+func (cd *ConfigDeployer) deployAlacrittyConfig() ([]DeploymentResult, error) {
+	var results []DeploymentResult
+
+	mainResult := DeploymentResult{
+		ConfigType: "Alacritty",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "alacritty", "alacritty.toml"),
+	}
+
+	configDir := filepath.Dir(mainResult.Path)
+	if err := os.MkdirAll(configDir, 0755); err != nil {
+		mainResult.Error = fmt.Errorf("failed to create config directory: %w", err)
+		return []DeploymentResult{mainResult}, mainResult.Error
+	}
+
+	if _, err := os.Stat(mainResult.Path); err == nil {
+		cd.log("Found existing Alacritty configuration")
+
+		existingData, err := os.ReadFile(mainResult.Path)
+		if err != nil {
+			mainResult.Error = fmt.Errorf("failed to read existing config: %w", err)
+			return []DeploymentResult{mainResult}, mainResult.Error
+		}
+
+		timestamp := time.Now().Format("2006-01-02_15-04-05")
+		mainResult.BackupPath = mainResult.Path + ".backup." + timestamp
+		if err := os.WriteFile(mainResult.BackupPath, existingData, 0644); err != nil {
+			mainResult.Error = fmt.Errorf("failed to create backup: %w", err)
+			return []DeploymentResult{mainResult}, mainResult.Error
+		}
+		cd.log(fmt.Sprintf("Backed up existing config to %s", mainResult.BackupPath))
+	}
+
+	if err := os.WriteFile(mainResult.Path, []byte(AlacrittyConfig), 0644); err != nil {
+		mainResult.Error = fmt.Errorf("failed to write config: %w", err)
+		return []DeploymentResult{mainResult}, mainResult.Error
+	}
+
+	mainResult.Deployed = true
+	cd.log("Successfully deployed Alacritty configuration")
+	results = append(results, mainResult)
+
+	themeResult := DeploymentResult{
+		ConfigType: "Alacritty Theme",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "alacritty", "dank-theme.toml"),
+	}
+
+	if err := os.WriteFile(themeResult.Path, []byte(AlacrittyThemeConfig), 0644); err != nil {
+		themeResult.Error = fmt.Errorf("failed to write theme config: %w", err)
+		return results, themeResult.Error
+	}
+
+	themeResult.Deployed = true
+	cd.log("Successfully deployed Alacritty theme configuration")
+	results = append(results, themeResult)
+
+	return results, nil
+}
+
+// detectPolkitAgent tries to find the polkit authentication agent on the system
+// Prioritizes mate-polkit paths since that's what we install
+func (cd *ConfigDeployer) detectPolkitAgent() (string, error) {
+	// Prioritize mate-polkit paths first
+	matePaths := []string{
+		"/usr/libexec/polkit-mate-authentication-agent-1", // Fedora path
+		"/usr/lib/mate-polkit/polkit-mate-authentication-agent-1",
+		"/usr/libexec/mate-polkit/polkit-mate-authentication-agent-1",
+		"/usr/lib/polkit-mate/polkit-mate-authentication-agent-1",
+		"/usr/lib/x86_64-linux-gnu/mate-polkit/polkit-mate-authentication-agent-1",
+	}
+
+	for _, path := range matePaths {
+		if _, err := os.Stat(path); err == nil {
+			cd.log(fmt.Sprintf("Found mate-polkit agent at: %s", path))
+			return path, nil
+		}
+	}
+
+	// Fallback to other polkit agents if mate-polkit is not found
+	fallbackPaths := []string{
+		"/usr/lib/polkit-gnome/polkit-gnome-authentication-agent-1",
+		"/usr/libexec/polkit-gnome-authentication-agent-1",
+	}
+
+	for _, path := range fallbackPaths {
+		if _, err := os.Stat(path); err == nil {
+			cd.log(fmt.Sprintf("Found fallback polkit agent at: %s", path))
+			return path, nil
+		}
+	}
+
+	return "", fmt.Errorf("no polkit agent found in common locations")
+}
+
+// mergeNiriOutputSections extracts output sections from existing config and merges them into the new config
+func (cd *ConfigDeployer) mergeNiriOutputSections(newConfig, existingConfig string) (string, error) {
+	// Regular expression to match output sections (including commented ones)
+	outputRegex := regexp.MustCompile(`(?m)^(/-)?\s*output\s+"[^"]+"\s*\{[^{}]*(?:\{[^{}]*\}[^{}]*)*\}`)
+
+	// Find all output sections in the existing config
+	existingOutputs := outputRegex.FindAllString(existingConfig, -1)
+
+	if len(existingOutputs) == 0 {
+		// No output sections to merge
+		return newConfig, nil
+	}
+
+	// Remove the example output section from the new config
+	exampleOutputRegex := regexp.MustCompile(`(?m)^/-output "eDP-2" \{[^{}]*(?:\{[^{}]*\}[^{}]*)*\}`)
+	mergedConfig := exampleOutputRegex.ReplaceAllString(newConfig, "")
+
+	// Find where to insert the output sections (after the input section)
+	inputEndRegex := regexp.MustCompile(`(?m)^}$`)
+	inputMatches := inputEndRegex.FindAllStringIndex(newConfig, -1)
+
+	if len(inputMatches) < 1 {
+		return "", fmt.Errorf("could not find insertion point for output sections")
+	}
+
+	// Insert after the first closing brace (end of input section)
+	insertPos := inputMatches[0][1]
+
+	var builder strings.Builder
+	builder.WriteString(mergedConfig[:insertPos])
+	builder.WriteString("\n// Outputs from existing configuration\n")
+
+	for _, output := range existingOutputs {
+		builder.WriteString(output)
+		builder.WriteString("\n")
+	}
+
+	builder.WriteString(mergedConfig[insertPos:])
+
+	return builder.String(), nil
+}
+
+// deployHyprlandConfig handles Hyprland configuration deployment with backup and merging
+func (cd *ConfigDeployer) deployHyprlandConfig(terminal deps.Terminal) (DeploymentResult, error) {
+	result := DeploymentResult{
+		ConfigType: "Hyprland",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "hypr", "hyprland.conf"),
+	}
+
+	configDir := filepath.Dir(result.Path)
+	if err := os.MkdirAll(configDir, 0755); err != nil {
+		result.Error = fmt.Errorf("failed to create config directory: %w", err)
+		return result, result.Error
+	}
+
+	var existingConfig string
+	if _, err := os.Stat(result.Path); err == nil {
+		cd.log("Found existing Hyprland configuration")
+
+		existingData, err := os.ReadFile(result.Path)
+		if err != nil {
+			result.Error = fmt.Errorf("failed to read existing config: %w", err)
+			return result, result.Error
+		}
+		existingConfig = string(existingData)
+
+		timestamp := time.Now().Format("2006-01-02_15-04-05")
+		result.BackupPath = result.Path + ".backup." + timestamp
+		if err := os.WriteFile(result.BackupPath, existingData, 0644); err != nil {
+			result.Error = fmt.Errorf("failed to create backup: %w", err)
+			return result, result.Error
+		}
+		cd.log(fmt.Sprintf("Backed up existing config to %s", result.BackupPath))
+	}
+
+	// Detect polkit agent path
+	polkitPath, err := cd.detectPolkitAgent()
+	if err != nil {
+		cd.log(fmt.Sprintf("Warning: Could not detect polkit agent: %v", err))
+		polkitPath = "/usr/lib/mate-polkit/polkit-mate-authentication-agent-1" // fallback
+	}
+
+	// Determine terminal command based on choice
+	var terminalCommand string
+	switch terminal {
+	case deps.TerminalGhostty:
+		terminalCommand = "ghostty"
+	case deps.TerminalKitty:
+		terminalCommand = "kitty"
+	case deps.TerminalAlacritty:
+		terminalCommand = "alacritty"
+	default:
+		terminalCommand = "ghostty" // fallback to ghostty
+	}
+
+	newConfig := strings.ReplaceAll(HyprlandConfig, "{{POLKIT_AGENT_PATH}}", polkitPath)
+	newConfig = strings.ReplaceAll(newConfig, "{{TERMINAL_COMMAND}}", terminalCommand)
+
+	// If there was an existing config, merge the monitor sections
+	if existingConfig != "" {
+		mergedConfig, err := cd.mergeHyprlandMonitorSections(newConfig, existingConfig)
+		if err != nil {
+			cd.log(fmt.Sprintf("Warning: Failed to merge monitor sections: %v", err))
+		} else {
+			newConfig = mergedConfig
+			cd.log("Successfully merged existing monitor sections")
+		}
+	}
+
+	if err := os.WriteFile(result.Path, []byte(newConfig), 0644); err != nil {
+		result.Error = fmt.Errorf("failed to write config: %w", err)
+		return result, result.Error
+	}
+
+	result.Deployed = true
+	cd.log("Successfully deployed Hyprland configuration")
+	return result, nil
+}
+
+// mergeHyprlandMonitorSections extracts monitor sections from existing config and merges them into the new config
+func (cd *ConfigDeployer) mergeHyprlandMonitorSections(newConfig, existingConfig string) (string, error) {
+	// Regular expression to match monitor lines (including commented ones)
+	// Matches: monitor = NAME, RESOLUTION, POSITION, SCALE, etc.
+	// Also matches commented versions: # monitor = ...
+	monitorRegex := regexp.MustCompile(`(?m)^#?\s*monitor\s*=.*$`)
+
+	// Find all monitor lines in the existing config
+	existingMonitors := monitorRegex.FindAllString(existingConfig, -1)
+
+	if len(existingMonitors) == 0 {
+		// No monitor sections to merge
+		return newConfig, nil
+	}
+
+	// Remove the example monitor line from the new config
+	exampleMonitorRegex := regexp.MustCompile(`(?m)^# monitor = eDP-2.*$`)
+	mergedConfig := exampleMonitorRegex.ReplaceAllString(newConfig, "")
+
+	// Find where to insert the monitor sections (after the MONITOR CONFIG header)
+	monitorHeaderRegex := regexp.MustCompile(`(?m)^# MONITOR CONFIG\n# ==================$`)
+	headerMatch := monitorHeaderRegex.FindStringIndex(mergedConfig)
+
+	if headerMatch == nil {
+		return "", fmt.Errorf("could not find MONITOR CONFIG section")
+	}
+
+	// Insert after the header
+	insertPos := headerMatch[1] + 1 // +1 for the newline
+
+	var builder strings.Builder
+	builder.WriteString(mergedConfig[:insertPos])
+	builder.WriteString("# Monitors from existing configuration\n")
+
+	for _, monitor := range existingMonitors {
+		builder.WriteString(monitor)
+		builder.WriteString("\n")
+	}
+
+	builder.WriteString(mergedConfig[insertPos:])
+
+	return builder.String(), nil
+}
+
+// deployZshrcConfig handles .zshrc configuration deployment with backup
+func (cd *ConfigDeployer) deployZshrcConfig() (DeploymentResult, error) {
+	result := DeploymentResult{
+		ConfigType: ".zshrc",
+		Path:       filepath.Join(os.Getenv("HOME"), ".zshrc"),
+	}
+
+	// Check if .zshrc already exists
+	if _, err := os.Stat(result.Path); err == nil {
+		cd.log("Found existing .zshrc configuration")
+
+		existingData, err := os.ReadFile(result.Path)
+		if err != nil {
+			result.Error = fmt.Errorf("failed to read existing .zshrc: %w", err)
+			return result, result.Error
+		}
+
+		timestamp := time.Now().Format("2006-01-02_15-04-05")
+		result.BackupPath = result.Path + ".backup." + timestamp
+		if err := os.WriteFile(result.BackupPath, existingData, 0644); err != nil {
+			result.Error = fmt.Errorf("failed to create backup: %w", err)
+			return result, result.Error
+		}
+		cd.log(fmt.Sprintf("Backed up existing .zshrc to %s", result.BackupPath))
+	}
+
+	// Write the new .zshrc configuration
+	if err := os.WriteFile(result.Path, []byte(ZshrcConfig), 0644); err != nil {
+		result.Error = fmt.Errorf("failed to write .zshrc: %w", err)
+		return result, result.Error
+	}
+
+	result.Deployed = true
+	cd.log("Successfully deployed .zshrc configuration")
+	return result, nil
+}