added required partitioning package installations

tui/steps/install.go

@@ -72,6 +72,11 @@ func (m InstallModel) startInstall() tea.Cmd {
 }
 
 func (m InstallModel) performInstall() error {
+	// Check for required tools before starting installation
+	if err := m.checkRequiredTools(); err != nil {
+		return fmt.Errorf("missing required tools: %w", err)
+	}
+
 	m.updateProgress(1, "Partitioning disk...")
 	if err := m.partitionDisk(); err != nil {
 		return fmt.Errorf("partitioning failed: %w", err)
@@ -115,6 +120,81 @@ func (m InstallModel) performInstall() error {
 	return nil
 }
 
+func (m InstallModel) checkRequiredTools() error {
+	requiredTools := []string{
+		"sgdisk",
+		"wipefs",
+		"partprobe",
+		"mkfs.fat",
+		"mkfs.btrfs",
+		"mount",
+		"umount",
+		"dd",
+		"blkid",
+		"fuser",
+	}
+
+	missingTools := []string{}
+	for _, tool := range requiredTools {
+		if _, err := exec.LookPath(tool); err != nil {
+			missingTools = append(missingTools, tool)
+		}
+	}
+
+	if len(missingTools) > 0 {
+		// Try to install missing tools
+		if err := m.installMissingTools(missingTools); err != nil {
+			return fmt.Errorf("failed to install missing tools %v: %w", missingTools, err)
+		}
+	}
+
+	return nil
+}
+
+func (m InstallModel) installMissingTools(tools []string) error {
+	// Install required packages for partitioning tools
+	requiredPackages := []string{}
+	
+	// Map tools to packages that provide them
+	toolToPackage := map[string]string{
+		"sgdisk":     "gptfdisk",
+		"wipefs":     "util-linux",
+		"partprobe":  "parted",
+		"mkfs.fat":   "dosfstools",
+		"mkfs.btrfs": "btrfs-progs",
+		"blkid":      "util-linux",
+		"fuser":      "psmisc",
+	}
+	
+	// Determine which packages need to be installed
+	neededPackages := make(map[string]bool)
+	for _, tool := range tools {
+		if pkg, exists := toolToPackage[tool]; exists {
+			neededPackages[pkg] = true
+		}
+	}
+	
+	// Convert map to slice
+	for pkg := range neededPackages {
+		requiredPackages = append(requiredPackages, pkg)
+	}
+	
+	if len(requiredPackages) == 0 {
+		return nil
+	}
+	
+	// Install the packages
+	m.updateProgress(m.currentStep, "Installing required tools...")
+	cmd := exec.Command("pacman", "-Sy", "--noconfirm")
+	cmd.Args = append(cmd.Args, requiredPackages...)
+	
+	if output, err := cmd.CombinedOutput(); err != nil {
+		return fmt.Errorf("failed to install required packages: %w\nOutput: %s", err, string(output))
+	}
+	
+	return nil
+}
+
 func (m InstallModel) updateProgress(step int, message string) {
 	m.currentStep = step
 	m.status = message