sync file generator

pkg/config/config.go

@@ -0,0 +1,108 @@
+// Package config handles the configuration settings for the GitHub mirror sync tool.
+package config
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/spf13/cobra"
+)
+
+// Config holds the application configuration.
+type Config struct {
+	// GitHub token for authentication
+	GithubToken string
+
+	// Repository URLs
+	PrimaryRepo string
+	MirrorRepo  string
+
+	// Branch names
+	PrimaryBranch string
+	MirrorBranch  string
+
+	// Synchronization settings
+	SyncInterval string
+	ForceSync    bool
+
+	// Output configuration
+	OutputFile    string
+	SetupWorkflow bool
+	Verbose       bool
+}
+
+var (
+	config Config
+
+	// Flags
+	primaryRepo   string
+	mirrorRepo    string
+	primaryBranch string
+	mirrorBranch  string
+	syncInterval  string
+	forceSync     bool
+	outputFile    string
+	setupWorkflow bool
+	verbose       bool
+)
+
+// AddFlags adds the configuration flags to the given command.
+func AddFlags(cmd *cobra.Command) {
+	cmd.Flags().StringVarP(&primaryRepo, "primary", "p", "", "Primary repository URL (required)")
+	cmd.Flags().StringVarP(&mirrorRepo, "mirror", "m", "", "GitHub mirror repository URL (required)")
+	cmd.Flags().StringVar(&primaryBranch, "primary-branch", "main", "Primary repository branch name")
+	cmd.Flags().StringVar(&mirrorBranch, "mirror-branch", "main", "GitHub mirror repository branch name")
+	cmd.Flags().StringVarP(&syncInterval, "interval", "i", "hourly", "Sync interval (hourly, daily, weekly)")
+	cmd.Flags().BoolVar(&forceSync, "force", true, "Force sync by overwriting mirror with primary content")
+	cmd.Flags().StringVarP(&outputFile, "output", "o", "", "Output file for workflow YAML (writes to stdout if not specified)")
+	cmd.Flags().BoolVar(&setupWorkflow, "setup", false, "Automatically setup the workflow in the GitHub repository")
+	cmd.Flags().BoolVarP(&verbose, "verbose", "v", false, "Enable verbose logging")
+
+	cmd.MarkFlagRequired("primary")
+	cmd.MarkFlagRequired("mirror")
+}
+
+// Load parses the flags and environment variables to build the configuration.
+func Load() (*Config, error) {
+	// Get GitHub token from environment
+	githubToken := os.Getenv("GH_TOKEN")
+	if githubToken == "" {
+		githubToken = os.Getenv("GITHUB_TOKEN")
+	}
+	if githubToken == "" && setupWorkflow {
+		return nil, fmt.Errorf("GitHub token not found in environment (GH_TOKEN or GITHUB_TOKEN) but required for --setup")
+	}
+
+	// Validate repositories
+	if primaryRepo == "" {
+		return nil, fmt.Errorf("primary repository URL is required")
+	}
+	if mirrorRepo == "" {
+		return nil, fmt.Errorf("mirror repository URL is required")
+	}
+
+	// Validate sync interval
+	switch strings.ToLower(syncInterval) {
+	case "hourly", "daily", "weekly":
+		// valid
+	default:
+		return nil, fmt.Errorf("invalid sync interval: %s (must be hourly, daily, or weekly)", syncInterval)
+	}
+
+	// Set the values in the config struct
+	config = Config{
+		GithubToken:   githubToken,
+		PrimaryRepo:   primaryRepo,
+		MirrorRepo:    mirrorRepo,
+		PrimaryBranch: primaryBranch,
+		MirrorBranch:  mirrorBranch,
+		SyncInterval:  syncInterval,
+		ForceSync:     forceSync,
+		OutputFile:    outputFile,
+		SetupWorkflow: setupWorkflow,
+		Verbose:       verbose,
+	}
+
+	return &config, nil
+}