repo_description: Fabric is an open-source framework for augmenting humans using AI. It provides a modular system for solving specific problems using a crowdsourced set of AI prompts that can be used anywhere.
repo_topics: ai augmentation flourishing life work
code: package main
  
  import (
  	"fmt"
  	"os"
  	"path/filepath"
  
  	"github.com/danielmiessler/fabric/cmd/generate_changelog/internal"
  	"github.com/danielmiessler/fabric/cmd/generate_changelog/internal/changelog"
  	"github.com/danielmiessler/fabric/cmd/generate_changelog/internal/config"
  	"github.com/danielmiessler/fabric/cmd/generate_changelog/util"
  	"github.com/joho/godotenv"
  	"github.com/spf13/cobra"
  )
  
  var (
  	cfg = &config.Config{}
  )
  
  var rootCmd = &cobra.Command{
  	Use:   "generate_changelog",
  	Short: "Generate changelog from git history and GitHub PRs",
  	Long: `A high-performance changelog generator that walks git history,
  collects version information and pull requests, and generates a
  comprehensive changelog in markdown format.`,
  	RunE:         run,
  	SilenceUsage: true, // Don't show usage on runtime errors, only on flag errors
  }
  
  func init() {
  	rootCmd.Flags().StringVarP(&cfg.RepoPath, "repo", "r", ".", "Repository path")
  	rootCmd.Flags().StringVarP(&cfg.OutputFile, "output", "o", "", "Output file (default: stdout)")
  	rootCmd.Flags().IntVarP(&cfg.Limit, "limit", "l", 0, "Limit number of versions (0 = all)")
  	rootCmd.Flags().StringVarP(&cfg.Version, "version", "v", "", "Generate changelog for specific version")
  	rootCmd.Flags().BoolVar(&cfg.SaveData, "save-data", false, "Save version data to JSON for debugging")
  	rootCmd.Flags().StringVar(&cfg.CacheFile, "cache", "./cmd/generate_changelog/changelog.db", "Cache database file")
  	rootCmd.Flags().BoolVar(&cfg.NoCache, "no-cache", false, "Disable cache usage")
  	rootCmd.Flags().BoolVar(&cfg.RebuildCache, "rebuild-cache", false, "Rebuild cache from scratch")
  	rootCmd.Flags().StringVar(&cfg.GitHubToken, "token", "", "GitHub API token (or set GITHUB_TOKEN env var)")
  	rootCmd.Flags().BoolVar(&cfg.ForcePRSync, "force-pr-sync", false, "Force a full PR sync from GitHub (ignores cache age)")
  	rootCmd.Flags().BoolVar(&cfg.EnableAISummary, "ai-summarize", false, "Generate AI-enhanced summaries using Fabric")
  	rootCmd.Flags().IntVar(&cfg.IncomingPR, "incoming-pr", 0, "Pre-process PR for changelog (provide PR number)")
  	rootCmd.Flags().StringVar(&cfg.ProcessPRsVersion, "process-prs", "", "Process all incoming PR files for release (provide version like v1.4.262)")
  	rootCmd.Flags().StringVar(&cfg.IncomingDir, "incoming-dir", "./cmd/generate_changelog/incoming", "Directory for incoming PR files")
  	rootCmd.Flags().BoolVar(&cfg.Push, "push", false, "Enable automatic git push after creating an incoming entry")
  	rootCmd.Flags().BoolVar(&cfg.SyncDB, "sync-db", false, "Synchronize and validate database integrity with git history and GitHub PRs")
  	rootCmd.Flags().StringVar(&cfg.Release, "release", "", "Update GitHub release description with AI summary for version (e.g., v1.2.3)")
  }
  
  func run(cmd *cobra.Command, args []string) error {
  	if cfg.IncomingPR > 0 && cfg.ProcessPRsVersion != "" {
  		return fmt.Errorf("--incoming-pr and --process-prs are mutually exclusive flags")
  	}
  
  	if cfg.Release != "" && (cfg.IncomingPR > 0 || cfg.ProcessPRsVersion != "" || cfg.SyncDB) {
  		return fmt.Errorf("--release cannot be used with other processing flags")
  	}
  
  	cfg.GitHubToken = util.GetTokenFromEnv(cfg.GitHubToken)
  
  	generator, err := changelog.New(cfg)
  	if err != nil {
  		return fmt.Errorf("failed to create changelog generator: %w", err)
  	}
  
  	if cfg.IncomingPR > 0 {
  		return generator.ProcessIncomingPR(cfg.IncomingPR)
  	}
  
  	if cfg.ProcessPRsVersion != "" {
  		return generator.CreateNewChangelogEntry(cfg.ProcessPRsVersion)
  	}
  
  	if cfg.SyncDB {
  		return generator.SyncDatabase()
  	}
  
  	if cfg.Release != "" {
  		releaseManager, err := internal.NewReleaseManager(cfg)
  		if err != nil {
  			return fmt.Errorf("failed to create release manager: %w", err)
  		}
  		defer releaseManager.Close()
  		return releaseManager.UpdateReleaseDescription(cfg.Release)
  	}
  
  	output, err := generator.Generate()
  	if err != nil {
  		return fmt.Errorf("failed to generate changelog: %w", err)
  	}
  
  	if cfg.OutputFile != "" {
  		if err := os.WriteFile(cfg.OutputFile, []byte(output), 0644); err != nil {
  			return fmt.Errorf("failed to write output file: %w", err)
  		}
  		fmt.Printf("Changelog written to %s\n", cfg.OutputFile)
  	} else {
  		fmt.Print(output)
  	}
  
  	return nil
  }
  
  func main() {
  	// Load .env file from the same directory as the binary
  	if exePath, err := os.Executable(); err == nil {
  		envPath := filepath.Join(filepath.Dir(exePath), ".env")
  		if _, err := os.Stat(envPath); err == nil {
  			// .env file exists, load it
  			if err := godotenv.Load(envPath); err != nil {
  				fmt.Fprintf(os.Stderr, "Warning: Failed to load .env file: %v\n", err)
  			}
  		}
  	}
  
  	rootCmd.Execute()
  }
  