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feat(import,sync): add --no-git-history flag to prevent spurious deletions

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Fixes bd-0b2: The git history backfill mechanism was causing data loss
during JSONL filename migrations (beads.jsonl → issues.jsonl). When issues
existed in the old filename's git history, the backfill incorrectly treated
them as "deleted" and purged them from the database.

Changes:
- Add NoGitHistory field to importer.Options and ImportOptions structs
- Modify purgeDeletedIssues() to skip git history check when flag is set
- Add --no-git-history flag to bd import command
- Add --no-git-history flag to bd sync command
- Update purge_test.go to pass Options argument

Usage:
  bd import -i .beads/issues.jsonl --no-git-history
  bd sync --no-git-history

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Steve Yegge
2025-11-26 23:10:43 -08:00
parent 6294ef0cc6
commit 5506486dc5
6 changed files with 33 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
cmd/bd/sync.go
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@@ -51,6 +51,7 @@ Use --merge to merge the sync branch back to main branch.`,
status, _ := cmd.Flags().GetBool("status")
merge, _ := cmd.Flags().GetBool("merge")
fromMain, _ := cmd.Flags().GetBool("from-main")
noGitHistory, _ := cmd.Flags().GetBool("no-git-history")
// Find JSONL path
jsonlPath := findJSONLPath()
@@ -79,7 +80,7 @@ Use --merge to merge the sync branch back to main branch.`,
// If from-main mode, one-way sync from main branch (gt-ick9: ephemeral branch support)
if fromMain {
if err := doSyncFromMain(ctx, jsonlPath, renameOnImport, dryRun); err != nil {
if err := doSyncFromMain(ctx, jsonlPath, renameOnImport, dryRun, noGitHistory); err != nil {
fmt.Fprintf(os.Stderr, "Error: %v\n", err)
os.Exit(1)
}
@@ -92,7 +93,7 @@ Use --merge to merge the sync branch back to main branch.`,
fmt.Println("→ [DRY RUN] Would import from JSONL")
} else {
fmt.Println("→ Importing from JSONL...")
if err := importFromJSONL(ctx, jsonlPath, renameOnImport); err != nil {
if err := importFromJSONL(ctx, jsonlPath, renameOnImport, noGitHistory); err != nil {
fmt.Fprintf(os.Stderr, "Error importing: %v\n", err)
os.Exit(1)
}
@@ -137,7 +138,7 @@ Use --merge to merge the sync branch back to main branch.`,
if hasGitRemote(ctx) {
// Remote exists but no upstream - use from-main mode
fmt.Println("→ No upstream configured, using --from-main mode")
if err := doSyncFromMain(ctx, jsonlPath, renameOnImport, dryRun); err != nil {
if err := doSyncFromMain(ctx, jsonlPath, renameOnImport, dryRun, noGitHistory); err != nil {
fmt.Fprintf(os.Stderr, "Error: %v\n", err)
os.Exit(1)
}
@@ -163,7 +164,7 @@ Use --merge to merge the sync branch back to main branch.`,
if divergence > 0.5 { // >50% more issues in DB than JSONL
fmt.Printf("→ DB has %d issues but JSONL has %d (stale DB detected)\n", dbCount, jsonlCount)
fmt.Println("→ Importing JSONL first (ZFC)...")
if err := importFromJSONL(ctx, jsonlPath, renameOnImport); err != nil {
if err := importFromJSONL(ctx, jsonlPath, renameOnImport, noGitHistory); err != nil {
fmt.Fprintf(os.Stderr, "Error importing (ZFC): %v\n", err)
os.Exit(1)
}
@@ -319,7 +320,7 @@ Use --merge to merge the sync branch back to main branch.`,
// Step 4: Import updated JSONL after pull
fmt.Println("→ Importing updated JSONL...")
if err := importFromJSONL(ctx, jsonlPath, renameOnImport); err != nil {
if err := importFromJSONL(ctx, jsonlPath, renameOnImport, noGitHistory); err != nil {
fmt.Fprintf(os.Stderr, "Error importing: %v\n", err)
os.Exit(1)
}
@@ -450,6 +451,7 @@ func init() {
syncCmd.Flags().Bool("status", false, "Show diff between sync branch and main branch")
syncCmd.Flags().Bool("merge", false, "Merge sync branch back to main branch")
syncCmd.Flags().Bool("from-main", false, "One-way sync from main branch (for ephemeral branches without upstream)")
syncCmd.Flags().Bool("no-git-history", false, "Skip git history backfill for deletions (use during JSONL filename migrations)")
syncCmd.Flags().BoolVar(&jsonOutput, "json", false, "Output sync statistics in JSON format")
rootCmd.AddCommand(syncCmd)
}
@@ -758,7 +760,7 @@ func getDefaultBranch(ctx context.Context) string {
// doSyncFromMain performs a one-way sync from the default branch (main/master)
// Used for ephemeral branches without upstream tracking (gt-ick9)
// This fetches beads from main and imports them, discarding local beads changes.
func doSyncFromMain(ctx context.Context, jsonlPath string, renameOnImport bool, dryRun bool) error {
func doSyncFromMain(ctx context.Context, jsonlPath string, renameOnImport bool, dryRun bool, noGitHistory bool) error {
if dryRun {
fmt.Println("→ [DRY RUN] Would sync beads from main branch")
fmt.Println(" 1. Fetch origin main")
@@ -796,7 +798,7 @@ func doSyncFromMain(ctx context.Context, jsonlPath string, renameOnImport bool,
// Step 3: Import JSONL
fmt.Println("→ Importing JSONL...")
if err := importFromJSONL(ctx, jsonlPath, renameOnImport); err != nil {
if err := importFromJSONL(ctx, jsonlPath, renameOnImport, noGitHistory); err != nil {
return fmt.Errorf("import failed: %w", err)
}
@@ -1156,7 +1158,7 @@ func mergeSyncBranch(ctx context.Context, dryRun bool) error {
}
// importFromJSONL imports the JSONL file by running the import command
func importFromJSONL(ctx context.Context, jsonlPath string, renameOnImport bool) error {
func importFromJSONL(ctx context.Context, jsonlPath string, renameOnImport bool, noGitHistory ...bool) error {
// Get current executable path to avoid "./bd" path issues
exe, err := os.Executable()
if err != nil {
@@ -1168,6 +1170,10 @@ func importFromJSONL(ctx context.Context, jsonlPath string, renameOnImport bool)
if renameOnImport {
args = append(args, "--rename-on-import")
}
// Handle optional noGitHistory parameter
if len(noGitHistory) > 0 && noGitHistory[0] {
args = append(args, "--no-git-history")
}
// Run import command
cmd := exec.CommandContext(ctx, exe, args...) // #nosec G204 - bd import command from trusted binary