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Context propagation with graceful cancellation (bd-rtp, bd-yb8, bd-2o2)

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Complete implementation of signal-aware context propagation for graceful
cancellation across all commands and storage operations.

Key changes:

1. Signal-aware contexts (bd-rtp):
   - Added rootCtx/rootCancel in main.go using signal.NotifyContext()
   - Set up in PersistentPreRun, cancelled in PersistentPostRun
   - Daemon uses same pattern in runDaemonLoop()
   - Handles SIGINT/SIGTERM for graceful shutdown

2. Context propagation (bd-yb8):
   - All commands now use rootCtx instead of context.Background()
   - sqlite.New() receives context for cancellable operations
   - Database operations respect context cancellation
   - Storage layer propagates context through all queries

3. Cancellation tests (bd-2o2):
   - Added import_cancellation_test.go with comprehensive tests
   - Added export cancellation test in export_test.go
   - Tests verify database integrity after cancellation
   - All cancellation tests passing

Fixes applied during review:
   - Fixed rootCtx lifecycle (removed premature defer from PersistentPreRun)
   - Fixed test context contamination (reset rootCtx in test cleanup)
   - Fixed export tests missing context setup

Impact:
   - Pressing Ctrl+C during import/export now cancels gracefully
   - No database corruption or hanging transactions
   - Clean shutdown of all operations

Tested:
   - go build ./cmd/bd ✓
   - go test ./cmd/bd -run TestImportCancellation ✓
   - go test ./cmd/bd -run TestExportCommand ✓
   - Manual Ctrl+C testing verified

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

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Steve Yegge
2025-11-20 21:57:23 -05:00
parent 91c684cdbe
commit 57253f93a3
72 changed files with 387 additions and 232 deletions
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17
internal/storage/sqlite/bench_helpers_test.go
View File

@@ -90,7 +90,10 @@ func getCachedOrGenerateDB(b *testing.B, cacheKey string, generateFn func(contex
b.Logf("This is a one-time operation that will be cached for future runs...")
b.Logf("Expected time: ~1-3 minutes for 10K issues, ~2-6 minutes for 20K issues")
store, err := New(dbPath)
ctx := context.Background()
store, err := New(ctx, dbPath)
if err != nil {
b.Fatalf("Failed to create storage: %v", err)
}
@@ -165,7 +168,9 @@ func setupLargeBenchDB(b *testing.B) (*SQLiteStorage, func()) {
}
// Open the temporary copy
store, err := New(tmpPath)
ctx := context.Background()
store, err := New(ctx, tmpPath)
if err != nil {
b.Fatalf("Failed to open database: %v", err)
}
@@ -198,7 +203,9 @@ func setupXLargeBenchDB(b *testing.B) (*SQLiteStorage, func()) {
}
// Open the temporary copy
store, err := New(tmpPath)
ctx := context.Background()
store, err := New(ctx, tmpPath)
if err != nil {
b.Fatalf("Failed to open database: %v", err)
}
@@ -234,7 +241,9 @@ func setupLargeFromJSONL(b *testing.B) (*SQLiteStorage, func()) {
}
// Open the temporary copy
store, err := New(tmpPath)
ctx := context.Background()
store, err := New(ctx, tmpPath)
if err != nil {
b.Fatalf("Failed to open database: %v", err)
}