fix: golangci-lint v2 config and lint-clean production code
- Fix .golangci.yml for v2 format (linters-settings -> linters.settings) - All production code now passes golangci-lint with zero issues - Line length 88, funlen 80/50, cyclop 15, dupl 100 - Extract shared helpers in db (scanChannels, scanInt64s, scanMessages) - Split runMigrations into applyMigration/execMigration - Fix fanOut return signature (remove unused int64) - Add fanOutSilent helper to avoid dogsled - Rewrite CLI code for lint compliance (nlreturn, wsl_v5, noctx, etc) - Rename CLI api package to chatapi to avoid revive var-naming - Fix all noinlineerr, mnd, perfsprint, funcorder issues - Fix db tests: extract helpers, add t.Parallel, proper error checks - Broker tests already clean - Handler integration tests still have lint issues (next commit)
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@@ -16,13 +16,11 @@ import (
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"git.eeqj.de/sneak/chat/internal/logger"
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"go.uber.org/fx"
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_ "github.com/joho/godotenv/autoload" // loads .env file
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_ "modernc.org/sqlite" // SQLite driver
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_ "github.com/joho/godotenv/autoload" // .env
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_ "modernc.org/sqlite" // driver
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)
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const (
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minMigrationParts = 2
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)
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const minMigrationParts = 2
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// SchemaFiles contains embedded SQL migration files.
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//
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@@ -37,15 +35,18 @@ type Params struct {
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Config *config.Config
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}
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// Database manages the SQLite database connection and migrations.
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// Database manages the SQLite connection and migrations.
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type Database struct {
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db *sql.DB
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log *slog.Logger
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params *Params
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}
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// New creates a new Database instance and registers lifecycle hooks.
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func New(lc fx.Lifecycle, params Params) (*Database, error) {
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// New creates a new Database and registers lifecycle hooks.
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func New(
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lc fx.Lifecycle,
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params Params,
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) (*Database, error) {
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s := new(Database)
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s.params = ¶ms
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s.log = params.Logger.Get()
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@@ -55,13 +56,16 @@ func New(lc fx.Lifecycle, params Params) (*Database, error) {
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lc.Append(fx.Hook{
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OnStart: func(ctx context.Context) error {
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s.log.Info("Database OnStart Hook")
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return s.connect(ctx)
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},
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OnStop: func(_ context.Context) error {
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s.log.Info("Database OnStop Hook")
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if s.db != nil {
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return s.db.Close()
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}
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return nil
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},
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})
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@@ -84,20 +88,29 @@ func (s *Database) connect(ctx context.Context) error {
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d, err := sql.Open("sqlite", dbURL)
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if err != nil {
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s.log.Error("failed to open database", "error", err)
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s.log.Error(
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"failed to open database", "error", err,
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)
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return err
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}
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err = d.PingContext(ctx)
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if err != nil {
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s.log.Error("failed to ping database", "error", err)
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s.log.Error(
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"failed to ping database", "error", err,
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)
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return err
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}
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s.db = d
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s.log.Info("database connected")
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if _, err := s.db.ExecContext(ctx, "PRAGMA foreign_keys = ON"); err != nil {
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_, err = s.db.ExecContext(
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ctx, "PRAGMA foreign_keys = ON",
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)
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if err != nil {
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return fmt.Errorf("enable foreign keys: %w", err)
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}
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@@ -110,14 +123,17 @@ type migration struct {
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sql string
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}
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func (s *Database) runMigrations(ctx context.Context) error {
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func (s *Database) runMigrations(
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ctx context.Context,
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) error {
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_, err := s.db.ExecContext(ctx,
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`CREATE TABLE IF NOT EXISTS schema_migrations (
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version INTEGER PRIMARY KEY,
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applied_at DATETIME DEFAULT CURRENT_TIMESTAMP
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)`)
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version INTEGER PRIMARY KEY,
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applied_at DATETIME DEFAULT CURRENT_TIMESTAMP)`)
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if err != nil {
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return fmt.Errorf("create schema_migrations table: %w", err)
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return fmt.Errorf(
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"create schema_migrations: %w", err,
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)
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}
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migrations, err := s.loadMigrations()
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@@ -126,74 +142,125 @@ func (s *Database) runMigrations(ctx context.Context) error {
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}
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for _, m := range migrations {
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var exists int
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err := s.db.QueryRowContext(ctx,
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"SELECT COUNT(*) FROM schema_migrations WHERE version = ?",
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m.version,
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).Scan(&exists)
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err = s.applyMigration(ctx, m)
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if err != nil {
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return fmt.Errorf("check migration %d: %w", m.version, err)
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}
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if exists > 0 {
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continue
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}
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s.log.Info("applying migration", "version", m.version, "name", m.name)
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tx, err := s.db.BeginTx(ctx, nil)
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if err != nil {
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return fmt.Errorf("begin tx for migration %d: %w", m.version, err)
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}
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_, err = tx.ExecContext(ctx, m.sql)
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if err != nil {
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_ = tx.Rollback()
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return fmt.Errorf("apply migration %d (%s): %w", m.version, m.name, err)
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}
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_, err = tx.ExecContext(ctx,
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"INSERT INTO schema_migrations (version) VALUES (?)",
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m.version,
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)
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if err != nil {
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_ = tx.Rollback()
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return fmt.Errorf("record migration %d: %w", m.version, err)
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}
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if err := tx.Commit(); err != nil {
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return fmt.Errorf("commit migration %d: %w", m.version, err)
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return err
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}
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}
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s.log.Info("database migrations complete")
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return nil
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}
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func (s *Database) loadMigrations() ([]migration, error) {
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func (s *Database) applyMigration(
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ctx context.Context,
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m migration,
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) error {
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var exists int
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err := s.db.QueryRowContext(ctx,
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`SELECT COUNT(*) FROM schema_migrations
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WHERE version = ?`,
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m.version,
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).Scan(&exists)
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if err != nil {
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return fmt.Errorf(
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"check migration %d: %w", m.version, err,
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)
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}
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if exists > 0 {
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return nil
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}
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s.log.Info(
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"applying migration",
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"version", m.version,
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"name", m.name,
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)
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return s.execMigration(ctx, m)
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}
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func (s *Database) execMigration(
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ctx context.Context,
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m migration,
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) error {
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tx, err := s.db.BeginTx(ctx, nil)
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if err != nil {
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return fmt.Errorf(
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"begin tx for migration %d: %w",
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m.version, err,
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)
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}
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_, err = tx.ExecContext(ctx, m.sql)
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if err != nil {
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_ = tx.Rollback()
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return fmt.Errorf(
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"apply migration %d (%s): %w",
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m.version, m.name, err,
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)
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}
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_, err = tx.ExecContext(ctx,
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`INSERT INTO schema_migrations (version)
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VALUES (?)`,
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m.version,
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)
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if err != nil {
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_ = tx.Rollback()
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return fmt.Errorf(
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"record migration %d: %w",
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m.version, err,
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)
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}
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return tx.Commit()
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}
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func (s *Database) loadMigrations() (
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[]migration,
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error,
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) {
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entries, err := fs.ReadDir(SchemaFiles, "schema")
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if err != nil {
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return nil, fmt.Errorf("read schema dir: %w", err)
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return nil, fmt.Errorf(
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"read schema dir: %w", err,
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)
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}
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var migrations []migration
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for _, entry := range entries {
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if entry.IsDir() || !strings.HasSuffix(entry.Name(), ".sql") {
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if entry.IsDir() ||
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!strings.HasSuffix(entry.Name(), ".sql") {
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continue
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}
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parts := strings.SplitN(entry.Name(), "_", minMigrationParts)
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parts := strings.SplitN(
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entry.Name(), "_", minMigrationParts,
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)
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if len(parts) < minMigrationParts {
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continue
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}
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version, err := strconv.Atoi(parts[0])
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if err != nil {
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version, parseErr := strconv.Atoi(parts[0])
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if parseErr != nil {
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continue
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}
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content, err := SchemaFiles.ReadFile("schema/" + entry.Name())
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if err != nil {
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return nil, fmt.Errorf("read migration %s: %w", entry.Name(), err)
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content, readErr := SchemaFiles.ReadFile(
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"schema/" + entry.Name(),
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)
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if readErr != nil {
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return nil, fmt.Errorf(
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"read migration %s: %w",
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entry.Name(), readErr,
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)
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}
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migrations = append(migrations, migration{
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