| 349 | var autoversionMarkdownPragmaRe = regexp.MustCompile(`<!-- ?autoversion\(([^)]+)\): ?"([^"]+)" ?-->`) |
| 350 | |
| 351 | func (r *releaseCommand) autoversionFile(ctx context.Context, file, channel, version string) error { |
| 352 | version = strings.TrimPrefix(version, "v") |
| 353 | logger := r.logger.With(slog.F("file", file), slog.F("channel", channel), slog.F("version", version)) |
| 354 | |
| 355 | logger.Debug(ctx, "checking file for autoversion pragma") |
| 356 | |
| 357 | contents, err := afero.ReadFile(r.fs, file) |
| 358 | if err != nil { |
| 359 | return xerrors.Errorf("read file failed: %w", err) |
| 360 | } |
| 361 | |
| 362 | lines := strings.Split(string(contents), "\n") |
| 363 | var matchRe *regexp.Regexp |
| 364 | for i, line := range lines { |
| 365 | if autoversionMarkdownPragmaRe.MatchString(line) { |
| 366 | matches := autoversionMarkdownPragmaRe.FindStringSubmatch(line) |
| 367 | matchChannel := matches[1] |
| 368 | match := matches[2] |
| 369 | |
| 370 | logger := logger.With(slog.F("line_number", i+1), |
| 371 | slog.F("match_channel", matchChannel), slog.F("match", match)) |
| 372 | |
| 373 | logger.Debug(ctx, "autoversion pragma detected") |
| 374 | |
| 375 | if matchChannel != channel { |
| 376 | logger.Debug(ctx, "channel mismatch, skipping") |
| 377 | continue |
| 378 | } |
| 379 | |
| 380 | logger.Info(ctx, "autoversion pragma found with channel match") |
| 381 | |
| 382 | match = strings.Replace(match, "[version]", `(?P<version>[0-9]+\.[0-9]+\.[0-9]+)`, 1) |
| 383 | logger.Debug(ctx, "compiling match regexp", slog.F("match", match)) |
| 384 | matchRe, err = regexp.Compile(match) |
| 385 | if err != nil { |
| 386 | return xerrors.Errorf("regexp compile failed: %w", err) |
| 387 | } |
| 388 | } |
| 389 | if matchRe != nil { |
| 390 | // Apply matchRe and find the group named "version", then replace it |
| 391 | // with the new version. |
| 392 | if match := matchRe.FindStringSubmatchIndex(line); match != nil { |
| 393 | vg := matchRe.SubexpIndex("version") |
| 394 | if vg == -1 { |
| 395 | logger.Error(ctx, "version group not found in match", |
| 396 | slog.F("num_subexp", matchRe.NumSubexp()), |
| 397 | slog.F("subexp_names", matchRe.SubexpNames()), |
| 398 | slog.F("match", match)) |
| 399 | return xerrors.Errorf("bug: version group not found in match") |
| 400 | } |
| 401 | start := match[vg*2] |
| 402 | end := match[vg*2+1] |
| 403 | logger.Info(ctx, "updating version number", slog.F("line_number", i+1), slog.F("match_start", start), slog.F("match_end", end), slog.F("old_version", line[start:end])) |
| 404 | lines[i] = line[:start] + version + line[end:] |
| 405 | matchRe = nil |
| 406 | break |
| 407 | } |
| 408 | } |