private String resolveRef()

in src/main/java/com/googlesource/gerrit/plugins/download/command/GitDownloadCommand.java [100:129]

28 lines of code
9 McCabe index (conditional complexity)


  private String resolveRef(String project, String ref) {
    if (project.startsWith("$") || ref.startsWith("$")) {
      // No real value but placeholders are being used.
      return ref;
    }

    try (Repository repo = repoManager.openRepository(Project.nameKey(project))) {
      Config cfg = repo.getConfig();
      boolean allowSha1InWant =
          cfg.getBoolean(UPLOADPACK, KEY_ALLOW_TIP_SHA1_IN_WANT, false)
              || cfg.getBoolean(UPLOADPACK, KEY_ALLOW_REACHABLE_SHA1_IN_WANT, false);
      if (allowSha1InWant
          && Arrays.asList(cfg.getStringList(UPLOADPACK, null, KEY_HIDE_REFS))
              .contains(RefNames.REFS_CHANGES)) {
        ObjectId id = repo.resolve(ref);
        if (id != null) {
          return id.name();
        }
        logger.atSevere().log("Cannot resolve ref %s in project %s", ref, project);
        return null;
      }
      return ref;
    } catch (RepositoryNotFoundException e) {
      logger.atSevere().withCause(e).log("Missing project: %s", project);
      return null;
    } catch (IOException e) {
      logger.atSevere().withCause(e).log("Failed to lookup project %s from cache", project);
      return null;
    }
  }