Method execute

scripts/common/java/PostPrComment.java:35–132

(String[] args)

    }

    private static int execute(String[] args) throws Exception {
        Arguments arguments = Arguments.parse(args);
        if (arguments == null) {
            return 2;
        }
        marker = arguments.marker != null ? arguments.marker : DEFAULT_MARKER;
        logPrefix = arguments.logPrefix != null ? arguments.logPrefix : DEFAULT_LOG_PREFIX;

        Path bodyPath = arguments.body;
        if (!Files.isRegularFile(bodyPath)) {
            return 0;
        }
        String rawBody = Files.readString(bodyPath, StandardCharsets.UTF_8);
        String body = rawBody.trim();
        if (body.isEmpty()) {
            return 0;
        }
        if (!body.contains(marker)) {
            body = body.stripTrailing() + "\n\n" + marker;
        }
        String bodyWithoutMarker = body.replace(marker, "").trim();
        if (bodyWithoutMarker.isEmpty()) {
            return 0;
        }

        String eventPathEnv = System.getenv("GITHUB_EVENT_PATH");
        String repo = System.getenv("GITHUB_REPOSITORY");
        String token = System.getenv("GITHUB_TOKEN");
        if (eventPathEnv == null || repo == null || token == null) {
            return 0;
        }
        Path eventPath = Path.of(eventPathEnv);
        if (!Files.isRegularFile(eventPath)) {
            return 0;
        }

        Map<String, Object> event = JsonUtil.asObject(JsonUtil.parse(Files.readString(eventPath, StandardCharsets.UTF_8)));
        Integer prNumber = findPrNumber(event);
        if (prNumber == null) {
            return 0;
        }

        HttpClient client = HttpClient.newBuilder().connectTimeout(Duration.ofSeconds(20)).build();
        Map<String, String> headers = Map.of(
                "Authorization", "token " + token,
                "Accept", "application/vnd.github+json",
                "Content-Type", "application/json"
        );

        boolean isForkPr = isForkPullRequest(event);
        CommentContext context = locateExistingComment(client, headers, repo, prNumber, body, event);
        if (context == null) {
            return 1;
        }
        Long commentId = context.commentId;
        boolean createdPlaceholder = context.createdPlaceholder;

        Path previewDir = arguments.previewDir;