Function write_metadata

src/pipeline/artifact.c:331–372

Write artifact.json metadata. */

/* Write artifact.json metadata. */
static int write_metadata(const char *repo_path, const char *project_name, int nodes, int edges,
                          size_t original_size, size_t compressed_size, int compression_level) {
    char commit[CBM_SZ_64] = "";
    git_head_hash(repo_path, commit, sizeof(commit));

    char ts[CBM_SZ_64];
    iso_timestamp(ts, sizeof(ts));

    yyjson_mut_doc *doc = yyjson_mut_doc_new(NULL);
    yyjson_mut_val *root = yyjson_mut_obj(doc);
    yyjson_mut_doc_set_root(doc, root);

    yyjson_mut_obj_add_int(doc, root, "schema_version", CBM_ARTIFACT_SCHEMA_VERSION);
    yyjson_mut_obj_add_str(doc, root, "commit", commit);
    yyjson_mut_obj_add_str(doc, root, "indexed_at", ts);
    yyjson_mut_obj_add_str(doc, root, "project", project_name);
    yyjson_mut_obj_add_int(doc, root, "nodes", nodes);
    yyjson_mut_obj_add_int(doc, root, "edges", edges);
    yyjson_mut_obj_add_uint(doc, root, "original_size", (uint64_t)original_size);
    yyjson_mut_obj_add_uint(doc, root, "compressed_size", (uint64_t)compressed_size);
    yyjson_mut_obj_add_int(doc, root, "compression_level", compression_level);

    size_t json_len = 0;
    char *json = yyjson_mut_write(doc, YYJSON_WRITE_PRETTY, &json_len);
    yyjson_mut_doc_free(doc);
    if (!json) {
        return artifact_export_fail("write_metadata", NULL, "json_encode", 0);
    }

    char meta_path[CBM_SZ_4K];
    if (!artifact_path(meta_path, sizeof(meta_path), repo_path, CBM_ARTIFACT_META)) {
        free(json);
        return artifact_export_fail("write_metadata", repo_path, "path_too_long", 0);
    }
    artifact_file_error_t ioerr;
    int rc = write_file_atomic(meta_path, json, json_len, &ioerr);
    free(json);
    if (rc != 0) {
        return artifact_export_fail("write_metadata", meta_path, ioerr.err, ioerr.err_no);
    }
    return rc;
}

/* ── .gitattributes setup ────────────────────────────────────────── */