Function write_skip_logfile

src/mcp/mcp.c:7402–7446

Write the FULL (uncapped) skip list to a per-run logfile — ONLY when >=1 file * was skipped (no logfile on a clean run). Location: * $CBM_INDEX_LOG (override) else /logs/ - .log * Returns true and fills out_path on success. */

 *   $CBM_INDEX_LOG (override) else <cache_dir>/logs/<project>-<epoch>.log
 * Returns true and fills out_path on success. */
static bool write_skip_logfile(const char *project, const cbm_file_error_t *errs, int count,
                               char *out_path, size_t out_sz) {
    if (!errs || count <= 0) {
        return false;
    }
    char path[CBM_SZ_1K];
    const char *override = getenv("CBM_INDEX_LOG");
    if (override && override[0]) {
        snprintf(path, sizeof(path), "%s", override);
    } else {
        const char *cdir = cbm_resolve_cache_dir();
        if (!cdir) {
            return false;
        }
        char logdir[CBM_SZ_1K];
        snprintf(logdir, sizeof(logdir), "%s/logs", cdir);
        cbm_mkdir_p(logdir, 0755);
        snprintf(path, sizeof(path), "%s/%s-%lld.log", logdir, project ? project : "index",
                 (long long)time(NULL));
    }
    FILE *f = cbm_fopen(path, "wb");
    if (!f) {
        cbm_log_warn("index.logfile_open_fail", "path", path);
        return false;
    }
    int partials = 0;
    for (int i = 0; i < count; i++) {
        if (is_parse_partial(&errs[i])) {
            partials++;
        }
    }
    (void)fprintf(f, "# codebase-memory-mcp index coverage report\n");
    (void)fprintf(f, "# project=%s skipped=%d parse_partial=%d\n", project ? project : "",
                  count - partials, partials);
    (void)fprintf(f, "# columns: phase\treason\tpath\n");
    for (int i = 0; i < count; i++) {
        (void)fprintf(f, "%s\t%s\t%s\n", errs[i].phase ? errs[i].phase : "",
                      errs[i].reason ? errs[i].reason : "", errs[i].path ? errs[i].path : "");
    }
    (void)fclose(f);
    if (out_path && out_sz) {
        snprintf(out_path, out_sz, "%s", path);
    }
    return true;
}

/* Build the success portion of the index_repository response.
 * Returns true when status should be "degraded" (#334 plausibility gate). */