Function shebang_probe

tests/test_discover.c:1469–1489

Discover a single file with the given first-line content and report the * language it was classified as via *out_lang (CBM_LANG_COUNT if unindexed). * Returns true only when temp-dir creation, the file write, and discovery all * succeeded, so callers can assert setup success before asserting the language * -- otherwise a negative expectation (CBM_LANG_COUNT) could pass vacuously * when setup

 * -- otherwise a negative expectation (CBM_LANG_COUNT) could pass vacuously
 * when setup silently failed. */
static bool shebang_probe(const char *prefix, const char *rel, const char *content,
                          CBMLanguage *out_lang) {
    *out_lang = CBM_LANG_COUNT;
    char *base = th_mktempdir(prefix);
    if (!base) {
        return false;
    }
    bool ok = false;
    if (th_write_file(TH_PATH(base, rel), content) == 0) {
        cbm_discover_opts_t opts = {0};
        cbm_file_info_t *files = NULL;
        int count = 0;
        if (cbm_discover(base, &opts, &files, &count) == 0) {
            *out_lang = discover_lang_of(files, count, rel);
            ok = true;
        }
        cbm_discover_free(files, count);
    }
    th_cleanup(base);
    return ok;
}

TEST(shebang_direct_python_path) {
    CBMLanguage lang;