Function cbm_client_adapter_opencode

src/cli/client_adapter.c:188–245

}

char *cbm_client_adapter_opencode(const char *binary_path) {
    if (!binary_path || !binary_path[0]) {
        return NULL;
    }
    char bin[CBM_SZ_1K];
    if (!cbm_client_adapter_escape_js(binary_path, bin, sizeof(bin))) {
        return NULL;
    }

    adapter_sb_t sb = {0};
    emit_header(&sb, "OpenCode");
    sb_append(&sb, "// OpenCode already reaches every tool over MCP; this adds only the\n"
                   "// automatic graph lookup before a grep/glob, which other clients get\n"
                   "// through their own hook configuration.\n");
    sb_append(&sb, "import { spawn } from 'node:child_process';\n\n");
    sb_append(&sb, "const BIN = '");
    sb_append(&sb, bin);
    sb_append(&sb, "';\n\n");

    /* hook-augment requires hook_event_name and accepts Grep/Glob only under
     * PreToolUse; omitting it makes the whole hook a silent no-op. */
    sb_append(&sb, "function augment(tool, args) {\n"
                   "  return new Promise((resolve) => {\n"
                   "    const child = spawn(BIN, ['hook-augment'], {\n"
                   "      stdio: ['pipe', 'pipe', 'ignore'],\n"
                   "      env: { ...process.env, CBM_LOG_LEVEL: 'error' },\n"
                   "    });\n"
                   "    let out = '';\n"
                   "    child.stdout.on('data', (d) => (out += d.toString()));\n"
                   "    child.on('error', () => resolve(''));\n"
                   "    child.on('close', () => resolve(out));\n"
                   "    child.stdin.end(JSON.stringify({\n"
                   "      hook_event_name: 'PreToolUse',\n"
                   "      tool_name: tool,\n"
                   "      tool_input: args ?? {},\n"
                   "    }));\n"
                   "  });\n"
                   "}\n\n");

    sb_append(&sb,
              "export const CodebaseMemory = async () => ({\n"
              "  'tool.execute.after': async (input, output) => {\n"
              "    const tool = input?.tool === 'grep' ? 'Grep' : input?.tool === 'glob' ? 'Glob' "
              ": null;\n"
              "    if (!tool) return;\n"
              "    const extra = await augment(tool, output?.args);\n"
              "    if (extra && typeof output?.output === 'string') {\n"
              "      output.output += '\\n' + extra;\n"
              "    }\n"
              "  },\n"
              "});\n");

    if (sb.failed) {
        free(sb.buf);
        return NULL;
    }
    return sb.buf;
}