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feat(cli): native hooks adapter for Antigravity CLI (agy) #1146
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rohitg00
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berthojoris:feature/antigravity-native-hooks
Aug 3, 2026
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1b43e89
feat(cli): native hooks adapter for Antigravity CLI (agy)
berthojoris bb74810
fix(cli): keep $-bearing plugin paths literal when resolving hook com…
berthojoris 278fb05
fix(antigravity): emit an explicit allow decision from the PreToolUse…
berthojoris 6e481cb
fix(antigravity): match agy's real hooks.json schema, verified agains…
berthojoris 3a095ba
refactor(antigravity): cut comment volume to match the sibling adapters
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| { | ||
| "agentmemory": { | ||
| "enabled": true, | ||
| "PreInvocation": [ | ||
| { | ||
| "hooks": [ | ||
| { | ||
| "type": "command", | ||
| "command": "node \"${CLAUDE_PLUGIN_ROOT}/scripts/antigravity-bridge.mjs\" PreInvocation", | ||
| "timeout": 10 | ||
| } | ||
| ] | ||
| } | ||
| ], | ||
| "PreToolUse": [ | ||
| { | ||
| "matcher": "view_file|view_code_item|read_file|edit_file|replace_file_content|write_to_file|create_file|grep_search|codebase_search|find_by_name|list_dir", | ||
| "hooks": [ | ||
| { | ||
| "type": "command", | ||
| "command": "node \"${CLAUDE_PLUGIN_ROOT}/scripts/antigravity-bridge.mjs\" PreToolUse", | ||
| "timeout": 10 | ||
| } | ||
| ] | ||
| } | ||
| ], | ||
| "PostToolUse": [ | ||
| { | ||
| "matcher": "", | ||
| "hooks": [ | ||
| { | ||
| "type": "command", | ||
| "command": "node \"${CLAUDE_PLUGIN_ROOT}/scripts/antigravity-bridge.mjs\" PostToolUse", | ||
| "timeout": 10 | ||
| } | ||
| ] | ||
| } | ||
| ], | ||
| "Stop": [ | ||
| { | ||
| "hooks": [ | ||
| { | ||
| "type": "command", | ||
| "command": "node \"${CLAUDE_PLUGIN_ROOT}/scripts/antigravity-bridge.mjs\" Stop", | ||
| "timeout": 10 | ||
| } | ||
| ] | ||
| } | ||
| ] | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| #!/usr/bin/env node | ||
| import { spawnSync } from "node:child_process"; | ||
| import { dirname, join, resolve } from "node:path"; | ||
| import { fileURLToPath } from "node:url"; | ||
| //#region src/hooks/antigravity-bridge.ts | ||
| const SCRIPTS_DIR = dirname(fileURLToPath(import.meta.url)); | ||
| const TOOL_NAME_MAP = { | ||
| view_file: "read", | ||
| view_line_range: "read", | ||
| view_code_item: "read", | ||
| read_file: "read", | ||
| read_url_content: "read", | ||
| edit_file: "edit", | ||
| replace_file_content: "edit", | ||
| propose_code: "edit", | ||
| write_to_file: "write", | ||
| create_file: "write", | ||
| grep_search: "grep", | ||
| codebase_search: "grep", | ||
| find_by_name: "glob", | ||
| list_dir: "glob" | ||
| }; | ||
| const ARG_KEY_MAP = { | ||
| AbsolutePath: "file_path", | ||
| TargetFile: "file_path", | ||
| DirectoryPath: "path", | ||
| SearchDirectory: "path", | ||
| Pattern: "pattern", | ||
| Query: "pattern", | ||
| CommandLine: "command" | ||
| }; | ||
| function asObject(value) { | ||
| return typeof value === "object" && value !== null && !Array.isArray(value) ? value : void 0; | ||
| } | ||
| function firstString(...values) { | ||
| for (const v of values) if (typeof v === "string" && v.length > 0) return v; | ||
| } | ||
| function normalizeToolArgs(args) { | ||
| if (!args) return {}; | ||
| const out = { ...args }; | ||
| for (const [from, to] of Object.entries(ARG_KEY_MAP)) if (out[to] === void 0 && args[from] !== void 0) out[to] = args[from]; | ||
| return out; | ||
| } | ||
| /** | ||
| * Translate one Antigravity hook payload into the flat, snake_case shape | ||
| * the bundled hooks consume. Unknown fields are passed through so future | ||
| * Antigravity additions stay visible to the capture pipeline. | ||
| */ | ||
| function normalizePayload(event, raw) { | ||
| const toolCall = asObject(raw["toolCall"]); | ||
| const workspacePaths = Array.isArray(raw["workspacePaths"]) ? raw["workspacePaths"] : []; | ||
| const sessionId = firstString(raw["conversationId"], raw["session_id"], raw["sessionId"]) ?? "unknown"; | ||
| const cwd = firstString(raw["cwd"], workspacePaths[0]) ?? process.cwd(); | ||
| const out = { | ||
| ...raw, | ||
| session_id: sessionId, | ||
| cwd, | ||
| hook_event_name: event | ||
| }; | ||
| const transcriptPath = firstString(raw["transcript_path"], raw["transcriptPath"]); | ||
| if (transcriptPath) out["transcript_path"] = transcriptPath; | ||
| if (toolCall) { | ||
| const args = normalizeToolArgs(asObject(toolCall["args"]) ?? asObject(toolCall["toolArgs"])); | ||
| const rawName = firstString(toolCall["name"], toolCall["toolName"], args["ToolName"], args["toolName"]); | ||
| if (rawName) { | ||
| out["tool_name"] = TOOL_NAME_MAP[rawName] ?? rawName; | ||
| out["native_tool_name"] = rawName; | ||
| } | ||
| out["tool_input"] = args; | ||
| const result = toolCall["result"] ?? raw["toolResult"] ?? raw["result"]; | ||
| if (result !== void 0) out["tool_result"] = result; | ||
| } | ||
| return out; | ||
| } | ||
| /** | ||
| * Map an Antigravity event to the bundled scripts it should drive. | ||
| * | ||
| * PreInvocation stands in for both SessionStart and UserPromptSubmit: the | ||
| * first invocation of a conversation opens the session, every later one is | ||
| * a fresh user turn. PostInvocation is deliberately unmapped — PostToolUse | ||
| * already captures the work, and firing again would double-record it. | ||
| */ | ||
| function targetsFor(event, raw) { | ||
| switch (event) { | ||
| case "PreInvocation": { | ||
| const n = raw["invocationNum"]; | ||
| return typeof n !== "number" || n <= 1 ? ["session-start.mjs", "prompt-submit.mjs"] : ["prompt-submit.mjs"]; | ||
| } | ||
| case "PreToolUse": return ["pre-tool-use.mjs"]; | ||
| case "PostToolUse": return ["post-tool-use.mjs"]; | ||
| case "Stop": return ["stop.mjs", "session-end.mjs"]; | ||
| default: return []; | ||
| } | ||
| } | ||
| async function main() { | ||
| const event = process.argv[2]; | ||
| if (!event) return; | ||
| let input = ""; | ||
| for await (const chunk of process.stdin) input += chunk; | ||
| let raw; | ||
| try { | ||
| raw = JSON.parse(input); | ||
| } catch { | ||
| return; | ||
| } | ||
| if (!raw || typeof raw !== "object") return; | ||
| const payload = JSON.stringify(normalizePayload(event, raw)); | ||
| for (const script of targetsFor(event, raw)) spawnSync(process.execPath, [join(SCRIPTS_DIR, script)], { | ||
| input: payload, | ||
| stdio: [ | ||
| "pipe", | ||
| "ignore", | ||
| "ignore" | ||
| ] | ||
| }); | ||
| } | ||
| if (process.argv[1] !== void 0 && resolve(process.argv[1]) === fileURLToPath(import.meta.url)) main().catch(() => {}).finally(() => { | ||
| process.stdout.write("{}"); | ||
| process.exit(0); | ||
| }); | ||
| //#endregion | ||
| export { normalizePayload, targetsFor }; | ||
|
|
||
| //# sourceMappingURL=antigravity-bridge.mjs.map |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| import { existsSync, mkdirSync } from "node:fs"; | ||
| import { homedir } from "node:os"; | ||
| import { join } from "node:path"; | ||
| import * as p from "@clack/prompts"; | ||
| import { createJsonMcpAdapter } from "./json-mcp-adapter.js"; | ||
| import type { ConnectOptions, ConnectResult } from "./types.js"; | ||
| import { | ||
| buildMergedAntigravityHooks, | ||
| type AntigravityHookManifest, | ||
| } from "./antigravity-hooks.js"; | ||
| import { findPluginRoot } from "./codex-hooks.js"; | ||
| import { | ||
| backupFile, | ||
| logBackup, | ||
| logInstalled, | ||
| readJsonSafe, | ||
| writeJsonAtomic, | ||
| } from "./util.js"; | ||
|
|
||
| // Antigravity ships two products that do NOT share configuration: | ||
| // | ||
| // • the IDE, wired by `antigravity.ts` via the app-support directory | ||
| // (~/Library/Application Support/Antigravity/User/mcp_config.json); | ||
| // • the `agy` CLI, wired here, which reads its customizations out of | ||
| // ~/.gemini/ — MCP servers from ~/.gemini/config/mcp_config.json and | ||
| // hooks from ~/.gemini/config/hooks.json, with per-workspace overrides | ||
| // in <repo>/.agents/hooks.json. | ||
| // | ||
| // Detection keys off ~/.gemini/antigravity-cli/, which only the CLI | ||
| // creates — ~/.gemini/ alone would also match a Gemini CLI install. | ||
| // | ||
| // Unlike Claude Code, Codex and Droid, Antigravity's hooks.json is a map of | ||
| // *named* hook bundles and exposes only five events, so `--with-hooks` | ||
| // uses the dedicated merge engine in antigravity-hooks.ts and routes every | ||
| // event through the bridge in plugin/scripts/antigravity-bridge.mjs. | ||
| // Sources: antigravity.google/docs/hooks, antigravity.google/docs/cli/using | ||
| const GEMINI_DIR = join(homedir(), ".gemini"); | ||
| const ANTIGRAVITY_CLI_DIR = join(GEMINI_DIR, "antigravity-cli"); | ||
| const CUSTOMIZATION_DIR = join(GEMINI_DIR, "config"); | ||
| const ANTIGRAVITY_CLI_HOOKS = join(CUSTOMIZATION_DIR, "hooks.json"); | ||
|
|
||
| export const adapter = createJsonMcpAdapter({ | ||
| name: "antigravity-cli", | ||
| displayName: "Antigravity CLI (agy)", | ||
| detectDir: ANTIGRAVITY_CLI_DIR, | ||
| configPath: join(CUSTOMIZATION_DIR, "mcp_config.json"), | ||
| docs: "https://github.com/rohitg00/agentmemory#other-agents", | ||
| protocolNote: | ||
| "→ Using MCP via ~/.gemini/config/mcp_config.json (the agy CLI, not the Antigravity IDE — that one is `connect antigravity`). The `/mcp` slash command inside agy lists configured servers. Pass --with-hooks to also install the native ~/.gemini/config/hooks.json auto-capture hooks.", | ||
| installHooks: installAntigravityCliHooks, | ||
| }); | ||
|
|
||
| /** | ||
| * Merge the bundled `plugin/hooks/hooks.antigravity.json` into | ||
| * `~/.gemini/config/hooks.json`. Idempotent in the same way as the Codex | ||
| * and Droid installers: re-running replaces only the hook bundle | ||
| * agentmemory owns and leaves user-authored bundles alone. | ||
| */ | ||
| function installAntigravityCliHooks(opts: ConnectOptions): ConnectResult { | ||
| let pluginRoot: string; | ||
| try { | ||
| pluginRoot = findPluginRoot(); | ||
| } catch (err) { | ||
| return { | ||
| kind: "skipped", | ||
| reason: err instanceof Error ? err.message : String(err), | ||
| }; | ||
| } | ||
|
|
||
| const existing = readJsonSafe<AntigravityHookManifest>(ANTIGRAVITY_CLI_HOOKS); | ||
| const merged = buildMergedAntigravityHooks(existing, pluginRoot); | ||
|
|
||
| if (opts.dryRun) { | ||
| p.log.info( | ||
| `[dry-run] Would ${existing ? "merge" : "create"} ${ANTIGRAVITY_CLI_HOOKS} with ${Object.keys(merged).length} hook bundle(s)`, | ||
| ); | ||
| return { kind: "installed", mutatedPath: ANTIGRAVITY_CLI_HOOKS }; | ||
| } | ||
|
|
||
| let backupPath: string | undefined; | ||
| if (existsSync(ANTIGRAVITY_CLI_HOOKS)) { | ||
| backupPath = backupFile(ANTIGRAVITY_CLI_HOOKS, "antigravity-cli-hooks", "json"); | ||
| logBackup(backupPath); | ||
| } else { | ||
| mkdirSync(CUSTOMIZATION_DIR, { recursive: true }); | ||
| } | ||
|
|
||
| writeJsonAtomic(ANTIGRAVITY_CLI_HOOKS, merged); | ||
|
|
||
| logInstalled("Antigravity CLI hooks", ANTIGRAVITY_CLI_HOOKS); | ||
| p.log.info( | ||
| "User-scope hooks reference absolute paths under the bundled plugin/ dir. Re-run `agentmemory connect antigravity-cli --with-hooks` after upgrading agentmemory to refresh them.", | ||
| ); | ||
|
|
||
| return { | ||
| kind: "installed", | ||
| mutatedPath: ANTIGRAVITY_CLI_HOOKS, | ||
| ...(backupPath !== undefined && { backupPath }), | ||
| }; | ||
| } | ||
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Trimmed in
3a095ba. The file header and the per-function block were stating the same things twice — kept one statement of each and dropped the rest. Comment lines:antigravity-cli.ts26 → 12,antigravity-hooks.ts65 → 46,antigravity-bridge.ts70 → 41, which puts them in line withdroid.ts.What I deliberately kept is the agy behaviour I verified against a live 1.0.15 — the two event shapes, the no-quoting rule, the PreToolUse decision contract. That part isn't derivable from the code, and each of those was a real defect here, so a future reader changing the manifest needs the reason. Happy to cut further if you'd rather that lived only in the PR description.