Files
JARVIS/backend/app/agents/isolation/worktree_isolation.py

84 lines
2.8 KiB
Python

from __future__ import annotations
import re
import subprocess
from pathlib import Path
from typing import Any
from uuid import uuid4
from app.agents.isolation.strategy_selector import IsolationDecision
class WorktreeIsolationError(RuntimeError):
pass
def _slugify(value: str, *, fallback: str) -> str:
slug = re.sub(r"[^a-zA-Z0-9._-]+", "-", (value or "").strip()).strip("-").lower()
return slug or fallback
def _resolve_git_root() -> Path:
try:
result = subprocess.run(
["git", "rev-parse", "--show-toplevel"],
check=True,
capture_output=True,
text=True,
)
except subprocess.CalledProcessError as exc:
raise WorktreeIsolationError(exc.stderr.strip() or exc.stdout.strip() or "git_root_unavailable") from exc
git_root = Path(result.stdout.strip())
if not git_root.exists():
raise WorktreeIsolationError("git_root_not_found")
return git_root
def prepare_worktree_isolation(
*,
state: dict[str, Any],
decision: IsolationDecision,
role_value: str,
sub_commander: str,
create_workspace: bool = True,
) -> dict[str, Any]:
isolation_id = f"worktree-{uuid4().hex[:8]}"
conversation_slug = _slugify(str(state.get("conversation_id") or "conversation"), fallback="conversation")
role_slug = _slugify(role_value, fallback="agent")
git_root = _resolve_git_root()
workspace_root = git_root / ".worktrees" / "jarvis" / conversation_slug
workspace_path = workspace_root / f"{role_slug}-{isolation_id}"
branch = f"jarvis/{conversation_slug}/{role_slug}-{isolation_id}"
if create_workspace and not workspace_path.exists():
workspace_root.mkdir(parents=True, exist_ok=True)
try:
subprocess.run(
["git", "-C", str(git_root), "worktree", "add", "-b", branch, str(workspace_path), "HEAD"],
check=True,
capture_output=True,
text=True,
)
except subprocess.CalledProcessError as exc:
raise WorktreeIsolationError(exc.stderr.strip() or exc.stdout.strip() or "worktree_add_failed") from exc
return {
"mode": "worktree",
"isolation_id": isolation_id,
"workspace_path": str(workspace_path),
"parent_conversation_id": str(state.get("conversation_id") or "") or None,
"metadata": {
**dict(decision.metadata or {}),
"reason": decision.reason,
"role": role_value,
"sub_commander": sub_commander,
"tool_names": list(decision.tool_names),
"capability_ids": list(decision.capability_ids),
"repo_root": str(git_root),
"branch": branch,
"workspace_strategy": "ephemeral_worktree",
"cleanup_status": "pending",
"materialized": workspace_path.exists(),
},
}