Files
codex/agentydragon/tools/create_task_worktree.py
Rai (Michael Pokorny) 6521b84369 COW
2025-06-25 03:22:03 -07:00

115 lines
4.2 KiB
Python

#!/usr/bin/env python3
"""
create_task_worktree.py: Create or reuse a git worktree for a specific task and optionally launch a Developer Codex agent.
"""
import os
import subprocess
import sys
from pathlib import Path
import click
from common import repo_root, tasks_dir, worktrees_dir, resolve_slug
def run(cmd, cwd=None):
click.echo(f"Running: {' '.join(cmd)}")
subprocess.check_call(cmd, cwd=cwd)
def resolve_slug(input_id: str) -> str:
if input_id.isdigit() and len(input_id) == 2:
matches = list(tasks_dir().glob(f"{input_id}-*.md"))
if len(matches) == 1:
return matches[0].stem
click.echo(f"Error: expected one task file for ID {input_id}, found {len(matches)}", err=True)
sys.exit(1)
return input_id
@click.command()
@click.option('-a', '--agent', is_flag=True,
help='Launch Developer Codex agent after setting up worktree.')
@click.option('-t', '--tmux', 'tmux_mode', is_flag=True,
help='Open each task in its own tmux pane; implies --agent.')
@click.option('-i', '--interactive', is_flag=True,
help='Run agent in interactive mode (no exec); implies --agent.')
@click.option('-s', '--shell', 'shell_mode', is_flag=True,
help='Launch an interactive Codex shell (skip auto-commit); implies --agent.')
@click.argument('task_inputs', nargs=-1, required=True)
def main(agent, tmux_mode, interactive, shell_mode, task_inputs):
"""Create/reuse a task worktree and optionally launch a Dev agent or tmux session."""
if interactive or shell_mode:
agent = True
if tmux_mode:
agent = True
session = 'agentydragon_' + '_'.join(task_inputs)
for idx, inp in enumerate(task_inputs):
slug = resolve_slug(inp)
cmd = [sys.executable, '-u', __file__]
if agent:
cmd.append('--agent')
cmd.append(slug)
if idx == 0:
run(['tmux', 'new-session', '-d', '-s', session] + cmd)
else:
run(['tmux', 'new-window', '-t', session] + cmd)
run(['tmux', 'attach', '-t', session])
return
# Single task
slug = resolve_slug(task_inputs[0])
branch = f"agentydragon-{slug}"
wt_root = worktrees_dir()
wt_path = wt_root / slug
# Ensure branch exists
if subprocess.call(['git', 'show-ref', '--verify', '--quiet', f'refs/heads/{branch}']) != 0:
run(['git', 'branch', '--track', branch, 'agentydragon'])
wt_root.mkdir(parents=True, exist_ok=True)
if not wt_path.exists():
# Create worktree without checkout, then hydrate via reflink/rsync for COW performance
run(['git', 'worktree', 'add', '--no-checkout', str(wt_path), branch])
src = str(repo_root())
dst = str(wt_path)
# Use filesystem-specific reflink options: macOS (clonefile via cp -c), Linux (--reflink=auto)
if sys.platform == 'darwin':
reflink_cmd = ['cp', '-cRp', f'{src}/.', f'{dst}/', '--exclude=.git', '--exclude=.gitlink']
else:
reflink_cmd = ['cp', '--reflink=auto', '-Rp', f'{src}/.', f'{dst}/', '--exclude=.git', '--exclude=.gitlink']
try:
run(reflink_cmd)
except subprocess.CalledProcessError:
run(['rsync', '-a', '--delete', f'{src}/', f'{dst}/', '--exclude=.git*'])
if shutil.which('pre-commit'):
run(['pre-commit', 'install'], cwd=dst)
else:
click.echo('Warning: pre-commit not found; skipping hook install', err=True)
else:
click.echo(f'Worktree already exists at {wt_path}')
if not agent:
return
# Pre-commit checks
if shutil.which('pre-commit'):
run(['pre-commit', 'run', '--all-files'], cwd=str(wt_path))
else:
click.echo('Warning: pre-commit not installed; skipping checks', err=True)
click.echo(f'Launching Developer Codex agent for task {slug} in sandboxed worktree')
os.chdir(wt_path)
cmd = ['codex', '--full-auto']
if not interactive:
cmd.append('exec')
prompt = (repo_root() / 'agentydragon' / 'prompts' / 'developer.md').read_text()
taskfile = (tasks_dir() / f'{slug}.md').read_text()
run(cmd + [prompt + '\n\n' + taskfile])
if __name__ == '__main__':
import shutil
main()