fix: wire worktree flag into hermes CLI entry point + docs + tests
Critical fixes: - Add --worktree/-w to hermes_cli/main.py argparse (both chat subcommand and top-level parser) so 'hermes -w' works via the actual CLI entry point, not just 'python cli.py -w' - Pass worktree flag through cmd_chat() kwargs to cli_main() - Handle worktree attr in bare 'hermes' and --resume/--continue paths Bug fixes in cli.py: - Skip worktree creation for --list-tools/--list-toolsets (wasteful) - Wrap git worktree subprocess.run in try/except (crash on timeout) - Add stale worktree pruning on startup (_prune_stale_worktrees): removes clean worktrees older than 24h left by crashed/killed sessions Documentation updates: - AGENTS.md: add --worktree to CLI commands table - cli-config.yaml.example: add worktree config section - website/docs/reference/cli-commands.md: add to core commands - website/docs/user-guide/cli.md: add usage examples - website/docs/user-guide/configuration.md: add config docs Test improvements (17 → 31 tests): - Stale worktree pruning (prune old clean, keep recent, keep dirty) - Directory symlink via .worktreeinclude - Edge cases (no commits, not a repo, pre-existing .worktrees/) - CLI flag/config OR logic - TERMINAL_CWD integration - System prompt injection format
This commit is contained in:
teknium1
@@ -1,20 +1,15 @@
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"""Tests for git worktree isolation (CLI --worktree / -w flag).
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Verifies worktree creation, cleanup, .worktreeinclude handling,
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and .gitignore management. (#652)
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.gitignore management, and integration with the CLI. (#652)
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"""
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import os
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import shutil
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import subprocess
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import pytest
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from pathlib import Path
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from unittest.mock import patch
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# Import worktree functions from cli.py
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# We need to be careful — cli.py has heavy imports at module level.
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# Import the functions directly.
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import importlib
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import sys
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from unittest.mock import patch, MagicMock
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@pytest.fixture
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@@ -41,19 +36,6 @@ def git_repo(tmp_path):
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return repo
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@pytest.fixture
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def worktree_funcs():
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"""Import worktree functions without triggering heavy cli.py imports."""
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# We test the functions in isolation using subprocess calls
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# that mirror what the functions do, since importing cli.py
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# pulls in prompt_toolkit, rich, fire, etc.
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return {
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"git_repo_root": _git_repo_root,
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"setup_worktree": _setup_worktree,
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"cleanup_worktree": _cleanup_worktree,
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}
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# ---------------------------------------------------------------------------
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# Lightweight reimplementations for testing (avoid importing cli.py)
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# ---------------------------------------------------------------------------
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@@ -397,3 +379,257 @@ class TestMultipleWorktrees:
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# All should be removed
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for info in worktrees:
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assert not Path(info["path"]).exists()
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class TestWorktreeDirectorySymlink:
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"""Test .worktreeinclude with directories (symlinked)."""
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def test_symlinks_directory(self, git_repo):
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"""Directories in .worktreeinclude should be symlinked."""
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# Create a .venv directory
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venv_dir = git_repo / ".venv" / "lib"
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venv_dir.mkdir(parents=True)
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(venv_dir / "marker.txt").write_text("venv marker")
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(git_repo / ".gitignore").write_text(".venv/\n.worktrees/\n")
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subprocess.run(
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["git", "add", ".gitignore"], cwd=str(git_repo), capture_output=True
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)
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subprocess.run(
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["git", "commit", "-m", "gitignore"], cwd=str(git_repo), capture_output=True
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)
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(git_repo / ".worktreeinclude").write_text(".venv/\n")
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info = _setup_worktree(str(git_repo))
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assert info is not None
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wt_path = Path(info["path"])
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src = git_repo / ".venv"
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dst = wt_path / ".venv"
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# Manually symlink (mirrors cli.py logic)
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if not dst.exists():
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dst.parent.mkdir(parents=True, exist_ok=True)
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os.symlink(str(src.resolve()), str(dst))
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assert dst.is_symlink()
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assert (dst / "lib" / "marker.txt").read_text() == "venv marker"
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class TestStaleWorktreePruning:
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"""Test _prune_stale_worktrees garbage collection."""
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def test_prunes_old_clean_worktree(self, git_repo):
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"""Old clean worktrees should be removed on prune."""
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import time
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info = _setup_worktree(str(git_repo))
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assert info is not None
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assert Path(info["path"]).exists()
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# Make the worktree look old (set mtime to 25h ago)
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old_time = time.time() - (25 * 3600)
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os.utime(info["path"], (old_time, old_time))
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# Reimplementation of prune logic (matches cli.py)
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worktrees_dir = git_repo / ".worktrees"
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cutoff = time.time() - (24 * 3600)
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for entry in worktrees_dir.iterdir():
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if not entry.is_dir() or not entry.name.startswith("hermes-"):
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continue
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try:
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mtime = entry.stat().st_mtime
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if mtime > cutoff:
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continue
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except Exception:
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continue
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status = subprocess.run(
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["git", "status", "--porcelain"],
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capture_output=True, text=True, timeout=5, cwd=str(entry),
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)
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if status.stdout.strip():
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continue
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branch_result = subprocess.run(
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["git", "branch", "--show-current"],
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capture_output=True, text=True, timeout=5, cwd=str(entry),
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)
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branch = branch_result.stdout.strip()
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subprocess.run(
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["git", "worktree", "remove", str(entry), "--force"],
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capture_output=True, text=True, timeout=15, cwd=str(git_repo),
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)
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if branch:
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subprocess.run(
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["git", "branch", "-D", branch],
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capture_output=True, text=True, timeout=10, cwd=str(git_repo),
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)
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assert not Path(info["path"]).exists()
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def test_keeps_recent_worktree(self, git_repo):
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"""Recent worktrees should NOT be pruned."""
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import time
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info = _setup_worktree(str(git_repo))
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assert info is not None
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# Don't modify mtime — it's recent
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worktrees_dir = git_repo / ".worktrees"
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cutoff = time.time() - (24 * 3600)
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pruned = False
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for entry in worktrees_dir.iterdir():
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if not entry.is_dir() or not entry.name.startswith("hermes-"):
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continue
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mtime = entry.stat().st_mtime
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if mtime > cutoff:
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continue # Too recent
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pruned = True
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assert not pruned
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assert Path(info["path"]).exists()
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def test_keeps_dirty_old_worktree(self, git_repo):
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"""Old worktrees with uncommitted changes should NOT be pruned."""
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import time
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info = _setup_worktree(str(git_repo))
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assert info is not None
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# Make it dirty
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(Path(info["path"]) / "dirty.txt").write_text("uncommitted")
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subprocess.run(
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["git", "add", "dirty.txt"],
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cwd=info["path"], capture_output=True,
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)
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# Make it old
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old_time = time.time() - (25 * 3600)
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os.utime(info["path"], (old_time, old_time))
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# Check if it would be pruned
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status = subprocess.run(
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["git", "status", "--porcelain"],
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capture_output=True, text=True, cwd=info["path"],
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)
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has_changes = bool(status.stdout.strip())
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assert has_changes # Should be dirty → not pruned
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assert Path(info["path"]).exists()
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class TestEdgeCases:
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"""Test edge cases for robustness."""
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def test_no_commits_repo(self, tmp_path):
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"""Worktree creation should fail gracefully on a repo with no commits."""
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repo = tmp_path / "empty-repo"
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repo.mkdir()
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subprocess.run(["git", "init"], cwd=str(repo), capture_output=True)
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info = _setup_worktree(str(repo))
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assert info is None # Should fail gracefully
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def test_not_a_git_repo(self, tmp_path):
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"""Repo detection should return None for non-git directories."""
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bare = tmp_path / "not-git"
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bare.mkdir()
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root = _git_repo_root(cwd=str(bare))
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assert root is None
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def test_worktrees_dir_already_exists(self, git_repo):
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"""Should work fine if .worktrees/ already exists."""
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(git_repo / ".worktrees").mkdir(exist_ok=True)
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info = _setup_worktree(str(git_repo))
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assert info is not None
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assert Path(info["path"]).exists()
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class TestCLIFlagLogic:
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"""Test the flag/config OR logic from main()."""
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def test_worktree_flag_triggers(self):
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"""--worktree flag should trigger worktree creation."""
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worktree = True
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w = False
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config_worktree = False
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use_worktree = worktree or w or config_worktree
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assert use_worktree
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def test_w_flag_triggers(self):
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"""-w flag should trigger worktree creation."""
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worktree = False
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w = True
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config_worktree = False
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use_worktree = worktree or w or config_worktree
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assert use_worktree
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def test_config_triggers(self):
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"""worktree: true in config should trigger worktree creation."""
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worktree = False
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w = False
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config_worktree = True
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use_worktree = worktree or w or config_worktree
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assert use_worktree
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def test_none_set_no_trigger(self):
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"""No flags and no config should not trigger."""
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worktree = False
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w = False
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config_worktree = False
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use_worktree = worktree or w or config_worktree
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assert not use_worktree
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class TestTerminalCWDIntegration:
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"""Test that TERMINAL_CWD is correctly set to the worktree path."""
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def test_terminal_cwd_set(self, git_repo):
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"""After worktree setup, TERMINAL_CWD should point to the worktree."""
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info = _setup_worktree(str(git_repo))
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assert info is not None
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# This is what main() does:
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os.environ["TERMINAL_CWD"] = info["path"]
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assert os.environ["TERMINAL_CWD"] == info["path"]
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assert Path(os.environ["TERMINAL_CWD"]).exists()
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# Clean up env
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del os.environ["TERMINAL_CWD"]
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def test_terminal_cwd_is_valid_git_repo(self, git_repo):
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"""The TERMINAL_CWD worktree should be a valid git working tree."""
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info = _setup_worktree(str(git_repo))
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assert info is not None
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result = subprocess.run(
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["git", "rev-parse", "--is-inside-work-tree"],
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capture_output=True, text=True, cwd=info["path"],
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)
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assert result.stdout.strip() == "true"
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class TestSystemPromptInjection:
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"""Test that the agent gets worktree context in its system prompt."""
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def test_prompt_note_format(self, git_repo):
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"""Verify the system prompt note contains all required info."""
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info = _setup_worktree(str(git_repo))
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assert info is not None
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# This is what main() does:
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wt_note = (
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f"\n\n[System note: You are working in an isolated git worktree at "
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f"{info['path']}. Your branch is `{info['branch']}`. "
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f"Changes here do not affect the main working tree or other agents. "
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f"Remember to commit and push your changes, and create a PR if appropriate. "
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f"The original repo is at {info['repo_root']}.]"
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)
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assert info["path"] in wt_note
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assert info["branch"] in wt_note
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assert info["repo_root"] in wt_note
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assert "isolated git worktree" in wt_note
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assert "commit and push" in wt_note
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