322 lines
12 KiB
Python
322 lines
12 KiB
Python
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from __future__ import annotations
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import io
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import json
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import os
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import subprocess
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import tempfile
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import unittest
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from contextlib import redirect_stdout
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from unittest.mock import patch
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from pkgmgr.actions.branch import gc
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from pkgmgr.actions.branch.gc_forge import ForgeFacts
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from pkgmgr.cli.commands.branch import handle_branch
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from pkgmgr.cli.parser import create_parser
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GIT_ENV = {
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**os.environ,
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"GIT_AUTHOR_NAME": "t",
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"GIT_AUTHOR_EMAIL": "t@example.org",
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"GIT_COMMITTER_NAME": "t",
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"GIT_COMMITTER_EMAIL": "t@example.org",
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}
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def git(cwd: str, *args: str) -> str:
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return subprocess.run(
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["git", "-c", "commit.gpgsign=false", *args],
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cwd=cwd,
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env=GIT_ENV,
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check=True,
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capture_output=True,
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text=True,
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).stdout.strip()
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def docker_available() -> bool:
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try:
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subprocess.run(["docker", "info"], check=True, capture_output=True)
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except (FileNotFoundError, subprocess.CalledProcessError):
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return False
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return True
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class TestBranchGc(unittest.TestCase):
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def setUp(self) -> None:
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self._tmp = tempfile.TemporaryDirectory()
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self.root = os.path.realpath(self._tmp.name)
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self.origin = os.path.join(self.root, "origin.git")
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self.repo = os.path.join(self.root, "repo")
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git(self.root, "init", "--bare", "-b", "main", self.origin)
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git(self.root, "init", "-b", "main", self.repo)
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git(self.repo, "remote", "add", "origin", self.origin)
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self._commit("init")
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git(self.repo, "push", "-u", "origin", "main")
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self._branch_with_commit("merged")
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git(self.repo, "merge", "--no-ff", "-m", "merge merged", "merged")
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git(self.repo, "push", "origin", "main")
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git(self.repo, "branch", "fresh")
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git(self.repo, "push", "origin", "fresh")
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self._branch_with_commit("wip")
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self._branch_with_commit("squashed")
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self._branch_with_commit("locked")
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git(self.repo, "merge", "--no-ff", "-m", "merge locked", "locked")
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git(self.repo, "push", "origin", "main")
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git(self.repo, "remote", "set-head", "origin", "main")
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self.merged_wt = os.path.join(self.root, "wt-merged")
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git(self.repo, "worktree", "add", self.merged_wt, "merged")
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self.dirty_wt = os.path.join(self.root, "wt-dirty")
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git(self.repo, "worktree", "add", "-b", "dirty", self.dirty_wt, "merged")
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with open(os.path.join(self.dirty_wt, "scratch.txt"), "w") as fh:
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fh.write("x")
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self.locked_wt = os.path.join(self.root, "wt-locked")
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git(self.repo, "worktree", "add", self.locked_wt, "locked")
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self.squashed_sha = git(self.repo, "rev-parse", "squashed")
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self.forge = ForgeFacts(
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merged_heads={self.squashed_sha: 7}, open_heads={"wip": 3}
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)
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def tearDown(self) -> None:
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self._tmp.cleanup()
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def _commit(self, name: str) -> None:
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with open(os.path.join(self.repo, f"{name}.txt"), "w") as fh:
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fh.write(name)
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git(self.repo, "add", f"{name}.txt")
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git(self.repo, "commit", "-m", name)
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def _branch_with_commit(self, name: str) -> None:
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git(self.repo, "checkout", "-b", name, "main")
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self._commit(name)
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git(self.repo, "push", "origin", name)
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git(self.repo, "checkout", "main")
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def _lock(self, reason: str) -> None:
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git(self.repo, "worktree", "lock", "--reason", reason, self.locked_wt)
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def _plan(self, host_ns: bool, cwds: dict[int, str]) -> gc.Repo:
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with (
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patch.object(gc, "fetch_forge_facts", return_value=self.forge),
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patch.object(gc, "_process_cwds", return_value=cwds),
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):
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return gc.plan_repo(self.repo, [], host_ns)
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def _items(self, plan: gc.Repo) -> dict[str, gc.Item]:
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return {item.branch: item for item in plan.items if item.branch}
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def test_classifies_every_branch(self) -> None:
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items = self._items(self._plan(host_ns=True, cwds={}))
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self.assertEqual(items["main"].state, "protected")
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self.assertEqual(items["merged"].state, "merged-clean")
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self.assertEqual(items["merged"].merged_by, "ancestor")
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self.assertEqual(
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items["merged"].actions,
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["worktree", "local-branch", "remote-branch:origin"],
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)
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self.assertTrue(items["merged"].eligible)
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self.assertEqual(items["squashed"].merged_by, "pr#7")
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self.assertTrue(items["squashed"].eligible)
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self.assertEqual(items["fresh"].state, "unmerged")
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self.assertEqual(items["fresh"].reason, "no own commits")
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self.assertEqual(items["wip"].state, "unmerged")
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self.assertEqual(items["wip"].skip, "open-pr #3")
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self.assertEqual(items["dirty"].state, "dirty")
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def test_busy_worktree_is_skipped(self) -> None:
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cwds = {4242: os.path.join(self.merged_wt, "sub")}
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items = self._items(self._plan(host_ns=True, cwds=cwds))
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self.assertTrue(items["merged"].skip.startswith("process: pid 4242"))
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self.assertFalse(items["merged"].eligible)
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def test_lock_with_live_pid_is_skipped(self) -> None:
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self._lock(f"claude agent x (pid {os.getpid()} on host)")
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items = self._items(self._plan(host_ns=True, cwds={}))
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self.assertEqual(items["locked"].skip, f"lock: pid {os.getpid()} alive")
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def test_lock_with_dead_pid_is_overridden(self) -> None:
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self._lock("claude agent x (pid 999999999 on host)")
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items = self._items(self._plan(host_ns=True, cwds={}))
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self.assertIsNone(items["locked"].skip)
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self.assertTrue(items["locked"].eligible)
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def test_lock_outside_host_namespace_is_unknown(self) -> None:
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self._lock("claude agent x (pid 999999999 on host)")
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items = self._items(self._plan(host_ns=False, cwds={}))
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self.assertEqual(items["locked"].skip, "lock: liveness unknown")
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def test_lock_without_pid_is_respected(self) -> None:
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self._lock("manual hold")
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items = self._items(self._plan(host_ns=True, cwds={}))
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self.assertEqual(items["locked"].skip, "lock: manual hold")
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def test_forge_unavailable_skips_everything(self) -> None:
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self.forge = ForgeFacts(unavailable="no GitHub token")
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items = self._items(self._plan(host_ns=True, cwds={}))
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self.assertEqual(items["merged"].skip, "forge unavailable")
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self.assertIsNone(items["squashed"].merged_by)
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def test_stale_metadata_is_listed_not_pruned(self) -> None:
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stub = os.path.join(self.repo, ".git", "worktrees", "stub")
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os.makedirs(stub)
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open(os.path.join(stub, "commondir"), "w").close()
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plan = self._plan(host_ns=True, cwds={})
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stale = [i for i in plan.items if i.state == "stale"]
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self.assertEqual([i.worktree for i in stale], [stub])
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self.assertTrue(os.path.isdir(stub))
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def test_execute_removes_worktree_and_branches(self) -> None:
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plan = self._plan(host_ns=True, cwds={})
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item = self._items(plan)["merged"]
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meta = os.path.join(self.repo, ".git", "worktrees", "wt-merged")
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with patch.object(gc, "_process_cwds", return_value={}):
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gc.execute(plan, item)
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self.assertEqual(item.result, "done")
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self.assertFalse(os.path.exists(self.merged_wt))
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self.assertFalse(os.path.exists(meta))
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self.assertEqual(git(self.repo, "branch", "--list", "merged"), "")
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self.assertEqual(git(self.origin, "branch", "--list", "merged"), "")
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@unittest.skipUnless(docker_available(), "docker is not available")
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def test_execute_removes_foreign_owned_worktree_via_container(self) -> None:
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with open(os.path.join(self.repo, ".git", "info", "exclude"), "a") as fh:
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fh.write("node_modules/\n")
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subprocess.run(
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[
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"docker",
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"run",
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"--rm",
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"-v",
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f"{self.merged_wt}:/w",
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gc.CLEANUP_IMAGE,
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"sh",
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"-c",
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(
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"mkdir -p /w/node_modules/pkg && touch /w/node_modules/pkg/index.js"
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" && chown -R 65534:65534 /w/node_modules"
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),
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],
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check=True,
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capture_output=True,
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)
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self.assertTrue(gc._foreign_owned(self.merged_wt))
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plan = self._plan(host_ns=True, cwds={})
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item = self._items(plan)["merged"]
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meta = os.path.join(self.repo, ".git", "worktrees", "wt-merged")
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with patch.object(gc, "_process_cwds", return_value={}):
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gc.execute(plan, item)
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self.assertEqual(item.result, "done")
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self.assertFalse(os.path.lexists(self.merged_wt))
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self.assertFalse(os.path.exists(meta))
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self.assertEqual(git(self.repo, "branch", "--list", "merged"), "")
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def test_metadata_kept_when_checkout_survives_removal(self) -> None:
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plan = self._plan(host_ns=True, cwds={})
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item = self._items(plan)["merged"]
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meta = os.path.join(self.repo, ".git", "worktrees", "wt-merged")
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with (
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patch.object(gc, "_process_cwds", return_value={}),
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patch.object(gc, "_foreign_owned", return_value=True),
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patch.object(gc, "_docker", return_value="") as docker,
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):
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gc.execute(plan, item)
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docker.assert_called_once_with(
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[
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"run",
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"--rm",
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"-v",
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f"{self.root}:/w",
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gc.CLEANUP_IMAGE,
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"rm",
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"-rf",
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"/w/wt-merged",
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]
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)
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self.assertTrue(item.result.startswith("failed: worktree"))
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self.assertTrue(os.path.isdir(self.merged_wt))
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self.assertTrue(os.path.isdir(meta))
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self.assertNotEqual(git(self.repo, "branch", "--list", "merged"), "")
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def test_execute_skips_item_changed_since_plan(self) -> None:
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plan = self._plan(host_ns=True, cwds={})
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item = self._items(plan)["merged"]
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with open(os.path.join(self.merged_wt, "late.txt"), "w") as fh:
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fh.write("late")
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with patch.object(gc, "_process_cwds", return_value={}):
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gc.execute(plan, item)
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self.assertTrue(item.result.startswith("skipped: changed since plan"))
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self.assertTrue(os.path.isdir(self.merged_wt))
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def test_branch_gc_json_and_refusal(self) -> None:
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out = io.StringIO()
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with (
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patch.object(gc, "host_pid_namespace", return_value=True),
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patch.object(gc, "list_compose_containers", return_value=[]),
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patch.object(gc, "fetch_forge_facts", return_value=self.forge),
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patch.object(gc, "_process_cwds", return_value={}),
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redirect_stdout(out),
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):
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code = gc.branch_gc(
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[self.repo], apply=False, as_json=True, include=["merged"], exclude=[]
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)
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data = json.loads(out.getvalue())
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self.assertEqual(code, 0)
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self.assertEqual([i["branch"] for i in data["repos"][0]["items"]], ["merged"])
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with patch.object(gc, "host_pid_namespace", return_value=False):
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self.assertEqual(
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gc.branch_gc(
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[self.repo], apply=True, as_json=False, include=[], exclude=[]
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),
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2,
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)
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def test_cli_forwards_gc_flags(self) -> None:
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args = create_parser("test").parse_args(
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[
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"branch",
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"gc",
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"--apply",
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"--json",
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"--branch",
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"a",
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"--branch",
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"b",
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"--exclude",
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"c",
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]
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)
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with (
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patch("pkgmgr.cli.commands.branch.main_repo_root", return_value=self.repo),
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patch("pkgmgr.cli.commands.branch.branch_gc", return_value=1) as run_gc,
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self.assertRaises(SystemExit) as exit_ctx,
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):
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handle_branch(args, ctx=None)
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self.assertEqual(exit_ctx.exception.code, 1)
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run_gc.assert_called_once_with(
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[self.repo], apply=True, as_json=True, include=["a", "b"], exclude=["c"]
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)
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if __name__ == "__main__":
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unittest.main()
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