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本批内容见 CHANGELOG.md 的 0.2.4 段。按 D41 用孤儿快照推 main,保留「公开史只有里程碑」的模型。
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#!/usr/bin/env python3
"""测试通道守门(M169,r3:allowlist 改成**结构判定 + 默认拒绝**)。
`update-test-source` 让 `core::update::job::default_source` 可被两个环境变量指向任意本地目录,而更新
链路终点是**替换用户盘上的 exe**。「默认关 + 编译期不存在」是唯一可靠边界,所以「谁也没在流水线里
把它打开」必须是自动断言。
四条断言(任一不成立即 exit 1,CI 里红在 `.github/workflows/release-guard.yml`):
1. **workflow / 复合 action 里不许打开它**。唯一例外:`.github/workflows/ci.yml` 里**名为
`update-e2e` 的那个列表项**,且该项自己的文本必须带 `--test update_e2e_test`。归属按
`jobs.*.steps[]` 的**列表项**判(见 `split_items`),不是「最近一行 `- name:`」——后者会把追加到
文件末尾的无名步骤 / 无名 job 的步骤 / flow 风格步骤算进上一块(r2 复审 P2-1 实测三条全绿)。
**任何落不到具名步骤上的行(`jobs:` 之前的孤儿行、项外键、无名项)一律判红**:默认拒绝。
2. **不许「打开所有 feature」**:`--all-features`、`cargo hack --feature-powerset|--each-feature|--all`。
3. **不许设成默认**:`Cargo.toml` 里它只许是**自己的声明**(含跨行数组);进 `default` 或别的
feature 的依赖数组即红。
4. **扫描面逐项列举**(`WORKFLOW_GLOBS` / `SCRIPT_GLOBS` / `BUILD_ENTRY_GLOBS` / `CONFIG_GLOBS`):
含 `.github/actions/**`、`packaging/**` 递归子目录、`Makefile`/`justfile`/`Taskfile`、以及
`.cargo/config*.toml`(`--cfg feature="…"` 与 `rustc-wrapper` 都能绕过 `--features`,见
`scan_cargo_config`)。
注释剥离是**引号感知**的(`echo "#"; cargo build --features …` 里那个 `#` 不是注释)。抓不住的都是
**故意手打**或**运行期数据流**(完整清单见 `packaging/README.md` §14):变量拼接、两步 `$GITHUB_ENV`
交接(第二步没有字面量——静态扫描的固有边界)、feature 改名后接回、`build.rs` 里 spawn cargo、改名复用。
`--self-test` 把每条断言的**真实回归**注入临时副本(数据在 `packaging/tests/guard_vectors.json`),
断言该红的红、该绿的绿。守门自己抓不住回归时它会先红。
"""
from __future__ import annotations
import argparse
import json
import re
import sys
import tempfile
from pathlib import Path
#: 被守的 feature 名(改名就得同步改本文件与各 `Cargo.toml`)。
FEATURE = "update-test-source"
#: 仓库根(本文件在 `packaging/` 下)与本文件自身(扫描时跳过:它必须写出 feature 名)。
ROOT = Path(__file__).resolve().parent.parent
GUARD = Path(__file__).resolve()
#: 扫描面(逐个列举,不用 `**` 全仓:那会把 `target/` 拖进来)。
WORKFLOW_GLOBS = (
".github/workflows/**/*.yml",
".github/workflows/**/*.yaml",
".github/actions/**/*.yml",
".github/actions/**/*.yaml",
)
SCRIPT_GLOBS = ("packaging/**/*.py", "packaging/**/*.sh", "packaging/**/*.ps1")
BUILD_ENTRY_GLOBS = (
"Makefile",
"justfile",
"Justfile",
"Taskfile.yml",
"Taskfile.yaml",
"crates/*/Makefile",
"packaging/Makefile",
)
MANIFEST_GLOBS = ("Cargo.toml", "crates/*/Cargo.toml")
#: cargo 配置:`--cfg feature="…"` 与 `rustc-wrapper` 都能在没有 `--features` 时打开这条通道(P2-2)。
CONFIG_GLOBS = (
".cargo/config.toml",
".cargo/config",
"crates/*/.cargo/config.toml",
"crates/*/.cargo/config",
)
#: 任意 wrapper 都能注入 `--cfg`,文本扫描看不见 ⇒ 一律判红。
WRAPPER_KEY = re.compile(r"^\s*(rustc|rustc-workspace)-wrapper\s*=")
#: 唯一允许出现该 feature 的地方:**文件 + 列表项名 + 必须同在的字符串**,三者不符即红。
ALLOWED_STEP = {
"workflow": ".github/workflows/ci.yml",
"name": "update-e2e",
"must_contain": "--test update_e2e_test",
}
#: 「打开全部 feature」的开关。`--all` 后面不许跟 `-`/字母(否则 `--all-targets` 会被误杀)。
ALL_FEATURES = (
re.compile(r"--all-features\b"),
re.compile(r"--feature-powerset\b"),
re.compile(r"--each-feature\b"),
re.compile(r"\bcargo\s+hack\b[^\n]*\s--all(?![-\w])"),
)
#: YAML 列表项(任意缩进);名字只认键位置上的 `name:`(块风格 / flow 风格)。
LIST_ITEM = re.compile(r"^(\s*)-\s+")
NAME_BLOCK = re.compile(r"^['\"]?name['\"]?\s*:\s*(.+)$")
NAME_FLOW = re.compile(r"^\{[^{}]*?\bname\s*:\s*([^,}]+)")
#: Cargo.toml 里「自己的声明」:行首 `update-test-source = [`。
DECLARATION = re.compile(rf"^\s*{re.escape(FEATURE)}\s*=\s*\[")
#: 块标量开头(`run: |` / `run: >-`):其后的更深缩进行是**内容**,不是键。
BLOCK_SCALAR = ("|", ">", "|-", ">-", "|+", ">+")
def strip_comment(line: str) -> str:
"""引号感知地剥注释:`#` 只有「行首或空白之后」且不在引号内时才开始注释。"""
quote = None
for index, char in enumerate(line):
if quote is not None:
if char == quote:
quote = None
elif char in "\"'":
quote = char
elif char == "#" and (index == 0 or line[index - 1].isspace()):
return line[:index]
return line
def dangerous_flag(code: str) -> str | None:
"""这一行有没有「打开全部 feature」的开关(返回命中的开关,便于写清原因)。"""
for pattern in ALL_FEATURES:
match = pattern.search(code)
if match:
return match.group(0)
return None
def _lines(path: Path) -> list[tuple[int, str]]:
return list(enumerate(path.read_text(encoding="utf-8").splitlines(), start=1))
def _name_of(key_indent: int, body: list[tuple[int, str]]) -> str | None:
"""列表项的名字:项内**同级**的 `name:` 键(键序无关;块标量内容不当键)。
「同级」= 项首行 `- ` 之后那一列(`item.end() == key_indent`,r3 复审 P2-1):更深缩进的
`- name:`(`with:` / `env:` 子列表、`run: |` 内容)**不算**项名。找不到、或出现两个**不同**的
`name:` 都返回 `None` ⇒ 落不到具名步骤 ⇒ 带 feature 就红(默认拒绝)。
"""
in_block = False
found: str | None = None
for _number, line in body:
text = line.strip()
if not text or text.startswith("#"):
continue
indent = len(line) - len(line.lstrip(" "))
item = LIST_ITEM.match(line)
if in_block and indent > key_indent:
continue
in_block = False
if item and item.end() == key_indent:
code = strip_comment(line[item.end() :]) # 项首行:` - name: x` → `name: x`
elif not item and indent == key_indent:
code = strip_comment(text)
else:
continue
for pattern in (NAME_BLOCK, NAME_FLOW):
match = pattern.match(code.strip())
if match:
value = match.group(1).strip().rstrip("}").strip("'\"")
if found is not None and found != value:
return None
found = value
break
if code.rstrip().endswith(BLOCK_SCALAR):
in_block = True
return found
def split_items(
lines: list[tuple[int, str]],
) -> tuple[list[tuple[str | None, list[tuple[int, str]]]], list[tuple[int, str]]]:
"""按 YAML **列表项**切块,返回((项名, 该项的行), 孤儿行)。
每个 `- ` 起一项;更深的行归当前项,**同级或更浅的非列表行结束当前项**(job 键 / `steps:` /
顶层键)。落不到列表项上的行是孤儿——不属于任何步骤,带 feature 就红。
"""
items: list[tuple[str | None, list[tuple[int, str]]]] = []
orphans: list[tuple[int, str]] = []
body: list[tuple[int, str]] = []
base, key_indent = 0, 0
for number, line in lines:
text = line.strip()
if not text or text.startswith("#"):
(body if body else orphans).append((number, line))
continue
indent = len(line) - len(line.lstrip(" "))
item = LIST_ITEM.match(line)
if item and (not body or indent <= base):
if body:
items.append((_name_of(key_indent, body), body))
body, base, key_indent = [(number, line)], indent, item.end()
continue
if body and indent > base:
body.append((number, line))
continue
if body:
items.append((_name_of(key_indent, body), body))
body = []
orphans.append((number, line))
if body:
items.append((_name_of(key_indent, body), body))
return items, orphans
def _reason(where: str, name: str | None, text: str) -> str | None:
"""`None` = 这一项被放行;否则返回「为什么红」的一句话(按最具体的那条给)。"""
if where != ALLOWED_STEP["workflow"]:
return f"`{FEATURE}` 只许出现在 `{ALLOWED_STEP['workflow']}` 的 `{ALLOWED_STEP['name']}` 步骤里(这里是 `{where}`)"
if name is None:
return f"这一项没有同级 `name:`,落不到具名步骤(默认拒绝);`{where}` 里只有 `{ALLOWED_STEP['name']}` 可以用它"
if name != ALLOWED_STEP["name"]:
return f"`{where}` 里只有名为 `{ALLOWED_STEP['name']}` 的步骤可以用 `{FEATURE}`(这一项叫 `{name}`)"
if ALLOWED_STEP["must_contain"] not in text:
return f"`{where}` 的 `{name}` 步骤少了 `{ALLOWED_STEP['must_contain']}`"
return None
def _flag_problems(where: str, body: list[tuple[int, str]]) -> list[str]:
problems: list[str] = []
for number, line in body:
flag = dangerous_flag(strip_comment(line))
if flag:
problems.append(
f"::error file={where}:{number}::{where} 用了 `{flag}`:它会把 `{FEATURE}` 一起打开"
)
return problems
def scan_workflow(path: Path, root: Path) -> list[str]:
"""扫 workflow / 复合 action:feature 只许出现在 allowlist 点名的那一项里。"""
where = path.relative_to(root).as_posix()
items, orphans = split_items(_lines(path))
problems = _flag_problems(where, orphans)
for number, line in orphans:
if FEATURE in strip_comment(line):
problems.append(
f"::error file={where}:{number}::{where} 这一行落不到任何具名步骤(默认拒绝);"
"官方发布产物里不许有测试通道"
)
for name, body in items:
problems += _flag_problems(where, body)
codes = [(number, strip_comment(line)) for number, line in body]
hits = [(number, code) for number, code in codes if FEATURE in code]
if not hits:
continue
reason = _reason(where, name, "\n".join(code for _number, code in codes))
if reason is None:
continue
for number, _code in hits:
problems.append(
f"::error file={where}:{number}::{reason};"
"官方发布产物里不许有测试通道(它能把更新源指向任意本地目录)"
)
return problems
def scan_code_file(path: Path, root: Path) -> list[str]:
"""扫脚本 / 构建入口 / cargo config:没有 allowlist,字面量或开关出现即红。"""
where = path.relative_to(root).as_posix()
problems: list[str] = []
for number, line in _lines(path):
code = strip_comment(line)
if not code:
continue
if FEATURE in code:
problems.append(
f"::error file={where}:{number}::{where} 打开了 `{FEATURE}`:"
"官方发布产物里不许有测试通道(它能把更新源指向任意本地目录)"
)
flag = dangerous_flag(code)
if flag:
problems.append(
f"::error file={where}:{number}::{where} 用了 `{flag}`:它会把 `{FEATURE}` 一起打开"
)
return problems
def scan_manifest(path: Path, root: Path) -> list[str]:
"""扫 Cargo.toml:feature 只许出现在自己的声明里(**含跨行数组**),不许进别的列表。"""
where = path.relative_to(root).as_posix()
problems: list[str] = []
in_declaration = False
for number, line in _lines(path):
code = strip_comment(line).strip()
if in_declaration:
in_declaration = "]" not in code
continue
if FEATURE not in code:
continue
if DECLARATION.match(code):
in_declaration = "]" not in code
continue
problems.append(
f"::error file={where}:{number}::{where} 把 `{FEATURE}` 写进了别的 feature 列表:"
"只许它是自己的声明(可跨行),不许进 `default` 或别的 feature"
)
return problems
def scan_cargo_config(path: Path, root: Path) -> list[str]:
"""扫 `.cargo/config*.toml`:`--cfg feature="…"` 与 `rustc-wrapper` 都能绕过 `--features`。
r3 复审 P2-2 实测:`RUSTFLAGS='--cfg=feature="update-test-source"'` 能让 `#[cfg(feature = …)]`
段在没有 `--features` 时编进来。`[build] rustflags` / `[env]` 靠 feature 字面量抓(走
`scan_code_file`);`rustc-wrapper` 抓不住(注入什么由程序决定)⇒ 一律判红,合法用途要 review 同意。
"""
problems = scan_code_file(path, root)
where = path.relative_to(root).as_posix()
for number, line in _lines(path):
if WRAPPER_KEY.match(strip_comment(line)):
problems.append(
f"::error file={where}:{number}::{where} 设了 rustc wrapper:wrapper 能注入任意 "
f"`--cfg`,静态扫描看不见它是否打开了 `{FEATURE}`(默认拒绝)"
)
return problems
def scan(root: Path) -> list[str]:
"""扫整个仓库,返回所有问题(空 = 绿)。"""
problems: list[str] = []
for patterns, scanner in (
(WORKFLOW_GLOBS, scan_workflow),
(SCRIPT_GLOBS, scan_code_file),
(BUILD_ENTRY_GLOBS, scan_code_file),
(CONFIG_GLOBS, scan_cargo_config),
(MANIFEST_GLOBS, scan_manifest),
):
for path in sorted({p for pattern in patterns for p in root.glob(pattern)}):
if scanner is scan_code_file and path.resolve() == GUARD:
continue
try:
problems += scanner(path, root)
except OSError as error:
problems.append(f"::error file={path}::读不到 {path}:{error}")
return problems
# ────────────────────────── 变异自测 ──────────────────────────
#: 自测数据(基线 + 向量)单独放一份 JSON:`packaging/tests/manifest.golden.json` 是同一手法。
#: 每个向量 = 一份「覆盖/新增的文件」;期望红的是真实回归,期望绿的是防误杀(合法写法不许红)。
#: 条目标签自带出处(`allowlist:` / `P2-1` / `P2-2` / `误杀` / `Cargo`),红的时候一眼看得出守哪条。
VECTORS_FILE = Path(__file__).resolve().parent / "tests" / "guard_vectors.json"
def _load_vectors() -> tuple[dict[str, str], list[tuple[str, dict[str, str], str]]]:
data = json.loads(VECTORS_FILE.read_text(encoding="utf-8"))
return data["baseline"], [
(item["label"], item["files"], item["expect"]) for item in data["vectors"]
]
def _scan_case(files: dict[str, str]) -> list[str]:
with tempfile.TemporaryDirectory(prefix="ull-test-source-guard-") as temp:
root = Path(temp)
for relative, text in files.items():
path = root / relative
path.parent.mkdir(parents=True, exist_ok=True)
path.write_text(text, encoding="utf-8")
return scan(root)
def self_test() -> int:
try:
base_files, vectors = _load_vectors()
except (OSError, ValueError, KeyError) as error:
print(f"::error::读不到自测向量 {VECTORS_FILE}:{error}", file=sys.stderr)
return 1
failures: list[str] = []
baseline = _scan_case(base_files)
if baseline:
failures.append(f"基线应当绿,实际红了:{baseline}")
for label, changes, expect in vectors:
files = dict(base_files)
files.update(changes)
hits = _scan_case(files)
if expect == "red" and not hits:
failures.append(f"{label}:注入了真实回归,守门却没红(抓不住)")
if expect == "green" and hits:
failures.append(f"{label}:应当放行,实际红了(误杀):{hits}")
if failures:
for failure in failures:
print(f"::error::{failure}", file=sys.stderr)
return 1
reds = sum(1 for _label, _changes, expect in vectors if expect == "red")
print(f"OK: 守门自测通过({reds} 条注入全红,{len(vectors) - reds + 1} 条基线/放行保持绿)")
return 0
def main() -> int:
parser = argparse.ArgumentParser(description=f"守门:官方发布产物里不许有 {FEATURE}")
parser.add_argument("--self-test", action="store_true", help="注入变异自测(该红的红、该绿的绿)")
parser.add_argument("--root", type=Path, default=ROOT, help="仓根(自测用)")
args = parser.parse_args()
if args.self_test:
return self_test()
problems = scan(args.root)
if problems:
for problem in problems:
print(problem, file=sys.stderr)
return 1
print(f"OK: 流水线与打包脚本都没有打开 {FEATURE}(默认关,发布产物不含测试通道)")
return 0
if __name__ == "__main__":
raise SystemExit(main())