feat(shared-skills): add user skill sources
This commit is contained in:
YeonGyu-Kim
+296
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#!/usr/bin/env -S uv run --script
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# /// script
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# requires-python = ">=3.11"
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# dependencies = []
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# ///
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#
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# How to run:
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# uv run --script check-no-excuse-rules.py src/lib.rs src/main.rs
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# uv run --script check-no-excuse-rules.py src/ # recursively finds .rs files
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# uv run --script check-no-excuse-rules.py . # entire tree
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#
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# No-excuse rule checker for Rust files — Python rewrite of check-no-excuse-rules.sh.
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# Only rules enforceable via pure text matching live here.
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# Everything semantic is on clippy + miri + nextest.
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#
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# Rules:
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# unwrap .unwrap() outside tests without // SAFE-UNWRAP:
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# expect .expect() outside tests without // SAFE-EXPECT:
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# placeholder-macro todo!/unimplemented!/unreachable!/unreachable_unchecked! in committed code
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# box-dyn-error Box<dyn Error> in non-test code
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# lib-panic panic!() in library code
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# unsafe-no-safety unsafe { without // SAFETY: in preceding 5 lines
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# unjustified-clippy-allow #[allow(clippy::...)] without // CLIPPY-ALLOW:
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# narrowing-as-cast possible narrowing 'as' cast
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#
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# Opt-out: place the appropriate comment on the previous line:
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# // SAFE-UNWRAP: <reason>
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# // SAFE-EXPECT: <reason>
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# // SAFETY: <reason> (for unsafe blocks, within 5 lines above)
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# // CLIPPY-ALLOW: <reason>
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#
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# Test paths (exempt from unwrap/expect/placeholder/box-dyn-error/lib-panic):
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# tests/, benches/, examples/, build.rs, *_test.rs, #[cfg(test)] regions
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from __future__ import annotations
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import re
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import sys
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from pathlib import Path
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# ---------------------------------------------------------------------------
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# Patterns (compiled once)
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# ---------------------------------------------------------------------------
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RE_UNWRAP = re.compile(r"\.unwrap\(\)")
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RE_EXPECT = re.compile(r"\.expect\(")
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RE_PLACEHOLDER = re.compile(r"\b(todo!|unimplemented!|unreachable!|unreachable_unchecked!)")
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RE_BOX_DYN_ERROR = re.compile(r"Box<dyn\s+Error")
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RE_PANIC = re.compile(r"\bpanic!\(")
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RE_UNSAFE_BLOCK = re.compile(r"\bunsafe\s*\{")
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RE_CLIPPY_ALLOW = re.compile(r"#\[allow\(clippy::")
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RE_CFG_TEST = re.compile(r"#\[cfg\(test\)\]")
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RE_SAFE_UNWRAP = re.compile(r"//\s*SAFE-UNWRAP:")
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RE_SAFE_EXPECT = re.compile(r"//\s*SAFE-EXPECT:")
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RE_SAFETY = re.compile(r"//\s*SAFETY:")
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RE_CLIPPY_ALLOW_JUST = re.compile(r"//\s*CLIPPY-ALLOW:")
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# Narrowing cast: (wider) as (narrower)
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# Wider types that lose bits when cast to narrower targets.
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# No leading \b — must match e.g. `999u64 as u32` where a digit precedes the type.
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_WIDER = r"(?:u16|u32|u64|u128|usize|i16|i32|i64|i128|isize)"
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_NARROWER = r"(?:u8|u16|u32|i8|i16|i32)"
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RE_NARROWING_CAST = re.compile(
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rf"{_WIDER}\s+as\s+{_NARROWER}"
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)
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# Test-path fragments.
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_TEST_PATH_PARTS = {"tests", "benches", "examples"}
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# ---------------------------------------------------------------------------
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# Helpers
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# ---------------------------------------------------------------------------
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violations = 0
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def report(file: str, line: int, rule: str, detail: str) -> None:
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"""Emit a GitHub-Actions-compatible error annotation to stderr."""
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global violations
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print(f"::error file={file},line={line}::[{rule}] {detail}", file=sys.stderr)
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violations += 1
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def is_test_path(path: Path) -> bool:
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"""Return True if *path* is in a test/bench/example directory or is a test file."""
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parts = path.parts
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for part in parts:
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if part in _TEST_PATH_PARTS:
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return True
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if path.name == "build.rs":
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return True
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if path.name.endswith("_test.rs"):
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return True
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return False
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def is_lib_path(file: Path) -> bool:
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"""Heuristic: is this file library code (not main.rs, not src/bin/*)."""
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parts = path_parts_str(file)
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# Must live under src/
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if "src" not in parts:
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return False
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if file.name == "main.rs":
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return False
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# src/bin/* is binary code
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try:
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src_idx = parts.index("src")
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if src_idx + 1 < len(parts) and parts[src_idx + 1] == "bin":
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return False
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except ValueError:
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return False
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return True
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def path_parts_str(p: Path) -> list[str]:
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return list(p.parts)
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def strip_line_comment(line: str) -> str:
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"""Return the portion of *line* before any ``//`` line comment.
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This is a crude heuristic — it does not handle ``//`` inside string
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literals, but matches the behaviour of the bash version.
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"""
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idx = line.find("//")
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if idx == -1:
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return line
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return line[:idx]
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def collect_rs_files(args: list[str]) -> list[Path]:
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"""Expand CLI arguments: files are kept as-is, directories are walked."""
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result: list[Path] = []
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for arg in args:
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p = Path(arg)
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if p.is_file():
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if p.suffix == ".rs":
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result.append(p)
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elif p.is_dir():
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result.extend(sorted(p.rglob("*.rs")))
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# Ignore non-existent / non-.rs
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return result
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# ---------------------------------------------------------------------------
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# Main checker
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# ---------------------------------------------------------------------------
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def check_file(file: Path) -> None:
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in_test_file = is_test_path(file)
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in_cfg_test = False
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cfg_test_brace_depth = 0
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try:
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lines = file.read_text(encoding="utf-8", errors="replace").splitlines()
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except OSError as exc:
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print(f"warning: cannot read {file}: {exc}", file=sys.stderr)
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return
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for line_no_0, raw_line in enumerate(lines):
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line_no = line_no_0 + 1 # 1-indexed
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# --- #[cfg(test)] region tracker ---
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if RE_CFG_TEST.search(raw_line):
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in_cfg_test = True
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cfg_test_brace_depth = 0
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if in_cfg_test:
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opens = raw_line.count("{")
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closes = raw_line.count("}")
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cfg_test_brace_depth += opens - closes
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if cfg_test_brace_depth <= 0 and not RE_CFG_TEST.search(raw_line):
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in_cfg_test = False
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exempt = in_test_file or in_cfg_test
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code_only = strip_line_comment(raw_line)
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if not exempt:
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# .unwrap()
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if RE_UNWRAP.search(code_only):
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prev = lines[line_no_0 - 1] if line_no_0 > 0 else ""
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if not RE_SAFE_UNWRAP.search(prev):
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report(
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str(file), line_no, "unwrap",
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".unwrap() outside tests - use ? / ok_or / pattern match "
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"or annotate previous line with // SAFE-UNWRAP: <reason>",
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)
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# .expect(...)
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if RE_EXPECT.search(code_only):
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prev = lines[line_no_0 - 1] if line_no_0 > 0 else ""
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if not RE_SAFE_EXPECT.search(prev):
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report(
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str(file), line_no, "expect",
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".expect() outside tests - use ? or annotate previous "
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"line with // SAFE-EXPECT: <reason>",
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)
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# todo!/unimplemented!/unreachable!/unreachable_unchecked!
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if RE_PLACEHOLDER.search(code_only):
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report(
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str(file), line_no, "placeholder-macro",
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"todo!/unimplemented!/unreachable! in committed code",
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)
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# Box<dyn Error>
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if RE_BOX_DYN_ERROR.search(code_only):
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report(
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str(file), line_no, "box-dyn-error",
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"Box<dyn Error> in non-test code - use anyhow::Error (apps) "
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"or thiserror enum (libs)",
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)
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# panic!() in library code
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if is_lib_path(file) and RE_PANIC.search(code_only):
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report(
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str(file), line_no, "lib-panic",
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"panic!() in library code - return Result",
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)
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# unsafe { without // SAFETY: — always enforced, even in tests
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if RE_UNSAFE_BLOCK.search(code_only):
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start = max(0, line_no_0 - 5)
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window = "\n".join(lines[start : line_no_0 + 1])
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if not RE_SAFETY.search(window):
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report(
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str(file), line_no, "unsafe-no-safety-comment",
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"unsafe block without // SAFETY: comment in preceding 5 lines",
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)
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# #[allow(clippy::...)] without // CLIPPY-ALLOW: — always enforced
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if RE_CLIPPY_ALLOW.search(code_only):
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prev = lines[line_no_0 - 1] if line_no_0 > 0 else ""
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if not RE_CLIPPY_ALLOW_JUST.search(prev):
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report(
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str(file), line_no, "unjustified-clippy-allow",
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"#[allow(clippy::...)] without // CLIPPY-ALLOW: <reason> on "
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"previous line",
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)
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# Narrowing numeric `as` casts
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if RE_NARROWING_CAST.search(code_only):
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report(
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str(file), line_no, "narrowing-as-cast",
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"possible narrowing 'as' cast - use TryFrom / try_into() for "
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"fallible conversion",
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)
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# ---------------------------------------------------------------------------
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# Entry point
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# ---------------------------------------------------------------------------
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def main() -> None:
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global violations
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if len(sys.argv) < 2:
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print(f"Usage: {sys.argv[0]} <file.rs|dir> [file.rs|dir ...]", file=sys.stderr)
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sys.exit(2)
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files = collect_rs_files(sys.argv[1:])
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if not files:
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print("warning: no .rs files found in the given arguments", file=sys.stderr)
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sys.exit(0)
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for f in files:
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check_file(f)
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if violations > 0:
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print("", file=sys.stderr)
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print(
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f"rust-programmer: {violations} violation(s). Fix before declaring work done.",
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file=sys.stderr,
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)
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print("", file=sys.stderr)
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print("Then run the full toolchain gate:", file=sys.stderr)
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print(" cargo +stable fmt --all -- --check", file=sys.stderr)
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print(
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" cargo +stable clippy --all-targets --all-features -- -D warnings",
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file=sys.stderr,
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)
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print(" cargo nextest run --all-targets --all-features", file=sys.stderr)
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print(
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" cargo +nightly miri nextest run --all-features # if unsafe touched",
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file=sys.stderr,
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)
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print(" cargo machete", file=sys.stderr)
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print(" cargo deny check", file=sys.stderr)
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sys.exit(1)
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print(f"rust-programmer: no-excuse rules passed for {len(files)} file(s).")
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if __name__ == "__main__":
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main()
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