Return the matched Rust tool name, or None. Matches two locations: 1. First token (after env-var prefix) is one of RUST_TOOLS. 2. Mid-chain occurrence: ` ` somewhere in the command (catches `cd /x && cargo build`, `(cd y; rustc …)`, etc.).
(command: str)
| 102 | |
| 103 | |
| 104 | def _matches_rust_tool(command: str) -> str | None: |
| 105 | """Return the matched Rust tool name, or None. |
| 106 | |
| 107 | Matches two locations: |
| 108 | 1. First token (after env-var prefix) is one of RUST_TOOLS. |
| 109 | 2. Mid-chain occurrence: ` <tool> ` somewhere in the command |
| 110 | (catches `cd /x && cargo build`, `(cd y; rustc …)`, etc.). |
| 111 | """ |
| 112 | rest, _ = strip_env_prefix(command.lstrip()) |
| 113 | # If already running under soldr, treat as compliant. |
| 114 | if re.match(r"soldr(\s|$)", rest): |
| 115 | return None |
| 116 | for tool in RUST_TOOLS: |
| 117 | # Position 1: first token. |
| 118 | if re.match(rf"{re.escape(tool)}(\s|$)", rest): |
| 119 | return tool |
| 120 | # Position 2: mid-chain. Match the tool when preceded by a |
| 121 | # shell separator (`&&`, `||`, `;`, `(`, `|`, whitespace) so we |
| 122 | # don't match substrings like `mycargo` or `--rustflags=…`. |
| 123 | # Python's `re` doesn't support variable-width lookbehind, so |
| 124 | # do the `soldr` exclusion as a second pass: walk every |
| 125 | # occurrence and check the immediately-preceding non-space |
| 126 | # token. |
| 127 | for m in re.finditer(rf"(?:^|[;&|()\s]){re.escape(tool)}(?:\s|$)", rest): |
| 128 | before = rest[: m.start()].rstrip() |
| 129 | last_token = before.rsplit(None, 1)[-1] if before else "" |
| 130 | if last_token == "soldr": |
| 131 | continue |
| 132 | return tool |
| 133 | return None |
| 134 | |
| 135 | |
| 136 | def main() -> int: |
no test coverage detected