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// Copyright (c) The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or https://opensource.org/license/mit/.
use std::env;
use std::path::PathBuf;
use std::process::Command;
use std::process::ExitCode;
use String as LintError;
/// Return the git command
fn git() -> Command {
Command::new("git")
}
/// Return stdout
fn check_output(cmd: &mut std::process::Command) -> Result<String, LintError> {
let out = cmd.output().expect("command error");
if !out.status.success() {
return Err(String::from_utf8_lossy(&out.stderr).to_string());
}
Ok(String::from_utf8(out.stdout)
.map_err(|e| format!("{e}"))?
.trim()
.to_string())
}
/// Return the git root as utf8, or panic
fn get_git_root() -> String {
check_output(git().args(["rev-parse", "--show-toplevel"])).unwrap()
}
fn lint_std_filesystem() -> Result<(), LintError> {
let found = git()
.args([
"grep",
"std::filesystem",
"--",
"./src/",
":(exclude)src/util/fs.h",
])
.status()
.expect("command error")
.success();
if found {
Err(r#"
^^^
Direct use of std::filesystem may be dangerous and buggy. Please include <util/fs.h> and use the
fs:: namespace, which has unsafe filesystem functions marked as deleted.
"#
.to_string())
} else {
Ok(())
}
}
fn main() -> ExitCode {
let test_list = [("std::filesystem check", lint_std_filesystem)];
let git_root = PathBuf::from(get_git_root());
let mut test_failed = false;
for (lint_name, lint_fn) in test_list {
// chdir to root before each lint test
env::set_current_dir(&git_root).unwrap();
if let Err(err) = lint_fn() {
println!("{err}\n^---- Failure generated from {lint_name}!");
test_failed = true;
}
}
if test_failed {
ExitCode::FAILURE
} else {
ExitCode::SUCCESS
}
}
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