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// Copyright 2016 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
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//! Check license of third-party deps by inspecting src/vendor | ||
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use std::fs::File; | ||
use std::io::Read; | ||
use std::path::Path; | ||
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static LICENSES: &'static [&'static str] = &[ | ||
"MIT/Apache-2.0" | ||
]; | ||
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pub fn check(path: &Path, bad: &mut bool) { | ||
let path = path.join("vendor"); | ||
assert!(path.exists(), "vendor directory missing"); | ||
let mut saw_dir = false; | ||
for dir in t!(path.read_dir()) { | ||
saw_dir = true; | ||
let dir = t!(dir); | ||
let toml = dir.path().join("Cargo.toml"); | ||
if !check_license(&toml) { | ||
*bad = true; | ||
} | ||
} | ||
assert!(saw_dir, "no vendored source"); | ||
} | ||
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fn check_license(path: &Path) -> bool { | ||
if !path.exists() { | ||
panic!("{} does not exist", path.display()); | ||
} | ||
let mut contents = String::new(); | ||
t!(t!(File::open(path)).read_to_string(&mut contents)); | ||
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let mut found_license = false; | ||
for line in contents.lines() { | ||
if !line.starts_with("license") { | ||
continue; | ||
} | ||
let license = extract_license(line); | ||
if !LICENSES.contains(&&*license) { | ||
println!("invalid license {} in {}", license, path.display()); | ||
return false; | ||
} | ||
found_license = true; | ||
break; | ||
} | ||
if !found_license { | ||
println!("no license in {}", path.display()); | ||
return false; | ||
} | ||
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true | ||
} | ||
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fn extract_license(line: &str) -> String { | ||
let first_quote = line.find('"'); | ||
let last_quote = line.rfind('"'); | ||
if let (Some(f), Some(l)) = (first_quote, last_quote) { | ||
let license = &line[f + 1 .. l]; | ||
license.into() | ||
} else { | ||
"bad-license-parse".into() | ||
} | ||
} |
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