src/tools/tidy/src/cargo_lock.rs

   1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 use std::path::Path;
  12 use std::ffi::OsStr;
  13
  14 const CARGO_LOCK: &'static str = "Cargo.lock";
  15
  16 pub fn check(path: &Path, bad: &mut bool) {
  17     use std::process::Command;
  18
  19     super::walk(path,
  20                 &mut |path| super::filter_dirs(path) || path.ends_with("src/test"),
  21                 &mut |file| {
  22         if let Some(CARGO_LOCK) = file.file_name().and_then(OsStr::to_str) {
  23             let rel_path = file.strip_prefix(path).unwrap();
  24             let git_friendly_path = rel_path.to_str().unwrap().replace("\\", "/");
  25             let ret_code = Command::new("git")
  26                                         .arg("diff")
  27                                         .arg("--exit-code")
  28                                         .arg("--patch")
  29                                         .arg("HEAD")
  30                                         .arg(&git_friendly_path)
  31                                         .current_dir(path)
  32                                         .status()
  33                                         .unwrap_or_else(|e| {
  34                                             panic!("could not run git diff-index: {}", e);
  35                                         });
  36             if !ret_code.success() {
  37                 let parent_path = file.parent().unwrap().join("Cargo.toml");
  38                 print!("dirty lock file found at {} ", rel_path.display());
  39                 println!("please commit your changes or update the lock file by running:");
  40                 println!("\n\tcargo update --manifest-path {}", parent_path.display());
  41                 *bad = true;
  42             }
  43         }
  44     });
  45 }