src/tools/replace-version-placeholder/src/main.rs

   1 use std::path::PathBuf;
   2 use tidy::{t, walk};
   3
   4 pub const VERSION_PLACEHOLDER: &str = "CURRENT_RUSTC_VERSION";
   5
   6 fn main() {
   7     let root_path: PathBuf = std::env::args_os().nth(1).expect("need path to root of repo").into();
   8     let version_path = root_path.join("src").join("version");
   9     let version_str = t!(std::fs::read_to_string(&version_path), version_path);
  10     let version_str = version_str.trim();
  11     walk::walk(
  12         &root_path,
  13         &mut |path| {
  14             walk::filter_dirs(path)
  15                 // We exempt these as they require the placeholder
  16                 // for their operation
  17                 || path.ends_with("compiler/rustc_attr/src/builtin.rs")
  18                 || path.ends_with("src/tools/tidy/src/features/version.rs")
  19                 || path.ends_with("src/tools/replace-version-placeholder")
  20         },
  21         &mut |entry, contents| {
  22             if !contents.contains(VERSION_PLACEHOLDER) {
  23                 return;
  24             }
  25             let new_contents = contents.replace(VERSION_PLACEHOLDER, version_str);
  26             let path = entry.path();
  27             t!(std::fs::write(&path, new_contents), path);
  28         },
  29     );
  30 }