src/bootstrap/rustdoc.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 //! Shim which is passed to Cargo as "rustdoc" when running the bootstrap.
  12 //!
  13 //! See comments in `src/bootstrap/rustc.rs` for more information.
  14
  15 use std::env;
  16 use std::process::Command;
  17
  18 fn main() {
  19     let args = env::args_os().skip(1).collect::<Vec<_>>();
  20     let rustdoc = env::var_os("RUSTDOC_REAL").unwrap();
  21
  22     let mut cmd = Command::new(rustdoc);
  23     cmd.args(&args)
  24        .arg("--cfg").arg(format!("stage{}", env::var("RUSTC_STAGE").unwrap()))
  25        .arg("--cfg").arg("dox");
  26     std::process::exit(match cmd.status() {
  27         Ok(s) => s.code().unwrap_or(1),
  28         Err(e) => panic!("\n\nfailed to run {:?}: {}\n\n", cmd, e),
  29     })
  30 }
  31