src/bootstrap/build/channel.rs

   1 // Copyright 2015 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::env;
  12 use std::fs::{self, File};
  13 use std::io::prelude::*;
  14 use std::process::Command;
  15
  16 use build_helper::output;
  17 use md5;
  18
  19 use build::Build;
  20
  21 pub fn collect(build: &mut Build) {
  22     let mut main_mk = String::new();
  23     t!(t!(File::open(build.src.join("mk/main.mk"))).read_to_string(&mut main_mk));
  24     let mut release_num = "";
  25     let mut prerelease_version = "";
  26     for line in main_mk.lines() {
  27         if line.starts_with("CFG_RELEASE_NUM") {
  28             release_num = line.split('=').skip(1).next().unwrap().trim();
  29         }
  30         if line.starts_with("CFG_PRERELEASE_VERSION") {
  31             prerelease_version = line.split('=').skip(1).next().unwrap().trim();
  32         }
  33     }
  34
  35     // FIXME: this is duplicating makefile logic
  36     match &build.config.channel[..] {
  37         "stable" => {
  38             build.release = release_num.to_string();
  39             build.package_vers = build.release.clone();
  40             build.unstable_features = false;
  41         }
  42         "beta" => {
  43             build.release = format!("{}-beta{}", release_num,
  44                                    prerelease_version);
  45             build.package_vers = "beta".to_string();
  46             build.unstable_features = false;
  47         }
  48         "nightly" => {
  49             build.release = format!("{}-nightly", release_num);
  50             build.package_vers = "nightly".to_string();
  51             build.unstable_features = true;
  52         }
  53         _ => {
  54             build.release = format!("{}-dev", release_num);
  55             build.package_vers = build.release.clone();
  56             build.unstable_features = true;
  57         }
  58     }
  59     build.version = build.release.clone();
  60
  61     if fs::metadata(build.src.join(".git")).is_ok() {
  62         let ver_date = output(Command::new("git").current_dir(&build.src)
  63                                       .arg("log").arg("-1")
  64                                       .arg("--date=short")
  65                                       .arg("--pretty=format:%cd"));
  66         let ver_hash = output(Command::new("git").current_dir(&build.src)
  67                                       .arg("rev-parse").arg("HEAD"));
  68         let short_ver_hash = output(Command::new("git")
  69                                             .current_dir(&build.src)
  70                                             .arg("rev-parse")
  71                                             .arg("--short=9")
  72                                             .arg("HEAD"));
  73         let ver_date = ver_date.trim().to_string();
  74         let ver_hash = ver_hash.trim().to_string();
  75         let short_ver_hash = short_ver_hash.trim().to_string();
  76         build.version.push_str(&format!(" ({} {})", short_ver_hash,
  77                                        ver_date));
  78         build.ver_date = Some(ver_date.to_string());
  79         build.ver_hash = Some(ver_hash);
  80         build.short_ver_hash = Some(short_ver_hash);
  81     }
  82
  83     let key = md5::compute(build.release.as_bytes());
  84     build.bootstrap_key = format!("{:02x}{:02x}{:02x}{:02x}",
  85                                   key[0], key[1], key[2], key[3]);
  86     env::set_var("RUSTC_BOOTSTRAP_KEY", &build.bootstrap_key);
  87 }