---

yaml
---
r: 274078
b: refs/heads/beta
c: 9f79150
h: refs/heads/master

Author: alexcrichton

[refs]

@@ -23,7 +23,7 @@ refs/tags/0.9: 36870b185fc5f5486636d4515f0e22677493f225
 refs/tags/0.10: ac33f2b15782272ae348dbd7b14b8257b2148b5a
 refs/tags/0.11.0: e1247cb1d0d681be034adb4b558b5a0c0d5720f9
 refs/tags/0.12.0: f0c419429ef30723ceaf6b42f9b5a2aeb5d2e2d1
-refs/heads/beta: b622c3e0856767d8e53cf141e2e0a7b6d72a198b
+refs/heads/beta: 9f7915093930f21c109ce3f83324d968ac29caba
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
 refs/heads/tmp: e06d2ad9fcd5027bcaac5b08fc9aa39a49d0ecd3
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f

branches/beta/src/bootstrap/Cargo.lock

@@ -31,3 +31,4 @@ winapi = "0.2"
 kernel32-sys = "0.2"
 gcc = "0.3.17"
 libc = "0.2"
+md5 = "0.1"

branches/beta/src/bootstrap/Cargo.toml

@@ -8,15 +8,15 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+use std::env;
 use std::fs::{self, File};
 use std::io::prelude::*;
-use std::path::Path;
 use std::process::Command;
 
 use build_helper::output;
+use md5;
 
 use build::Build;
-use build::util::mtime;
 
 pub fn collect(build: &mut Build) {
     let mut main_mk = String::new();
@@ -80,7 +80,8 @@ pub fn collect(build: &mut Build) {
         build.short_ver_hash = Some(short_ver_hash);
     }
 
-    build.bootstrap_key = mtime(Path::new("config.toml")).seconds()
-                                                        .to_string();
+    let key = md5::compute(build.release.as_bytes());
+    build.bootstrap_key = format!("{:02x}{:02x}{:02x}{:02x}",
+                                  key[0], key[1], key[2], key[3]);
+    env::set_var("RUSTC_BOOTSTRAP_KEY", &build.bootstrap_key);
 }
-

branches/beta/src/bootstrap/build/channel.rs

@@ -20,6 +20,7 @@ extern crate libc;
 extern crate num_cpus;
 extern crate rustc_serialize;
 extern crate toml;
+extern crate md5;
 
 use std::env;