1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
//! Build configuration for Rust's release channels.
//!
//! Implements the stable/beta/nightly channel distinctions by setting various
//! flags like the `unstable_features`, calculating variables like `release` and
//! `package_vers`, and otherwise indicating to the compiler what it should
//! print out as part of its version information.
use std::fs::{self, File};
use std::io::prelude::*;
use std::process::Command;
use build_helper::output;
use md5;
use Build;
pub fn collect(build: &mut Build) {
// Currently the canonical source for the release number (e.g. 1.10.0) and
// the prerelease version (e.g. `.1`) is in `mk/main.mk`. We "parse" that
// here to learn about those numbers.
let mut main_mk = String::new();
t!(t!(File::open(build.src.join("mk/main.mk"))).read_to_string(&mut main_mk));
let mut release_num = "";
let mut prerelease_version = "";
for line in main_mk.lines() {
if line.starts_with("CFG_RELEASE_NUM") {
release_num = line.split('=').skip(1).next().unwrap().trim();
}
if line.starts_with("CFG_PRERELEASE_VERSION") {
prerelease_version = line.split('=').skip(1).next().unwrap().trim();
}
}
// Depending on the channel, passed in `./configure --release-channel`,
// determine various properties of the build.
match &build.config.channel[..] {
"stable" => {
build.release = release_num.to_string();
build.package_vers = build.release.clone();
build.unstable_features = false;
}
"beta" => {
build.release = format!("{}-beta{}", release_num,
prerelease_version);
build.package_vers = "beta".to_string();
build.unstable_features = false;
}
"nightly" => {
build.release = format!("{}-nightly", release_num);
build.package_vers = "nightly".to_string();
build.unstable_features = true;
}
_ => {
build.release = format!("{}-dev", release_num);
build.package_vers = build.release.clone();
build.unstable_features = true;
}
}
build.version = build.release.clone();
// If we have a git directory, add in some various SHA information of what
// commit this compiler was compiled from.
if fs::metadata(build.src.join(".git")).is_ok() {
let ver_date = output(Command::new("git").current_dir(&build.src)
.arg("log").arg("-1")
.arg("--date=short")
.arg("--pretty=format:%cd"));
let ver_hash = output(Command::new("git").current_dir(&build.src)
.arg("rev-parse").arg("HEAD"));
let short_ver_hash = output(Command::new("git")
.current_dir(&build.src)
.arg("rev-parse")
.arg("--short=9")
.arg("HEAD"));
let ver_date = ver_date.trim().to_string();
let ver_hash = ver_hash.trim().to_string();
let short_ver_hash = short_ver_hash.trim().to_string();
build.version.push_str(&format!(" ({} {})", short_ver_hash,
ver_date));
build.ver_date = Some(ver_date.to_string());
build.ver_hash = Some(ver_hash);
build.short_ver_hash = Some(short_ver_hash);
}
// Calculate this compiler's bootstrap key, which is currently defined as
// the first 8 characters of the md5 of the release 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]);
// Slurp up the stage0 bootstrap key as we're bootstrapping from an
// otherwise stable compiler.
let mut s = String::new();
t!(t!(File::open(build.src.join("src/stage0.txt"))).read_to_string(&mut s));
if let Some(line) = s.lines().find(|l| l.starts_with("rustc_key")) {
if let Some(key) = line.split(": ").nth(1) {
build.bootstrap_key_stage0 = key.to_string();
}
}
}
|
