src/bootstrap/install.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 //! Implementation of the install aspects of the compiler.
  12 //!
  13 //! This module is responsible for installing the standard library,
  14 //! compiler, and documentation.
  15
  16 use std::env;
  17 use std::fs;
  18 use std::path::{Path, PathBuf, Component};
  19 use std::process::Command;
  20
  21 use Build;
  22 use dist::{pkgname, sanitize_sh, tmpdir};
  23
  24 pub struct Installer<'a> {
  25     build: &'a Build,
  26     prefix: PathBuf,
  27     sysconfdir: PathBuf,
  28     docdir: PathBuf,
  29     bindir: PathBuf,
  30     libdir: PathBuf,
  31     mandir: PathBuf,
  32     empty_dir: PathBuf,
  33 }
  34
  35 impl<'a> Drop for Installer<'a> {
  36     fn drop(&mut self) {
  37         t!(fs::remove_dir_all(&self.empty_dir));
  38     }
  39 }
  40
  41 impl<'a> Installer<'a> {
  42     pub fn new(build: &'a Build) -> Installer<'a> {
  43         let prefix_default = PathBuf::from("/usr/local");
  44         let sysconfdir_default = PathBuf::from("/etc");
  45         let docdir_default = PathBuf::from("share/doc/rust");
  46         let bindir_default = PathBuf::from("bin");
  47         let libdir_default = PathBuf::from("lib");
  48         let mandir_default = PathBuf::from("share/man");
  49         let prefix = build.config.prefix.as_ref().unwrap_or(&prefix_default);
  50         let sysconfdir = build.config.sysconfdir.as_ref().unwrap_or(&sysconfdir_default);
  51         let docdir = build.config.docdir.as_ref().unwrap_or(&docdir_default);
  52         let bindir = build.config.bindir.as_ref().unwrap_or(&bindir_default);
  53         let libdir = build.config.libdir.as_ref().unwrap_or(&libdir_default);
  54         let mandir = build.config.mandir.as_ref().unwrap_or(&mandir_default);
  55
  56         let sysconfdir = prefix.join(sysconfdir);
  57         let docdir = prefix.join(docdir);
  58         let bindir = prefix.join(bindir);
  59         let libdir = prefix.join(libdir);
  60         let mandir = prefix.join(mandir);
  61
  62         let destdir = env::var_os("DESTDIR").map(PathBuf::from);
  63
  64         let prefix = add_destdir(&prefix, &destdir);
  65         let sysconfdir = add_destdir(&sysconfdir, &destdir);
  66         let docdir = add_destdir(&docdir, &destdir);
  67         let bindir = add_destdir(&bindir, &destdir);
  68         let libdir = add_destdir(&libdir, &destdir);
  69         let mandir = add_destdir(&mandir, &destdir);
  70
  71         let empty_dir = build.out.join("tmp/empty_dir");
  72
  73         t!(fs::create_dir_all(&empty_dir));
  74
  75         Installer {
  76             build,
  77             prefix,
  78             sysconfdir,
  79             docdir,
  80             bindir,
  81             libdir,
  82             mandir,
  83             empty_dir,
  84         }
  85     }
  86
  87     pub fn install_docs(&self, stage: u32, host: &str) {
  88         self.install_sh("docs", "rust-docs", stage, Some(host));
  89     }
  90
  91     pub fn install_std(&self, stage: u32) {
  92         for target in self.build.config.target.iter() {
  93             self.install_sh("std", "rust-std", stage, Some(target));
  94         }
  95     }
  96
  97     pub fn install_cargo(&self, stage: u32, host: &str) {
  98         self.install_sh("cargo", "cargo", stage, Some(host));
  99     }
 100
 101     pub fn install_rls(&self, stage: u32, host: &str) {
 102         self.install_sh("rls", "rls", stage, Some(host));
 103     }
 104
 105     pub fn install_analysis(&self, stage: u32, host: &str) {
 106         self.install_sh("analysis", "rust-analysis", stage, Some(host));
 107     }
 108
 109     pub fn install_src(&self, stage: u32) {
 110         self.install_sh("src", "rust-src", stage, None);
 111     }
 112     pub fn install_rustc(&self, stage: u32, host: &str) {
 113         self.install_sh("rustc", "rustc", stage, Some(host));
 114     }
 115
 116     fn install_sh(&self, package: &str, name: &str, stage: u32, host: Option<&str>) {
 117         println!("Install {} stage{} ({:?})", package, stage, host);
 118         let package_name = if let Some(host) = host {
 119             format!("{}-{}", pkgname(self.build, name), host)
 120         } else {
 121             pkgname(self.build, name)
 122         };
 123
 124         let mut cmd = Command::new("sh");
 125         cmd.current_dir(&self.empty_dir)
 126            .arg(sanitize_sh(&tmpdir(self.build).join(&package_name).join("install.sh")))
 127            .arg(format!("--prefix={}", sanitize_sh(&self.prefix)))
 128            .arg(format!("--sysconfdir={}", sanitize_sh(&self.sysconfdir)))
 129            .arg(format!("--docdir={}", sanitize_sh(&self.docdir)))
 130            .arg(format!("--bindir={}", sanitize_sh(&self.bindir)))
 131            .arg(format!("--libdir={}", sanitize_sh(&self.libdir)))
 132            .arg(format!("--mandir={}", sanitize_sh(&self.mandir)))
 133            .arg("--disable-ldconfig");
 134         self.build.run(&mut cmd);
 135     }
 136 }
 137
 138 fn add_destdir(path: &Path, destdir: &Option<PathBuf>) -> PathBuf {
 139     let mut ret = match *destdir {
 140         Some(ref dest) => dest.clone(),
 141         None => return path.to_path_buf(),
 142     };
 143     for part in path.components() {
 144         match part {
 145             Component::Normal(s) => ret.push(s),
 146             _ => {}
 147         }
 148     }
 149     ret
 150 }