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.
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.
11 use std::collections::HashMap;
12 use std::process::Command;
13 use std::path::PathBuf;
15 use build_helper::output;
16 use rustc_serialize::json;
20 #[derive(RustcDecodable)]
22 packages: Vec<Package>,
26 #[derive(RustcDecodable)]
31 source: Option<String>,
32 manifest_path: String,
35 #[derive(RustcDecodable)]
37 nodes: Vec<ResolveNode>,
40 #[derive(RustcDecodable)]
43 dependencies: Vec<String>,
46 pub fn build(build: &mut Build) {
47 build_krate(build, "src/libstd");
48 build_krate(build, "src/libtest");
49 build_krate(build, "src/rustc");
52 fn build_krate(build: &mut Build, krate: &str) {
53 // Run `cargo metadata` to figure out what crates we're testing.
55 // Down below we're going to call `cargo test`, but to test the right set
56 // of packages we're going to have to know what `-p` arguments to pass it
57 // to know what crates to test. Here we run `cargo metadata` to learn about
58 // the dependency graph and what `-p` arguments there are.
59 let mut cargo = Command::new(&build.cargo);
61 .arg("--manifest-path").arg(build.src.join(krate).join("Cargo.toml"));
62 let output = output(&mut cargo);
63 let output: Output = json::decode(&output).unwrap();
64 let mut id2name = HashMap::new();
65 for package in output.packages {
66 if package.source.is_none() {
67 id2name.insert(package.id, package.name.clone());
68 let mut path = PathBuf::from(package.manifest_path);
70 build.crates.insert(package.name.clone(), Crate {
71 build_step: format!("build-crate-{}", package.name),
72 doc_step: format!("doc-crate-{}", package.name),
73 test_step: format!("test-crate-{}", package.name),
74 bench_step: format!("bench-crate-{}", package.name),
76 version: package.version,
83 for node in output.resolve.nodes {
84 let name = match id2name.get(&node.id) {
89 let krate = build.crates.get_mut(name).unwrap();
90 for dep in node.dependencies.iter() {
91 let dep = match id2name.get(dep) {
95 krate.deps.push(dep.clone());