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use std::path::PathBuf;
use std::process::Command;
use serde::Deserialize;
use crate::cache::INTERNER;
use crate::util::output;
use crate::{Build, Crate};
#[derive(Deserialize)]
struct Output {
packages: Vec<Package>,
}
#[derive(Deserialize)]
struct Package {
name: String,
source: Option<String>,
manifest_path: String,
dependencies: Vec<Dependency>,
}
#[derive(Deserialize)]
struct Dependency {
name: String,
source: Option<String>,
}
pub fn build(build: &mut Build) {
// Run `cargo metadata` to figure out what crates we're testing.
let mut cargo = Command::new(&build.initial_cargo);
cargo
.arg("metadata")
.arg("--format-version")
.arg("1")
.arg("--no-deps")
.arg("--manifest-path")
.arg(build.src.join("Cargo.toml"));
let output = output(&mut cargo);
let output: Output = serde_json::from_str(&output).unwrap();
for package in output.packages {
if package.source.is_none() {
let name = INTERNER.intern_string(package.name);
let mut path = PathBuf::from(package.manifest_path);
path.pop();
let deps = package
.dependencies
.into_iter()
.filter(|dep| dep.source.is_none())
.map(|dep| INTERNER.intern_string(dep.name))
.collect();
let krate = Crate { name, deps, path };
let relative_path = krate.local_path(build);
build.crates.insert(name, krate);
let existing_path = build.crate_paths.insert(relative_path, name);
assert!(existing_path.is_none(), "multiple crates with the same path");
}
}
}
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