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Add sysroot gettinh code to dogfood tests.

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O01eg 2018-12-06 13:21:45 +03:00
parent 571d4cc7bf
commit 5113de90d1
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1 changed files with 27 additions and 0 deletions
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27
tests/dogfood.rs
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@ -7,6 +7,31 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::path::PathBuf;
use std::process::Command;
fn rustc_sysroot_path() -> PathBuf {
option_env!("SYSROOT")
.map(String::from)
.or_else(|| std::env::var("SYSROOT").ok())
.or_else(|| {
let home = option_env!("RUSTUP_HOME").or(option_env!("MULTIRUST_HOME"));
let toolchain = option_env!("RUSTUP_TOOLCHAIN").or(option_env!("MULTIRUST_TOOLCHAIN"));
home.and_then(|home| toolchain.map(|toolchain| format!("{}/toolchains/{}", home, toolchain)))
})
.or_else(|| {
Command::new("rustc")
.arg("--print")
.arg("sysroot")
.output()
.ok()
.and_then(|out| String::from_utf8(out.stdout).ok())
.map(|s| s.trim().to_owned())
})
.expect("need to specify SYSROOT env var during clippy compilation, or use rustup or multirust")
.into()
}
#[test]
fn dogfood() {
if option_env!("RUSTC_TEST_SUITE").is_some() || cfg!(windows) {
@ -21,6 +46,7 @@ fn dogfood() {
let output = std::process::Command::new(clippy_cmd)
.current_dir(root_dir)
.env("CLIPPY_DOGFOOD", "1")
.env("RUSTFLAGS", format!("--sysroot {}", rustc_sysroot_path().display()))
.arg("clippy")
.arg("--all-targets")
.arg("--all-features")
@ -59,6 +85,7 @@ fn dogfood_tests() {
let output = std::process::Command::new(&clippy_cmd)
.current_dir(root_dir.join(d))
.env("CLIPPY_DOGFOOD", "1")
.env("RUSTFLAGS", format!("--sysroot {}", rustc_sysroot_path().display()))
.arg("clippy")
.arg("--")
.args(&["-D", "clippy::all"])