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Build sys_root in driver with PathBuf instead of String

This commit is contained in:
flip1995 2019-07-12 14:13:15 +02:00
parent 6b8ebcc0c8
commit c100c70822
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GPG Key ID: 693086869D506637
1 changed files with 14 additions and 6 deletions
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20
src/driver.rs
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@ -12,7 +12,7 @@ extern crate rustc_plugin;
use rustc_interface::interface;
use rustc_tools_util::*;
use std::path::Path;
use std::path::{Path, PathBuf};
use std::process::{exit, Command};
mod lintlist;
@ -270,12 +270,19 @@ pub fn main() {
let sys_root_arg = arg_value(&orig_args, "--sysroot", |_| true);
let have_sys_root_arg = sys_root_arg.is_some();
let sys_root = sys_root_arg
.map(std::string::ToString::to_string)
.or_else(|| std::env::var("SYSROOT").ok())
.map(PathBuf::from)
.or_else(|| std::env::var("SYSROOT").ok().map(PathBuf::from))
.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)))
home.and_then(|home| {
toolchain.map(|toolchain| {
let mut path = PathBuf::from(home);
path.push("toolchains");
path.push(toolchain);
path
})
})
})
.or_else(|| {
Command::new("rustc")
@ -284,9 +291,10 @@ pub fn main() {
.output()
.ok()
.and_then(|out| String::from_utf8(out.stdout).ok())
.map(|s| s.trim().to_owned())
.map(|s| PathBuf::from(s.trim()))
})
.or_else(|| option_env!("SYSROOT").map(String::from))
.or_else(|| option_env!("SYSROOT").map(PathBuf::from))
.map(|pb| pb.to_string_lossy().to_string())
.expect("need to specify SYSROOT env var during clippy compilation, or use rustup or multirust");
// Setting RUSTC_WRAPPER causes Cargo to pass 'rustc' as the first argument.