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Apply RUSTC_WRAPPER and RUSTC_WORKSPACE_WRAPPER

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This commit is contained in:
David Tolnay 2024-03-29 12:57:46 -07:00
parent f08dec1910
commit f3b97bf103
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GPG key ID: F9BA143B95FF6D82
1 changed files with 11 additions and 1 deletions
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12
src/main.rs
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@ -39,6 +39,7 @@ use std::env;
use std::error::Error as StdError;
use std::ffi::OsString;
use std::io::{self, BufRead, IsTerminal, Write};
use std::iter;
use std::panic::{self, PanicInfo, UnwindSafe};
use std::path::{Path, PathBuf};
use std::process::{self, Command, Stdio};
@ -437,7 +438,16 @@ fn needs_rustc_bootstrap() -> bool {
sysroot.join("bin").join("rustc")
};
let mut cmd = Command::new(rustc);
let rustc_wrapper = env::var_os("RUSTC_WRAPPER").filter(|wrapper| !wrapper.is_empty());
let rustc_workspace_wrapper =
env::var_os("RUSTC_WORKSPACE_WRAPPER").filter(|wrapper| !wrapper.is_empty());
let mut wrapped_rustc = rustc_wrapper
.into_iter()
.chain(rustc_workspace_wrapper)
.chain(iter::once(rustc.into_os_string()));
let mut cmd = Command::new(wrapped_rustc.next().unwrap());
cmd.args(wrapped_rustc);
cmd.arg("-Zunpretty=expanded");
cmd.arg("-");
cmd.stdin(Stdio::null());