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Disregard empty RUSTC_WRAPPER

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David Tolnay 2024-04-19 12:05:07 -07:00
parent 7b08e5a828
commit 9aa2edac49
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1 changed files with 2 additions and 1 deletions
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src/main.rs
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@ -177,7 +177,8 @@ fn do_cargo_expand() -> Result<i32> {
if needs_rustc_bootstrap() {
if let Ok(current_exe) = env::current_exe() {
let original_wrapper = env::var_os("RUSTC_WRAPPER");
let original_wrapper =
env::var_os("RUSTC_WRAPPER").filter(|wrapper| !wrapper.is_empty());
let wrapper = original_wrapper.as_deref().unwrap_or(OsStr::new("/"));
cmd.env(CARGO_EXPAND_RUSTC_WRAPPER, wrapper);
cmd.env("RUSTC_WRAPPER", current_exe);