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Print environment variables for build script executions with -vv #12829

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Merged
merged 1 commit into from
Oct 18, 2023
Merged

Print environment variables for build script executions with -vv #12829

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4 changes: 4 additions & 0 deletions src/cargo/core/compiler/custom_build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -353,6 +353,10 @@ fn build_work(cx: &mut Context<'_, '_>, unit: &Unit) -> CargoResult<Job> {
);
cmd.env_remove("RUSTFLAGS");

if cx.bcx.ws.config().extra_verbose() {
cmd.display_env_vars();
}

// Gather the set of native dependencies that this package has along with
// some other variables to close over.
//
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16 changes: 16 additions & 0 deletions tests/testsuite/build_script_env.rs
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Expand Up @@ -180,6 +180,22 @@ fn rustc_bootstrap() {
.run();
}

#[cargo_test]
fn build_script_env_verbose() {
let build_rs = r#"
fn main() {}
"#;
let p = project()
.file("Cargo.toml", &basic_manifest("verbose-build", "0.0.1"))
.file("src/lib.rs", "")
.file("build.rs", build_rs)
.build();

p.cargo("check -vv")
.with_stderr_contains("[RUNNING] `[..]CARGO=[..]build-script-build`")
.run();
}

#[cargo_test]
#[cfg(target_arch = "x86_64")]
fn build_script_sees_cfg_target_feature() {
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