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test: Add test for issue-14194
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‎tests/testsuite/build.rs

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@@ -2147,6 +2147,90 @@ fn crate_library_path_env_var() {
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setenv_for_removing_empty_component(p.cargo("run")).run();
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}
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// See https://github.com/rust-lang/cargo/issues/14194
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#[cargo_test]
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fn issue_14194_deduplicate_library_path_env_var() {
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let p = project()
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.file(
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"src/main.rs",
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&format!(
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r#"
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use std::process::Command;
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fn main() {{
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println!("{{}}", std::env::var("{}").unwrap_or_default());
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let level: i32 = std::env!("LEVEL").to_string().parse().unwrap();
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if level == 0 {{
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return;
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}}
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let _ = Command::new(std::env!("CARGO"))
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.arg("run")
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.env("LEVEL", (level - 1).to_string())
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.status()
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.unwrap();
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}}
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"#,
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dylib_path_envvar()
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),
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)
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.file(
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"build.rs",
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&format!(
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r#"
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fn main() {{
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println!("cargo::rerun-if-env-changed={}");
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}}
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"#,
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dylib_path_envvar()
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),
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)
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.build();
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setenv_for_removing_empty_component(p.cargo("run"))
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.env("LEVEL", 2.to_string())
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.with_stdout_data(str![[r#"
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[ROOT]/foo/target/debug/deps:[ROOT]/foo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:/root/workspace/cargo/target/debug/build/curl-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/build/libgit2-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/build/libnghttp2-sys-[HASH]/out/i/lib:/root/workspace/cargo/target/debug/build/libsqlite3-sys-[HASH]/out:/root/workspace/cargo/target/debug/build/libssh2-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/deps:/root/workspace/cargo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib
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[ROOT]/foo/target/debug/deps:[ROOT]/foo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:[ROOT]/foo/target/debug/deps:[ROOT]/foo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:/root/workspace/cargo/target/debug/build/curl-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/build/libgit2-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/build/libnghttp2-sys-[HASH]/out/i/lib:/root/workspace/cargo/target/debug/build/libsqlite3-sys-[HASH]/out:/root/workspace/cargo/target/debug/build/libssh2-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/deps:/root/workspace/cargo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib
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[ROOT]/foo/target/debug/deps:[ROOT]/foo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:[ROOT]/foo/target/debug/deps:[ROOT]/foo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:[ROOT]/foo/target/debug/deps:[ROOT]/foo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:/root/workspace/cargo/target/debug/build/curl-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/build/libgit2-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/build/libnghttp2-sys-[HASH]/out/i/lib:/root/workspace/cargo/target/debug/build/libsqlite3-sys-[HASH]/out:/root/workspace/cargo/target/debug/build/libssh2-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/deps:/root/workspace/cargo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib
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"#]])
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.with_stderr_data(str![[r#"
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[COMPILING] foo v0.0.1 ([ROOT]/foo)
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[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
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[RUNNING] `target/debug/foo`
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[COMPILING] foo v0.0.1 ([ROOT]/foo)
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[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
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[RUNNING] `target/debug/foo`
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[COMPILING] foo v0.0.1 ([ROOT]/foo)
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[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
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[RUNNING] `target/debug/foo`
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"#]])
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.run();
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setenv_for_removing_empty_component(p.cargo("run"))
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.env("LEVEL", 2.to_string())
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.with_stdout_data(str![[r#"
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[ROOT]/foo/target/debug/deps:[ROOT]/foo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:/root/workspace/cargo/target/debug/build/curl-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/build/libgit2-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/build/libnghttp2-sys-[HASH]/out/i/lib:/root/workspace/cargo/target/debug/build/libsqlite3-sys-[HASH]/out:/root/workspace/cargo/target/debug/build/libssh2-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/deps:/root/workspace/cargo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib
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[ROOT]/foo/target/debug/deps:[ROOT]/foo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:[ROOT]/foo/target/debug/deps:[ROOT]/foo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:/root/workspace/cargo/target/debug/build/curl-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/build/libgit2-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/build/libnghttp2-sys-[HASH]/out/i/lib:/root/workspace/cargo/target/debug/build/libsqlite3-sys-[HASH]/out:/root/workspace/cargo/target/debug/build/libssh2-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/deps:/root/workspace/cargo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib
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[ROOT]/foo/target/debug/deps:[ROOT]/foo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:[ROOT]/foo/target/debug/deps:[ROOT]/foo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:[ROOT]/foo/target/debug/deps:[ROOT]/foo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:/root/workspace/cargo/target/debug/build/curl-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/build/libgit2-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/build/libnghttp2-sys-[HASH]/out/i/lib:/root/workspace/cargo/target/debug/build/libsqlite3-sys-[HASH]/out:/root/workspace/cargo/target/debug/build/libssh2-sys-[HASH]/out/build:/root/workspace/cargo/target/debug/deps:/root/workspace/cargo/target/debug:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib/rustlib/[HOST_TARGET]/lib:/root/.rustup/toolchains/nightly-[HOST_TARGET]/lib
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"#]])
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.with_stderr_data(str![[r#"
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[COMPILING] foo v0.0.1 ([ROOT]/foo)
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[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
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[RUNNING] `target/debug/foo`
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[COMPILING] foo v0.0.1 ([ROOT]/foo)
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[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
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[RUNNING] `target/debug/foo`
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[COMPILING] foo v0.0.1 ([ROOT]/foo)
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[FINISHED] `dev` profile [unoptimized + debuginfo] target(s) in [ELAPSED]s
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[RUNNING] `target/debug/foo`
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"#]])
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.run();
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}
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// Regression test for #4277
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#[cargo_test]
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fn build_with_fake_libc_not_loading() {

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