30 lines
683 B
Rust
30 lines
683 B
Rust
use std::process::{Command, ExitStatus, Stdio};
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fn has_cargo_expand() -> bool {
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let cargo_expand = if cfg!(windows) {
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"cargo-expand.exe"
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} else {
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"cargo-expand"
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};
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Command::new(cargo_expand)
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.arg("--version")
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.stdin(Stdio::null())
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.stdout(Stdio::null())
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.stderr(Stdio::null())
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.status()
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.as_ref()
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.map(ExitStatus::success)
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.unwrap_or(false)
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}
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fn has_rustfmt() -> bool {
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toolchain_find::find_installed_component("rustfmt").is_some()
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}
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fn main() {
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if cfg!(feature = "expandtest") && has_cargo_expand() && has_rustfmt() {
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println!("cargo:rustc-cfg=expandtest");
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}
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}
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