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use std::fmt::{Display, Formatter, Result};
use serde::{Deserialize, Serialize};
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]
#[serde(transparent)]
pub struct TargetTriple(String);
impl TargetTriple {
#[cfg(test)]
pub fn from_bazel(bazel: String) -> Self {
Self(bazel)
}
pub fn to_bazel(&self) -> String {
self.0.clone()
}
pub fn to_cargo(&self) -> String {
// While Bazel is NixOS aware (via `@platforms//os:nixos`), `rustc`
// is not, so any target triples for `nixos` get remapped to `linux`
// for the purposes of determining `cargo metadata`, resolving `cfg`
// targets, etc.
self.0.replace("nixos", "linux")
}
}
impl Display for TargetTriple {
fn fmt(&self, f: &mut Formatter<'_>) -> Result {
let bazel = self.to_bazel();
let cargo = self.to_cargo();
match bazel == cargo {
true => write!(f, "{}", bazel),
false => write!(f, "{} (cargo: {})", bazel, cargo),
}
}
}
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