nextest-runner 0.35.0

// Copyright (c) The nextest Contributors
// SPDX-License-Identifier: MIT OR Apache-2.0

//! Platform-related data structures.

use crate::{cargo_config::TargetTriple, errors::UnknownHostPlatform};
pub use target_spec::Platform;

/// A representation of host and target platforms.
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct BuildPlatforms {
    /// The host platform.
    pub host: Platform,

    /// The target platform, if specified.
    ///
    /// In the future, this will become a list of target triples once multiple `--target` arguments
    /// are supported.
    pub target: Option<TargetTriple>,
}

impl BuildPlatforms {
    /// Creates a new `BuildPlatform`.
    ///
    /// Returns an error if the host platform could not be determined.
    pub fn new(target: Option<TargetTriple>) -> Result<Self, UnknownHostPlatform> {
        let host = Platform::current().map_err(|error| UnknownHostPlatform { error })?;
        Ok(Self { host, target })
    }

    /// Creates a new `BuildPlatform` where the host is specified.
    ///
    /// This is intended for testing situations. Most users should call [`Self::new`] instead.
    pub fn new_with_host(host: Platform, target: Option<TargetTriple>) -> Self {
        Self { host, target }
    }
}