smidr 0.1.0

A cargo-inspired build tool for C projects, meant to bridge dependencies across different build systems into a single build
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// SPDX-License-Identifier: MIT OR Apache-2.0
// Copyright (c) 2026 Max-Mend
// This file is part of smidr: https://github.com/Max-Mend/smidr

//! [`DepBuilder`] implementation for Meson-based dependencies.

use super::{collect_from_prefix, run, BuildOutput, DepBuilder};
use crate::error::Result;
use std::path::Path;
use std::process::Command;

/// Builds a dependency via `meson` (setup, compile, install).
pub struct MesonBuilder;

impl DepBuilder for MesonBuilder {
    /// Detects Meson by the presence of `meson.build`.
    fn detect(src_dir: &Path) -> bool {
        src_dir.join("meson.build").exists()
    }

    fn name(&self) -> &'static str {
        "meson"
    }

    /// Runs the standard three-step Meson flow: setup a release build
    /// into `build/` with `--prefix` set to `prefix`, compile, install.
    fn build(&self, src_dir: &Path, prefix: &Path) -> Result<BuildOutput> {
        // 1. Set up the build directory with the desired prefix.
        run(Command::new("meson")
            .args(["setup", "build"])
            .arg(format!("--prefix={}", prefix.display()))
            .arg("--buildtype=release")
            .current_dir(src_dir))?;

        // 2. Compile.
        run(Command::new("meson")
            .args(["compile", "-C", "build"])
            .current_dir(src_dir))?;

        // 3. Install into prefix.
        run(Command::new("meson")
            .args(["install", "-C", "build"])
            .current_dir(src_dir))?;

        Ok(collect_from_prefix(prefix))
    }
}