akd 0.7.7

An implementation of an auditable key directory
Documentation 
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// Copyright (c) Meta Platforms, Inc. and affiliates.
//
// This source code is licensed under both the MIT license found in the
// LICENSE-MIT file in the root directory of this source tree and the Apache
// License, Version 2.0 found in the LICENSE-APACHE file in the root directory
// of this source tree.

//! This is the pre-compilation build script for the crate akd. Mainly it's used to compile
//! protobuf files into rust code prior to compilation.

// NOTE: build.rs documentation = https://doc.rust-lang.org/cargo/reference/build-scripts.html

/// The list of protobuf files to generate
const PROTOBUF_FILES: [&str; 1] = ["src/proto/audit"];

fn build_protobuf(file: &str) {
    // Tell Cargo that if the given files change, rerun this build script
    let proto_file = format!("{}.proto", file);
    println!("cargo:rerun-if-changed={}.rs", file);
    println!("cargo:rerun-if-changed={}.proto", file);

    // compile the file
    protobuf_codegen::Codegen::new()
        // use protoc parser, (optional)
        .protoc()
        // Use `protoc-bin-vendored` bundled protoc command, optional.
        .protoc_path(&protoc_bin_vendored::protoc_bin_path().unwrap())
        // All inputs and imports from the inputs must reside in `includes` directories.
        .includes(&["src/proto"])
        // Inputs must reside in some of the include paths
        .input(&proto_file)
        // Specify output directory relative to Cargo output directory
        .cargo_out_dir("proto")
        .run_from_script();
}

fn build_protobufs() {
    for file in PROTOBUF_FILES.iter() {
        build_protobuf(file);
    }
}

fn main() {
    match std::env::var("CARGO_FEATURE_PROTOBUF") {
        Err(_) => {}
        _ => {
            // feature is present, compile the protobuf files
            build_protobufs();
        }
    }
}