synckit-core 0.3.0

High-performance sync engine for local-first applications
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

// Build script to generate Rust code from Protocol Buffers
// Only runs when prost feature is enabled (for core, not core-lite)

fn main() -> Result<(), Box<dyn std::error::Error>> {
    // Only compile protobufs if prost feature is enabled
    #[cfg(feature = "prost")]
    {
        // Set up vendored protoc
        std::env::set_var("PROTOC", protoc_bin_vendored::protoc_bin_path().unwrap());

        // Get the proto file paths
        let proto_files = vec![
            "../protocol/specs/types.proto",
            "../protocol/specs/messages.proto",
            "../protocol/specs/sync.proto",
        ];

        // Configure prost to generate code
        prost_build::Config::new()
            // Output directory for generated code
            .out_dir("src/protocol/gen")
            // Generate serde Serialize/Deserialize implementations
            .type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
            // Compile the proto files
            .compile_protos(&proto_files, &["../protocol/specs/"])?;

        // Tell cargo to recompile if proto files change
        for proto in &proto_files {
            println!("cargo:rerun-if-changed={}", proto);
        }
    }

    Ok(())
}