chur-build 0.3.0

A wrapper around tonic-build which adds dependencies
Documentation 
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use crate::{
    defined_constants::{
        DEPENDENCY_INCLUDE_DIR, GENERATED_DESCRIPTORS_FILE, GENERATED_SOURCES_DIR,
    },
    error::ChurResult,
    manifest::Manifest,
    Config,
};

pub fn execute(cfg: Config) -> ChurResult<()> {
    let mut manifest = Manifest::load().unwrap_or_default();

    // include dir relative to DEPENDENCY_INCLUDE_DIR
    let mut additional_include_dirs = vec![];

    for dep in cfg.dependencies {
        if let Some(hash) = manifest.get_cached_dep_from_url(&dep.url) {
            additional_include_dirs.push(format!("{hash}/{}", dep.subdir.unwrap_or_default()));
        } else {
            let hash = dep.fetch()?;
            manifest.register_cached_manifest(dep.url, &hash);
            additional_include_dirs.push(format!("{hash}/{}", dep.subdir.unwrap_or_default()));
        }
    }

    manifest.save()?;

    let mut include_dirs = vec![cfg.root_dir];

    let mut builder = tonic_build::configure().out_dir(GENERATED_SOURCES_DIR.as_path());

    for dir in additional_include_dirs {
        include_dirs.push(DEPENDENCY_INCLUDE_DIR.join(dir));
    }

    if cfg.file_descriptors {
        builder = builder.file_descriptor_set_path(GENERATED_DESCRIPTORS_FILE.as_path())
    }

    builder.compile(&cfg.protos, &include_dirs)?;

    Ok(())
}