Function impl_package

crates/xtask/src/xtask.rs:452–491

(sh: &Shell)

#[context("Packaging")]
fn impl_package(sh: &Shell) -> Result<Package> {
    let source_date_epoch = git_source_date_epoch(".".into())?;
    let v = gitrev(sh)?;

    let namev = format!("{NAME}-{v}");
    let p = Utf8Path::new("target").join(format!("{namev}.tar"));
    let prefix = format!("{namev}/");
    cmd!(sh, "git archive --format=tar --prefix={prefix} -o {p} HEAD").run()?;
    // Generate the vendor directory now, as we want to embed the generated config to use
    // it in our source.
    let vendorpath = Utf8Path::new("target").join(format!("{namev}-vendor.tar.zstd"));
    let vendor_config = cmd!(
        sh,
        "cargo vendor-filterer --prefix=vendor --format=tar.zstd {vendorpath}"
    )
    .read()?;
    let vendor_config = edit_vendor_config(&vendor_config)?;
    // Append .cargo/vendor-config.toml (a made up filename) into the tar archive.
    {
        let tmpdir = tempfile::tempdir_in("target")?;
        let tmpdir_path = tmpdir.path();
        let path = tmpdir_path.join("vendor-config.toml");
        std::fs::write(&path, vendor_config)?;
        let source_date_epoch = format!("{source_date_epoch}");
        cmd!(
            sh,
            "tar -r -C {tmpdir_path} {TAR_REPRODUCIBLE_OPTS...} --mtime=@{source_date_epoch} --transform=s,^,{prefix}.cargo/, -f {p} vendor-config.toml"
        )
        .run()?;
    }
    // Compress with zstd
    let srcpath: Utf8PathBuf = format!("{p}.zstd").into();
    cmd!(sh, "zstd --rm -f {p} -o {srcpath}").run()?;

    Ok(Package {
        version: v,
        srcpath,
        vendorpath,
    })
}

fn package(sh: &Shell) -> Result<()> {
    let p = impl_package(sh)?.srcpath;