Function create_project

crates/cargo-lambda-new/src/lib.rs:218–308

(
    path: T,
    template_path: &Path,
    template_config: &TemplateConfig,
    globals: &Object,
    render_files: &[PathBuf],
    ignore_files: &[PathBuf],
    replace: bool,
)

#[tracing::instrument(target = "cargo_lambda")]
async fn create_project<T: AsRef<Path> + Debug>(
    path: T,
    template_path: &Path,
    template_config: &TemplateConfig,
    globals: &Object,
    render_files: &[PathBuf],
    ignore_files: &[PathBuf],
    replace: bool,
) -> Result<()> {
    tracing::trace!("rendering new project's template");

    let parser = ParserBuilder::with_stdlib().build().into_diagnostic()?;

    let render_dir = tempfile::tempdir().into_diagnostic()?;
    let render_path = render_dir.path();

    let walk_dir = WalkDir::new(template_path).follow_links(false);
    for entry in walk_dir {
        let entry = entry.into_diagnostic()?;
        let entry_path = entry.path();

        let entry_name = entry_path
            .file_name()
            .ok_or_else(|| CreateError::InvalidTemplateEntry(entry_path.to_path_buf()))?;

        if entry_path.is_dir() {
            if entry_name != ".git" {
                create_dir_all(entry_path)
                    .into_diagnostic()
                    .wrap_err_with(|| format!("unable to create directory: {entry_path:?}"))?;
            }
        } else if entry_name == "cargo-lambda-template.zip" {
            continue;
        } else {
            let relative = entry_path.strip_prefix(template_path).into_diagnostic()?;

            if should_ignore_file(relative, ignore_files, template_config, globals) {
                continue;
            }

            let mut new_path = render_path.join(relative);
            if let Some(path) = render_path_with_variables(&new_path, &parser, globals) {
                new_path = path;
            }

            let parent_name = if let Some(parent) = new_path.parent() {
                create_dir_all(parent).into_diagnostic()?;
                parent.file_name().and_then(|p| p.to_str())
            } else {
                None
            };

            if entry_name == "Cargo.toml"
                || entry_name == "README.md"
                || (entry_name == "main.rs" && parent_name == Some("src"))
                || (entry_name == "lib.rs" && parent_name == Some("src"))
                || parent_name == Some("bin")
                || should_render_file(relative, render_files, template_config, globals)