Function discover_control_file

xtask/src/extension_catalog.rs:1188–1225

(
    id: &str,
    sql_name: &str,
    repl_export: Option<&ReplExport>,
)

}

fn discover_control_file(
    id: &str,
    sql_name: &str,
    repl_export: Option<&ReplExport>,
) -> Option<PathBuf> {
    let candidates = if repl_export
        .map(|entry| entry.import_path.contains("/contrib/"))
        .unwrap_or(false)
    {
        let dashed_id = id.replace('_', "-");
        vec![
            Path::new(POSTGRES_CONTRIB)
                .join(id)
                .join(format!("{sql_name}.control")),
            Path::new(POSTGRES_CONTRIB)
                .join(id)
                .join(format!("{id}.control")),
            Path::new(POSTGRES_CONTRIB)
                .join(id)
                .join(format!("{dashed_id}.control")),
            Path::new(POSTGRES_CONTRIB)
                .join(&dashed_id)
                .join(format!("{sql_name}.control")),
            Path::new(POSTGRES_CONTRIB)
                .join(&dashed_id)
                .join(format!("{dashed_id}.control")),
        ]
    } else {
        vec![
            Path::new(&extension_source_dir_for(
                id,
                classify_source_kind(id, repl_export, None),
            ))
            .join(format!("{sql_name}.control")),
        ]
    };
    candidates.into_iter().find(|path| path.is_file())
}

fn parse_control_file(path: &Path) -> Result<ControlMetadata> {
    let text = fs::read_to_string(path).with_context(|| format!("read {}", path.display()))?;