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mod cache;
pub mod commands;
pub mod constants;
mod dir_monitor;
mod download;
mod os;
pub mod shim;
mod toolchain;
pub mod utils;

pub use anyhow::Result;
pub use structopt::StructOpt;
pub use thiserror::Error;

use git_testament::{git_testament, render_testament};
use lazy_static::lazy_static;

git_testament!(GIT_TESTAMENT);

fn git_version() -> &'static str {
    lazy_static! {
        static ref RENDERED: String = render_testament!(GIT_TESTAMENT);
    }
    &RENDERED
}

/// Control which Python toolchain to use on a directory basis.
#[derive(StructOpt, Debug)]
#[structopt(version = git_version())]
pub struct Opt {
    /// Verbose mode (-v, -vv, -vvv, etc.)
    #[structopt(short, long, parse(from_occurrences))]
    pub verbose: u8,

    #[structopt(subcommand)]
    pub subcommand: Option<commands::Command>,
}

#[cfg(test)]
pub mod tests {
    use std::env;

    // Version is reported as "unknown" in GitHub Actions.
    // See https://github.com/nbigaouette/hygeia/pull/90/checks?check_run_id=311900597
    #[test]
    #[ignore]
    fn version() {
        let crate_version = structopt::clap::crate_version!();

        // GIT_VERSION is of the shape `v0.1.7-1-g095d7f5-modified`

        // Strip out the `v` prefix
        let (v, git_version_without_v) = crate::git_version().split_at(1);

        println!("crate_version: {:?}", crate_version);
        println!("v: {}", v);
        println!("git_version_without_v: {}", git_version_without_v);

        assert_eq!(v, "v");
        assert!(git_version_without_v.starts_with(crate_version));
    }
}