paper-age 1.5.0

#[cfg(feature = "cli")]
use clap::CommandFactory;
#[cfg(feature = "cli")]
use clap_complete::{generate_to, shells::Shell};
#[cfg(feature = "cli")]
use path_absolutize::*;

#[cfg(feature = "cli")]
#[path = "src/cli.rs"]
mod cli;

#[cfg(feature = "cli")]
#[path = "src/page.rs"]
pub mod page;

fn main() -> std::io::Result<()> {
    #[cfg(feature = "cli")]
    {
        let out_dir = std::path::PathBuf::from(
            std::env::var_os("OUT_DIR").ok_or(std::io::ErrorKind::NotFound)?,
        );
        let mut cmd = cli::Args::command();

        let man = clap_mangen::Man::new(cmd.clone());
        let mut buffer: Vec<u8> = Default::default();
        man.render(&mut buffer)?;

        // Create a man directory at the same level as the binary, even though build
        // scripts shouldn't
        let man_dir = &out_dir.join("../../../man");
        let absolute_man_dir = man_dir.absolutize()?;
        std::fs::create_dir_all(&absolute_man_dir)?;
        let man_path = absolute_man_dir.join("paper-age.1");
        std::fs::write(man_path, buffer)?;

        // Create a completion directory the same level as the binary
        let completion_dir = out_dir.join("../../../completion");
        let absolute_completion_dir = completion_dir.absolutize()?;
        std::fs::create_dir_all(absolute_completion_dir.clone())?;
        for shell in [Shell::Bash, Shell::Fish, Shell::Zsh] {
            generate_to(
                shell,
                &mut cmd,
                "paper-age",
                absolute_completion_dir.as_ref(),
            )?;
        }

        // Re-run if the cli or page files change
        println!("cargo:rerun-if-changed=src/cli.rs");
        println!("cargo:rerun-if-changed=src/page.rs");
    }

    Ok(())
}