git-disjoint 0.10.49

A tool to batch commits by issue into GitHub PRs
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use std::path::{Path, PathBuf};

use clap::{CommandFactory, ValueEnum};
use clap_complete::{generate_to, Shell};

#[path = "src/args.rs"]
mod args;

fn generate_man_pages(out_dir: &Path, command: clap::Command) -> std::io::Result<()> {
    let man = clap_mangen::Man::new(command);
    let mut buffer: Vec<u8> = Default::default();
    man.render(&mut buffer)?;

    std::fs::write(out_dir.join("git-disjoint.1"), buffer)?;
    Ok(())
}

fn generate_shell_completions(out_dir: &Path, mut command: clap::Command) -> std::io::Result<()> {
    Shell::value_variants()
        .into_iter()
        .map(|shell| {
            generate_to(*shell, &mut command, "git-disjoint", out_dir)?;
            Ok(())
        })
        .collect::<std::io::Result<_>>()?;
    Ok(())
}

fn main() -> std::io::Result<()> {
    println!("cargo:rerun-if-changed=Cargo.lock");
    println!("cargo:rerun-if-changed=build.rs");
    println!("cargo:rerun-if-changed=src/args.rs");

    let out_dir =
        PathBuf::from(std::env::var_os("OUT_DIR").ok_or_else(|| std::io::ErrorKind::NotFound)?);
    let command = args::Args::command();

    generate_man_pages(&out_dir, command.clone())?;
    generate_shell_completions(&out_dir, command.clone())?;

    Ok(())
}