osoy 0.5.1

Command-line git repository manager
Documentation 
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use crate::{link, repo, Config, Exec, Location};
use structopt::StructOpt;

#[derive(StructOpt, Debug)]
#[structopt(alias = "ln", about = "Create symbolic links for executables")]
pub struct Opt {
    #[structopt(short, long, help = "Use regular expressions")]
    pub regex: bool,
    #[structopt(short, long, help = "Do not prompt")]
    pub force: bool,
    #[structopt(short, long, help = "Show detailed output")]
    pub verbose: bool,
    #[structopt(required = true, min_values = 1, help = Location::about())]
    pub targets: Vec<Location>,
}

impl Exec for Opt {
    fn exec(self, config: Config) -> i32 {
        let mut errors = 0;

        match repo::iterate_matching_exists(&config.src, self.targets, self.regex) {
            Ok(iter) => {
                for path in iter {
                    if let Ok(exe_iter) = link::executables(&path) {
                        for exe in exe_iter.filter(|exe| {
                            link::link_path(&config.bin, exe)
                                .map(|sym| &link::deref_rec(&sym) != exe)
                                .unwrap_or(false)
                        }) {
                            let exe_display = exe.strip_prefix(&config.src).unwrap().display();
                            if self.force || ask_bool!("link '{}'?", exe_display) {
                                match link::create(&config.bin, &exe) {
                                    Ok(sym) => {
                                        if self.verbose {
                                            info!(
                                                "'{}' -> '{}'",
                                                sym.strip_prefix(&config.bin).unwrap().display(),
                                                exe_display
                                            );
                                        }
                                    }
                                    Err(err) => {
                                        errors += 1;
                                        info!("could not link '{}': {}", path.display(), err);
                                    }
                                }
                            }
                        }
                    }
                }
            }
            Err(err) => {
                errors += 1;
                info!("{}", err)
            }
        }

        errors
    }
}