mit-commit-message-lints 6.3.0

Check the correctness of a specific commit message. Designed to be used in tools providing commit-msg style hooks
Documentation 
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use std::borrow::Cow;

use miette::Result;

use crate::external::Vcs;

pub fn get_vcs_coauthors_config<'a>(
    config: &'a dyn Vcs,
    key: &'a str,
) -> Result<Vec<Option<Cow<'a, str>>>> {
    (0..)
        .take_while(|index| has_vcs_coauthor(config, *index))
        .map(|index| get_vcs_coauthor_config(config, key, index))
        .collect::<Result<Vec<Option<_>>>>()
}

pub fn has_vcs_coauthor(config: &dyn Vcs, index: i32) -> bool {
    let email = get_vcs_coauthor_config(config, "email", index);
    let name = get_vcs_coauthor_config(config, "name", index);

    matches!((name, email), (Ok(Some(_)), Ok(Some(_))))
}

pub fn get_vcs_coauthor_config<'a>(
    config: &'a dyn Vcs,
    key: &'a str,
    index: i32,
) -> Result<Option<Cow<'a, str>>> {
    config
        .get_str(&format!("mit.author.coauthors.{index}.{key}"))
        .map(|x| x.map(std::convert::Into::into))
}