Function commit

src/commands/commit.rs:5–35

(message: String, allow_empty: bool)

use super::status;

pub fn commit(message: String, allow_empty: bool) {
    let index = Index::get_instance();
    if !allow_empty && status::changes_to_be_committed().is_empty() {
        panic!("工作区没有任何改动，不需要提交");
    }

    let current_head = head::current_head();
    let current_commit_hash = head::current_head_commit();

    let mut commit = {
        if current_commit_hash.is_empty() {
            Commit::new(index, vec![], message.clone())
        } else {
            Commit::new(index, vec![current_commit_hash.clone()], message.clone())
        }
    };
    let commit_hash = commit.save();
    head::update_head_commit(&commit_hash);

    match current_head {
        head::Head::Branch(branch_name) => {
            println!("commit to [{:?}] message{:?}", branch_name, message)
        }
        head::Head::Detached(commit_hash) => {
            println!("Detached HEAD commit {:?} message{:?}", commit_hash[0..7].to_string(), message)
        }
    }

    println!("commit hash: {:?}", commit_hash);
    index.save();
}

#[cfg(test)]
mod test {