thin-fetch 0.1.0

Low-level Git crate to fetch objects with high granularity
Documentation 
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use std::collections::HashMap;

use crate::object::{Blob, Commit, Object, Tree};
use crate::utils::as_hex;

pub struct SortedPack<'a> {
    pub objects: HashMap<String, &'a Object>,
    pub commits: HashMap<String, &'a Commit>,
    pub trees: HashMap<String, &'a Tree>,
    pub blobs: HashMap<String, &'a Blob>,
}

impl<'a> SortedPack<'a> {
    #[must_use]
    pub fn new() -> Self {
        Self {
            objects: HashMap::new(),
            commits: HashMap::new(),
            trees: HashMap::new(),
            blobs: HashMap::new(),
        }
    }

    pub fn append(&mut self, pack: &'a [Object]) {
        for obj in pack {
            let hash = as_hex(obj.hash().as_ref());

            self.objects.insert(hash.clone(), obj);

            match obj {
                Object::Commit(commit) => {
                    self.commits.insert(hash, commit);
                }
                Object::Tree(tree) => {
                    self.trees.insert(hash, tree);
                }
                Object::Blob(blob) => {
                    self.blobs.insert(hash, blob);
                }
                Object::Tag(_tag) => {}
            }
        }
    }
}

impl Default for SortedPack<'_> {
    fn default() -> Self {
        Self::new()
    }
}