git_internal/internal/pack/
entry.rs

1use std::hash::{Hash, Hasher};
2
3use serde::{Deserialize, Serialize};
4
5use crate::hash::ObjectHash;
6use crate::internal::object::ObjectTrait;
7use crate::internal::object::blob::Blob;
8use crate::internal::object::commit::Commit;
9use crate::internal::object::tag::Tag;
10use crate::internal::object::tree::Tree;
11use crate::internal::object::types::ObjectType;
12
13///
14/// Git object data from pack file
15///
16#[derive(Eq, Clone, Debug, Serialize, Deserialize)]
17pub struct Entry {
18    pub obj_type: ObjectType,
19    pub data: Vec<u8>,
20    pub hash: ObjectHash,
21    pub chain_len: usize,
22}
23
24impl PartialEq for Entry {
25    fn eq(&self, other: &Self) -> bool {
26        // hash is enough to compare, right?
27        self.obj_type == other.obj_type && self.hash == other.hash
28    }
29}
30
31impl Hash for Entry {
32    fn hash<H: Hasher>(&self, state: &mut H) {
33        self.obj_type.hash(state);
34        self.hash.hash(state);
35    }
36}
37
38impl From<Blob> for Entry {
39    fn from(value: Blob) -> Self {
40        Self {
41            obj_type: ObjectType::Blob,
42            data: value.data,
43            hash: value.id,
44            chain_len: 0,
45        }
46    }
47}
48
49impl From<Commit> for Entry {
50    fn from(value: Commit) -> Self {
51        Self {
52            obj_type: ObjectType::Commit,
53            data: value.to_data().unwrap(),
54            hash: value.id,
55            chain_len: 0,
56        }
57    }
58}
59
60impl From<Tree> for Entry {
61    fn from(value: Tree) -> Self {
62        Self {
63            obj_type: ObjectType::Tree,
64            data: value.to_data().unwrap(),
65            hash: value.id,
66            chain_len: 0,
67        }
68    }
69}
70
71impl From<Tag> for Entry {
72    fn from(value: Tag) -> Self {
73        Self {
74            obj_type: ObjectType::Tag,
75            data: value.to_data().unwrap(),
76            hash: value.id,
77            chain_len: 0,
78        }
79    }
80}
git_internal/internal/pack/entry.rs

git_internal/internal/pack/
entry.rs
