gix_odb/store_impls/loose/
mod.rs

1//! An object database storing each object in a zlib compressed file with its hash in the path
2/// The maximum size that an object header can have. `git2` says 64, and `git` says 32 but also mentions it can be larger.
3const HEADER_MAX_SIZE: usize = 64;
4use std::path::{Path, PathBuf};
5
6use gix_features::fs;
7
8/// A database for reading and writing objects to disk, one file per object.
9#[derive(Clone, PartialEq, Eq)]
10pub struct Store {
11    /// The directory in which objects are stored, containing 256 folders representing the hashes first byte.
12    pub(crate) path: PathBuf,
13    /// The kind of hash we should assume during iteration and when writing new objects.
14    pub(crate) object_hash: gix_hash::Kind,
15}
16
17/// Initialization
18impl Store {
19    /// Initialize the Db with the `objects_directory` containing the hexadecimal first byte subdirectories, which in turn
20    /// contain all loose objects.
21    ///
22    /// In a git repository, this would be `.git/objects`.
23    ///
24    /// The `object_hash` determines which hash to use when writing, finding or iterating objects.
25    pub fn at(objects_directory: impl Into<PathBuf>, object_hash: gix_hash::Kind) -> Store {
26        Store {
27            path: objects_directory.into(),
28            object_hash,
29        }
30    }
31
32    /// Return the path to our `objects` directory.
33    pub fn path(&self) -> &Path {
34        &self.path
35    }
36
37    /// Return the kind of hash we would iterate and write.
38    pub fn object_hash(&self) -> gix_hash::Kind {
39        self.object_hash
40    }
41}
42
43fn hash_path(id: &gix_hash::oid, mut root: PathBuf) -> PathBuf {
44    let mut hex = gix_hash::Kind::hex_buf();
45    let hex = id.hex_to_buf(hex.as_mut());
46    root.push(&hex[..2]);
47    root.push(&hex[2..]);
48    root
49}
50
51///
52pub mod find;
53///
54pub mod iter;
55///
56pub mod verify;
57
58/// The type for an iterator over `Result<gix_hash::ObjectId, Error>)`
59pub struct Iter {
60    inner: fs::walkdir::DirEntryIter,
61    hash_hex_len: usize,
62}
63
64///
65pub mod write;
gix_odb/store_impls/loose/mod.rs

gix_odb/store_impls/loose/
mod.rs
