|
|
// dirstate module
|
|
|
//
|
|
|
// Copyright 2019 Raphaël Gomès <rgomes@octobus.net>
|
|
|
//
|
|
|
// This software may be used and distributed according to the terms of the
|
|
|
// GNU General Public License version 2 or any later version.
|
|
|
|
|
|
use crate::DirstateParseError;
|
|
|
use std::collections::HashMap;
|
|
|
use std::convert::TryFrom;
|
|
|
|
|
|
pub mod dirs_multiset;
|
|
|
pub mod dirstate_map;
|
|
|
pub mod parsers;
|
|
|
|
|
|
#[derive(Debug, PartialEq, Clone)]
|
|
|
pub struct DirstateParents {
|
|
|
pub p1: [u8; 20],
|
|
|
pub p2: [u8; 20],
|
|
|
}
|
|
|
|
|
|
/// The C implementation uses all signed types. This will be an issue
|
|
|
/// either when 4GB+ source files are commonplace or in 2038, whichever
|
|
|
/// comes first.
|
|
|
#[derive(Debug, PartialEq, Copy, Clone)]
|
|
|
pub struct DirstateEntry {
|
|
|
pub state: EntryState,
|
|
|
pub mode: i32,
|
|
|
pub mtime: i32,
|
|
|
pub size: i32,
|
|
|
}
|
|
|
|
|
|
pub type StateMap = HashMap<Vec<u8>, DirstateEntry>;
|
|
|
pub type CopyMap = HashMap<Vec<u8>, Vec<u8>>;
|
|
|
|
|
|
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
|
|
|
pub enum EntryState {
|
|
|
Normal,
|
|
|
Added,
|
|
|
Removed,
|
|
|
Merged,
|
|
|
Unknown,
|
|
|
}
|
|
|
|
|
|
impl TryFrom<u8> for EntryState {
|
|
|
type Error = DirstateParseError;
|
|
|
|
|
|
fn try_from(value: u8) -> Result<Self, Self::Error> {
|
|
|
match value {
|
|
|
b'n' => Ok(EntryState::Normal),
|
|
|
b'a' => Ok(EntryState::Added),
|
|
|
b'r' => Ok(EntryState::Removed),
|
|
|
b'm' => Ok(EntryState::Merged),
|
|
|
b'?' => Ok(EntryState::Unknown),
|
|
|
_ => Err(DirstateParseError::CorruptedEntry(format!(
|
|
|
"Incorrect entry state {}",
|
|
|
value
|
|
|
))),
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
impl Into<u8> for EntryState {
|
|
|
fn into(self) -> u8 {
|
|
|
match self {
|
|
|
EntryState::Normal => b'n',
|
|
|
EntryState::Added => b'a',
|
|
|
EntryState::Removed => b'r',
|
|
|
EntryState::Merged => b'm',
|
|
|
EntryState::Unknown => b'?',
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
