// 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::dirstate::on_disk::DirstateV2ParseError;

use crate::revlog::node::NULL_NODE;

use crate::revlog::Node;

use crate::utils::hg_path::HgPath;

use bytes_cast::BytesCast;

pub mod dirs_multiset;

pub mod dirstate_map;

pub mod entry;

pub mod on_disk;

pub mod owning;

pub mod parsers;

pub mod path_with_basename;

pub mod status;

#[derive(Debug, PartialEq, Copy, Clone, BytesCast)]

#[repr(C)]

pub struct DirstateParents {

    pub p1: Node,

    pub p2: Node,

}

impl DirstateParents {

    pub const NULL: Self = Self {

        p1: NULL_NODE,

        p2: NULL_NODE,

    };

    pub fn is_merge(&self) -> bool {

        !(self.p2 == NULL_NODE)

    }

}

pub type StateMapIter<'a> = Box<

    dyn Iterator<

            Item = Result<(&'a HgPath, DirstateEntry), DirstateV2ParseError>,

        > + Send

        + 'a,

>;

pub type CopyMapIter<'a> = Box<

    dyn Iterator<Item = Result<(&'a HgPath, &'a HgPath), DirstateV2ParseError>>

        + Send

        + 'a,

>;