onchg 0.1.6

Keep blocks in sync across different files in your codebase.
Documentation 
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use std::collections::BTreeMap;
use std::path::PathBuf;

use anyhow::Result;

pub mod cli;
#[cfg(feature = "git")]
mod lib;

pub trait Repo {
    fn get_staged_files(&self) -> Result<Vec<PathBuf>>;
    // NOTE: We could optimize by having it accept a list of files to check.
    fn get_staged_hunks(&self) -> Result<BTreeMap<PathBuf, Vec<Hunk>>>;
}

#[derive(Debug)]
pub struct Hunk {
    /// Start line of this hunk in the _new_ file.
    pub start_line: u32,
    /// End line of this hunk in the _new_ file.
    pub end_line: u32,
    /// Lines that have changed in this hunk.
    pub lines: Vec<Line>,
}

#[derive(Debug)]
pub enum Line {
    /// Added line number (in _new_ file).
    Add(u32),
    /// Removed line number (in _old_ file).
    Remove(u32),
    /// Context line number (old, new).
    Context(u32, u32),
}