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//! Raw representation wrappers for libgit2
mod branch;
pub use branch::RawBranch;
mod branch_walk;
mod tree_walk;
use crate::{Branch, BranchCommit};
use git2::{self, Oid, Repository};
pub type RawResult<T> = Result<T, RawError>;
/// The hex ID of a commit
#[derive(Debug)]
pub struct HashId(String);
impl From<Oid> for HashId {
fn from(o: Oid) -> Self {
Self(o.to_string())
}
}
impl From<HashId> for Oid {
fn from(hid: HashId) -> Self {
Oid::from_str(hid.0.as_str()).expect(&format!(
"Tried turning an invalid HashId variant into an Oid: {:?}",
hid
))
}
}
impl<'any> From<&'any HashId> for Oid {
fn from(hid: &'any HashId) -> Self {
Oid::from_str(hid.0.as_str()).expect(&format!(
"Tried turning an invalid HashId variant into an Oid: {:?}",
hid
))
}
}
/// An error abstraction for raw git operations
#[derive(Debug)]
pub enum RawError {
AllBad,
}
impl From<git2::Error> for RawError {
fn from(_: git2::Error) -> Self {
Self::AllBad
}
}
/// Wrap a libgit2 repository to provide an API fascade
pub struct RawRepository {
pub inner: Repository,
}
impl RawRepository {
pub fn open(path: &str) -> RawResult<Self> {
Ok(Self {
inner: Repository::open(path)?,
})
}
/// Parse branch data from repository
///
/// ## Panics
///
/// If there is an error around getting the name, or head commit.
pub fn parse_branches(&self) -> RawResult<Vec<RawBranch>> {
Ok(self
.inner
.branches(None)?
.into_iter()
.filter_map(|e| e.ok())
.map(|(branch, _)| {
let name = branch.name().unwrap().unwrap().into();
let head = branch.get().peel_to_commit().unwrap().id().into();
RawBranch { name, head }
})
.collect())
}
/// Get the files touched by a commit
pub fn get_files_for(&self, id: HashId) -> RawResult<Vec<()>> {
let c = self.inner.find_commit(id.into())?;
let tree = c.tree()?;
todo!()
}
}
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