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use gix_hash::ObjectId;
use gix_traverse::commit::{ancestors, Ancestors};
pub trait Sealed {}
pub type AncestorsIter<Find> = Ancestors<Find, fn(&gix_hash::oid) -> bool, ancestors::State>;
/// An extension trait to add functionality to [`ObjectId`]s.
pub trait ObjectIdExt: Sealed {
/// Create an iterator over the ancestry of the commits reachable from this id, which must be a commit.
fn ancestors<Find, E>(self, find: Find) -> AncestorsIter<Find>
where
Find: for<'a> FnMut(&gix_hash::oid, &'a mut Vec<u8>) -> Result<gix_object::CommitRefIter<'a>, E>,
E: std::error::Error + Send + Sync + 'static;
/// Infuse this object id `repo` access.
fn attach(self, repo: &crate::Repository) -> crate::Id<'_>;
}
impl Sealed for ObjectId {}
impl ObjectIdExt for ObjectId {
fn ancestors<Find, E>(self, find: Find) -> AncestorsIter<Find>
where
Find: for<'a> FnMut(&gix_hash::oid, &'a mut Vec<u8>) -> Result<gix_object::CommitRefIter<'a>, E>,
E: std::error::Error + Send + Sync + 'static,
{
Ancestors::new(Some(self), ancestors::State::default(), find)
}
fn attach(self, repo: &crate::Repository) -> crate::Id<'_> {
crate::Id::from_id(self, repo)
}
}
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