1 files changed, 34 insertions, 0 deletions
diff --git a/vendor/gix/src/ext/object_id.rs b/vendor/gix/src/ext/object_id.rs
new file mode 100644
index 000000000..a4515022b
--- /dev/null
+++ b/vendor/gix/src/ext/object_id.rs
@@ -0,0 +1,34 @@
+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)
+    }
+}