refstore/loose: Add loose refs implementation

1 files changed, 37 insertions, 0 deletions

diff --git a/refstore/loose/store.go b/refstore/loose/store.go
new file mode 100644
index 00000000..4102ea0d
--- /dev/null
+++ b/refstore/loose/store.go
@@ -0,0 +1,37 @@
+// Package loose provides read access to loose Git references.
+package loose
+
+import (
+	"os"
+
+	"codeberg.org/lindenii/furgit/objectid"
+	"codeberg.org/lindenii/furgit/refstore"
+)
+
+// Store reads loose references from a repository root.
+//
+// Store does not own root. Callers are responsible for closing root.
+type Store struct {
+	// root is the repository root capability.
+	root *os.Root
+	// algo is the object ID algorithm used by this repository.
+	algo objectid.Algorithm
+}
+
+var _ refstore.Store = (*Store)(nil)
+
+// New creates a loose ref store rooted at a repository root.
+func New(root *os.Root, algo objectid.Algorithm) (*Store, error) {
+	if algo.Size() == 0 {
+		return nil, objectid.ErrInvalidAlgorithm
+	}
+	return &Store{
+		root: root,
+		algo: algo,
+	}, nil
+}
+
+// Close releases resources associated with the backend.
+func (store *Store) Close() error {
+	return nil
+}