1 files changed, 42 insertions, 0 deletions
diff --git a/ref/store/memory/store.go b/ref/store/memory/store.go
new file mode 100644
index 00000000..d77f72e2
--- /dev/null
+++ b/ref/store/memory/store.go
@@ -0,0 +1,42 @@
+package memory
+
+import (
+	"sync"
+
+	objectid "codeberg.org/lindenii/furgit/object/id"
+	refstore "codeberg.org/lindenii/furgit/ref/store"
+)
+
+// Store reads and writes one in-memory Git reference namespace.
+//
+// Labels: Close-Caller.
+type Store struct {
+	mu   sync.RWMutex
+	algo objectid.Algorithm
+	refs map[string]storedRef
+}
+
+var (
+	_ refstore.Reader        = (*Store)(nil)
+	_ refstore.Transactioner = (*Store)(nil)
+	_ refstore.Batcher       = (*Store)(nil)
+)
+
+// New builds one empty in-memory reference store for one object format.
+func New(algo objectid.Algorithm) (*Store, error) {
+	if algo.Size() == 0 {
+		return nil, objectid.ErrInvalidAlgorithm
+	}
+
+	return &Store{
+		algo: algo,
+		refs: make(map[string]storedRef),
+	}, nil
+}
+
+// Close closes the in-memory reference store.
+//
+// Labels: MT-Unsafe.
+func (store *Store) Close() error {
+	return nil
+}