*: refstore -> ref/store

1 files changed, 41 insertions, 0 deletions

diff --git a/ref/store/files/read_resolve.go b/ref/store/files/read_resolve.go
new file mode 100644
index 00000000..bba6c7e7
--- /dev/null
+++ b/ref/store/files/read_resolve.go
@@ -0,0 +1,41 @@
+package files
+
+import (
+	"errors"
+
+	"codeberg.org/lindenii/furgit/ref"
+	"codeberg.org/lindenii/furgit/ref/store"
+)
+
+// Resolve resolves one reference name from the files store visible namespace.
+func (store *Store) Resolve(name string) (ref.Ref, error) { //nolint:ireturn
+	if name == "" {
+		return nil, refstore.ErrReferenceNotFound
+	}
+
+	resolved, err := store.readLooseRef(name)
+	if err == nil {
+		return resolved, nil
+	}
+
+	if !errors.Is(err, refstore.ErrReferenceNotFound) {
+		refPath := store.loosePath(name)
+
+		info, statErr := store.rootFor(refPath.root).Stat(refPath.path)
+		if statErr != nil || !info.IsDir() {
+			return nil, err
+		}
+	}
+
+	packed, packedErr := store.readPackedRefs()
+	if packedErr != nil {
+		return nil, packedErr
+	}
+
+	detached, ok := packed.byName[name]
+	if !ok {
+		return nil, refstore.ErrReferenceNotFound
+	}
+
+	return detached, nil
+}