1 files changed, 48 insertions, 0 deletions
diff --git a/ref/store/files/read_loose.go b/ref/store/files/read_loose.go
new file mode 100644
index 00000000..fbbdb109
--- /dev/null
+++ b/ref/store/files/read_loose.go
@@ -0,0 +1,48 @@
+package files
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"strings"
+
+	objectid "codeberg.org/lindenii/furgit/object/id"
+	"codeberg.org/lindenii/furgit/ref"
+	"codeberg.org/lindenii/furgit/ref/store"
+)
+
+func (store *Store) readLooseRef(name string) (ref.Ref, error) { //nolint:ireturn
+	refPath := store.loosePath(name)
+
+	data, err := store.rootFor(refPath.root).ReadFile(refPath.path)
+	if err != nil {
+		if errors.Is(err, os.ErrNotExist) {
+			return nil, refstore.ErrReferenceNotFound
+		}
+
+		return nil, err
+	}
+
+	line := strings.TrimRightFunc(string(data), isRefWhitespace)
+	if strings.HasPrefix(line, "ref:") {
+		target := strings.TrimLeftFunc(line[len("ref:"):], isRefWhitespace)
+		if target == "" {
+			return nil, brokenRefError{name: name, err: fmt.Errorf("empty symbolic target")}
+		}
+
+		return ref.Symbolic{
+			RefName: name,
+			Target:  target,
+		}, nil
+	}
+
+	id, err := objectid.ParseHex(store.algo, line)
+	if err != nil {
+		return nil, brokenRefError{name: name, err: err}
+	}
+
+	return ref.Detached{
+		RefName: name,
+		ID:      id,
+	}, nil
+}