object/fetch: Use proper errors

1 files changed, 19 insertions, 0 deletions

diff --git a/object/fetch/object_errors.go b/object/fetch/object_errors.go
new file mode 100644
index 00000000..08de6f75
--- /dev/null
+++ b/object/fetch/object_errors.go
@@ -0,0 +1,19 @@
+package fetch
+
+import (
+	stderrors "errors"
+
+	giterrors "codeberg.org/lindenii/furgit/errors"
+	objectid "codeberg.org/lindenii/furgit/object/id"
+	objectstore "codeberg.org/lindenii/furgit/object/store"
+)
+
+// wrapObjectReadError maps raw object-store lookup failures to fetcher-level
+// object lookup errors.
+func wrapObjectReadError(id objectid.ObjectID, err error) error {
+	if stderrors.Is(err, objectstore.ErrObjectNotFound) {
+		return &giterrors.ObjectMissingError{OID: id}
+	}
+
+	return err
+}