refstore/files: Implement batching

1 files changed, 35 insertions, 0 deletions

diff --git a/refstore/files/batch_reject.go b/refstore/files/batch_reject.go
new file mode 100644
index 00000000..27715c2d
--- /dev/null
+++ b/refstore/files/batch_reject.go
@@ -0,0 +1,35 @@
+package files
+
+import (
+	"errors"
+	"strings"
+
+	"codeberg.org/lindenii/furgit/objectid"
+	"codeberg.org/lindenii/furgit/ref/refname"
+	"codeberg.org/lindenii/furgit/refstore"
+)
+
+func isBatchRejected(err error) bool {
+	var nameErr *refname.NameError
+
+	if errors.As(err, &nameErr) {
+		return true
+	}
+
+	if errors.Is(err, objectid.ErrInvalidAlgorithm) || errors.Is(err, refstore.ErrReferenceNotFound) {
+		return true
+	}
+
+	msg := err.Error()
+
+	return strings.Contains(msg, "empty reference name") ||
+		strings.Contains(msg, "empty symbolic target") ||
+		strings.Contains(msg, "empty symbolic old target") ||
+		strings.Contains(msg, "already exists") ||
+		strings.Contains(msg, "is missing") ||
+		strings.Contains(msg, "is not detached") ||
+		strings.Contains(msg, "is not symbolic") ||
+		strings.Contains(msg, "expected") ||
+		strings.Contains(msg, "reference name conflict") ||
+		strings.Contains(msg, "non-empty directory blocks reference")
+}