object/tree: Add helpers and cleanup v0.1.152

1 files changed, 19 insertions, 0 deletions

diff --git a/object/tree/path_prefix.go b/object/tree/path_prefix.go
new file mode 100644
index 00000000..ed658cee
--- /dev/null
+++ b/object/tree/path_prefix.go
@@ -0,0 +1,19 @@
+package tree
+
+import (
+	"bytes"
+	"slices"
+)
+
+// HasPathPrefix reports whether path begins with prefix as whole components.
+func HasPathPrefix(path, prefix [][]byte) bool {
+	if len(prefix) == 0 {
+		return true
+	}
+
+	if len(path) < len(prefix) {
+		return false
+	}
+
+	return slices.EqualFunc(path[:len(prefix)], prefix, bytes.Equal)
+}