Refactor debug into debug module

cmd/ram/main.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"os"
+
+	"github.com/restic/restic"
+)
+
+func main() {
+	max := int(1e6)
+	nodes := make([]*restic.Node, 0, max)
+
+	fi, err := os.Lstat("main.go")
+	if err != nil {
+		panic(err)
+	}
+
+	for i := 0; i < max; i++ {
+		node, err := restic.NodeFromFileInfo("main.go", fi)
+		if err != nil {
+			panic(err)
+		}
+
+		nodes = append(nodes, node)
+	}
+}