fix(initrd): Reverse order of detection

Lowercase paths currently resolve to docker links.
By reversing order we can exclude local files by checking for them.
Links will usually be valid.

Signed-off-by: Cezar Craciunoiu <cezar.craciunoiu@unikraft.io>

initrd/detect.go

@@ -12,13 +12,13 @@ import (
 // New attempts to return the builder for a supplied path which
 // will allow the provided ...
 func New(ctx context.Context, path string, opts ...InitrdOption) (Initrd, error) {
-	if builder, err := NewFromOCIImage(ctx, path, opts...); err == nil {
-		return builder, nil
-	} else if builder, err := NewFromDockerfile(ctx, path, opts...); err == nil {
+	if builder, err := NewFromFile(ctx, path, opts...); err == nil {
 		return builder, nil
 	} else if builder, err := NewFromDirectory(ctx, path, opts...); err == nil {
 		return builder, nil
-	} else if builder, err := NewFromFile(ctx, path, opts...); err == nil {
+	} else if builder, err := NewFromDockerfile(ctx, path, opts...); err == nil {
+		return builder, nil
+	} else if builder, err := NewFromOCIImage(ctx, path, opts...); err == nil {
 		return builder, nil
 	}