feat: check for missing https://

This isn't as easy as modifying the parsed URL after the fact.

This Stack Overflow post has some hints:

https://stackoverflow.com/q/46719948/4570292

1 files changed, 5 insertions, 0 deletions

diff --git a/main.go b/main.go
index cd71cd1..f663005 100644
--- a/main.go
+++ b/main.go
@@ -44,6 +44,11 @@ func main() {
 		log.Fatalf("Invalid -depth argument: %d", *maxDepth)
 	}
 
+	if !strings.HasPrefix(*startRawURL, "http://") && !strings.HasPrefix(*startRawURL, "https://") {
+		*startRawURL = "https://" + *startRawURL
+		fmt.Printf("start url: %s\n", *startRawURL)
+	}
+
 	startURL, err := url.Parse(*startRawURL)
 	if err != nil {
 		log.Fatal(err)