fix HTTP cache

1 files changed, 8 insertions, 0 deletions

diff --git a/cmd/generate/httpcache.go b/cmd/generate/httpcache.go
index 7debd0a..87d2fb5 100644
--- a/cmd/generate/httpcache.go
+++ b/cmd/generate/httpcache.go
@@ -10,17 +10,25 @@ import (
 var httpCache = map[string]string{}
 
 func httpGet(u string) (string, error) {
+	if cache, ok := httpCache[u]; ok {
+		return cache, nil
+	}
+	fmt.Printf("GET %q...", u)
 	resp, err := http.Get(u)
 	if err != nil {
+		fmt.Printf(" err\n")
 		return "", err
 	}
 	if resp.StatusCode != http.StatusOK {
+		fmt.Printf(" err\n")
 		return "", fmt.Errorf("unexpected HTTP status: %v", resp.Status)
 	}
 	bs, err := io.ReadAll(resp.Body)
 	if err != nil {
+		fmt.Printf(" err\n")
 		return "", err
 	}
+	fmt.Printf(" ok\n")
 	httpCache[u] = string(bs)
 	return httpCache[u], nil
 }