wip: ci should fail??

glow_test.go

@@ -26,9 +26,8 @@ func TestGlowSources(t *testing.T) {
 				if errors.As(err, &urlErr) {
 					t.Logf("Error during execution (args: %s):\n%v", v, err)
 					t.Skip("Test uses network. Are you connected to the Internet?")
-				} else {
-					t.Errorf("Error during execution (args: %s): %T %v", v, err, err)
 				}
+				t.Errorf("Error during execution (args: %s): %T %v", v, err, err)
 
 				if buf.Len() == 0 {
 					t.Errorf("Output buffer should not be empty (args: %s)", v)

main.go

@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"io"
 	"io/fs"
-	"net"
 	"net/http"
 	"net/url"
 	"os"
@@ -76,19 +75,19 @@ func sourceFromArg(arg string) (*source, error) {
 	}
 
 	// a GitHub or GitLab URL (even without the protocol):
-	var dnsErr *net.DNSError
-	var opErr *net.OpError
 	src, err := readmeURL(arg)
 	if err != nil {
 		return src, err
 	}
-	if src != nil && err == nil {
-		// if there's an error, try next methods...
-		return src, nil
-	} else if err != nil && errors.As(err, &dnsErr) || errors.As(err, &opErr) {
-		// fail if there's a network error.
-		return src, err
-	}
+
+	// var dnsErr *net.DNSError
+	//	if src != nil && err == nil {
+	//		// if there's an error, try next methods...
+	//		return src, nil
+	//	} else if errors.As(err, &dnsErr) {
+	//		// fail if there's a network error.
+	//		return src, err
+	//	}
 
 	// HTTP(S) URLs:
 	if u, err := url.ParseRequestURI(arg); err == nil && strings.Contains(arg, "://") {