Merge pull request #70 from fabpot/gihub-set-output-dep

Fix deprecated usage of ::set-output

main.go

@@ -76,9 +76,21 @@ func main() {
 	fmt.Print(string(output))
 
 	if os.Getenv("GITHUB_WORKSPACE") != "" {
+		gOutFile := os.Getenv("GITHUB_OUTPUT")
+
+		f, err := os.OpenFile(gOutFile, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, fmt.Sprintf("unable to open github output: %s\n", err))
+			os.Exit(127)
+		}
+		defer f.Close()
+
 		// inside a Github action, export vulns
 		if output, err := security.Format(vulns, "raw_json"); err == nil {
-			fmt.Printf("::set-output name=vulns::%s", output)
+			if _, err = f.WriteString("vulns=" + string(output) + "\n"); err != nil {
+				fmt.Fprintf(os.Stderr, fmt.Sprintf("unable to write into github output: %s\n", err))
+				os.Exit(127)
+			}
 		}
 	}