fix promptForSecret when pasting secrets

Author: robstoll

src/utility/secret-utils.sh

@@ -123,6 +123,11 @@ function promptForSecret() {
 
 	exitIfVariablesNotDeclared "$2"
 
+	# without using it, pasting secrets sometimes reveals parts of the secret (read is too slow)
+	stty -echo
+	trap "stty echo; return 130" INT
+	trap "stty echo" EXIT
+
 	# shellcheck disable=SC2059 # we want to be able to use newline in the $prompt, hence OK
 	printf "$1"
 
@@ -143,6 +148,7 @@ function promptForSecret() {
 			printf "*"
 		fi
 	done
+	stty echo
 
 	printf "\n"