Don't give error when there's no lines to append

deluan · deluan · commit dad4ec19107b · 2020-09-10T17:14:33.000-04:00
diff --git a/zsh-in-docker.sh b/zsh-in-docker.sh
@@ -102,7 +102,7 @@ plugins=($_PLUGINS)
 
 source \$ZSH/oh-my-zsh.sh
 EOM
-    printf $ZSHRC_APPEND
+    printf "$ZSHRC_APPEND"
 }
 
 powerline10k_config() {
