shallow dependency

prepare.sh

@@ -7,12 +7,12 @@ download_repo() {
   if [ -d "$REPO_DIR" ]; then
     (cd "$REPO_DIR" && git pull)
   else
-    git clone "$REPO_URL" "$REPO_DIR"
+    git clone --depth 1 "$REPO_URL" "$REPO_DIR"
   fi
 }
 
 # download_repo chnroutes2 https://github.com/misakaio/chnroutes2.git
-download_repo dnsmasq-china-list https://code.mycard.moe/nanahira/dnsmasq-china-list
+download_repo dnsmasq-china-list git@git.mycard.moe:nanahira/dnsmasq-china-list.git
 # download_repo mycard-dnsmasq https://code.mycard.moe/mycard/dnsmasq
 
 cd dnsmasq-china-list