.zshrc: warn if not in main channel

.zshrc2

@@ -176,6 +176,11 @@ dfs()
     esac
 }
 
+# motd
+if [[ "$DFS_INITED" != "1" && -n "$DFS_UPDATE_CHANNEL" && "$DFS_UPDATE_CHANNEL" != "main" ]]; then
+    echo dotfiles not in the main channel. use with caution.
+fi
+
 # clean
 unset i
 export DFS_INITED=1

scripts/riot

@@ -29,6 +29,14 @@ get_server_meta() {
     RET_JUMP_SERVER=""  # optional
     # body
     local remote="$1"
+    # shortcuts
+    if [[ "$remote" == "i" ]]; then
+        remote="sir0.ibd"
+    elif [[ "$remote" == "x" ]]; then
+        remote="bj1.ibd"
+    elif [[ "$remote" == "j" ]]; then
+        remote="sir0.ibd:36122"
+    fi
     # if in the form user@...
     if [[ "$remote" == *@* ]]; then
         RET_USERNAME=${remote%%@*}
@@ -70,6 +78,13 @@ get_server_meta() {
             RET_USERNAME=root
             RET_TRUST_SERVER=1
             ;;
+        box[0-9] )
+            RET_HOSTNAME=$host
+            RET_PORT=${RET_PORT:-12022}
+            RET_USERNAME=${RET_USERNAME:-root}
+            RET_JUMP_SERVER="root@$domain.ibd.ink:12022"
+            RET_TRUST_SERVER=1
+            ;;
         * )
             test -z "$domain" || fmt_warning "unknown domain: \"$domain\". will try as host name"
             RET_HOSTNAME="$remote"