.bashrc: Add shorthands for ssh-ing into tailscale nodes

bash/.bashrc

@@ -20,10 +20,12 @@ alias moshtmp="mosh --ssh=\"ssh -o 'UserKnownHostsFile /dev/null' -o 'StrictHost
 
 # SSH with automatic "screen"
 function sshscr() {
+  [ -z "$1" ] && return
   ssh -t $@ screen -RR -d
 }
 
 function moshscr() {
+  [ -z "$1" ] && return
   mosh $@ -- screen -RR -d
 }
 
@@ -41,5 +43,48 @@ function sshunlock() {
   set +o pipefail
 }
 
+
+# Show a menu of all known Tailscale nodes for the user to select from
+function tsselect() {
+  local items=()
+  local hostnames=()
+  while read -r line; do
+    local name=$(echo "$line" | awk '{ print $2 }')
+    local ip=$(echo "$line" | awk '{ print $1 }')
+    items+=("$name ($ip)")
+    hostnames+=("$name")
+  done <<< $(tailscale status --self=false | sort -k 2)
+
+  _COLUMNS=$COLUMNS
+  # Force options to display in one column
+  COLUMNS=80
+  select item in "${items[@]}" Cancel; do
+    if [ $REPLY -eq ${#items[@]} ]; then
+      echo ""
+    fi
+    echo ${hostnames[$((REPLY - 1))]}
+    break;
+  done
+  COLUMNS=$_COLUMNS
+}
+
+# SSH shorthands, same as before but for tailscale nodes
+function moshscrts() {
+  moshscr $(tsselect)
+}
+
+function sshscrts() {
+  sshscr $(tsselect)
+}
+
+function _ssh() {
+  [ -z "$1" ] && return
+  ssh $@
+}
+
+function sshts() {
+  _ssh $(tsselect)
+}
+
 # Add local to path
 export PATH="$PATH:~/.local/bin"