zsh, tmux, ssh

.zsh/functions.d/s.sh

@@ -0,0 +1,25 @@
+# SSH with automatic tmux window renaming
+s() {
+  # Only rename tmux window if inside tmux
+  if [ -n "$TMUX" ]; then
+    local original_name
+    original_name=$(tmux display-message -p '#W')
+
+    # Extract the host from arguments (first arg without user@ or port)
+    local ssh_host="$1"
+    ssh_host="${ssh_host#*@}"       # remove user@
+    ssh_host="${ssh_host%% *}"      # trim after space
+    ssh_host="${ssh_host%%:*}"      # remove port if given (e.g. user@host:2222)
+
+    tmux rename-window "${ssh_host%%.*}"  # short hostname
+
+    # Run SSH session
+    command ssh "$@"
+
+    # Restore previous tmux window name
+    tmux rename-window "$original_name"
+  else
+    command ssh "$@"
+  fi
+}
+

.zshrc

@@ -1,7 +1,7 @@
 # Source some global/public stuff
 source ~/.env
 
-# Source some private stuff 
+# Source some private stuff
 source ~/.penv
 
 # Java Stuff
@@ -89,11 +89,6 @@ HISTFILE=~/.zsh_history
 # Load oh-my-zsh stuff
 source $ZSH/oh-my-zsh.sh
 
-# Source some functions
-for function in ~/.zsh/functions.d/*.sh; do
-    source $function
-done
-
 # Some aliases
 alias ..='cd ..'
 alias ...='cd ../..'
@@ -134,17 +129,19 @@ case $TERM in
         ;;
 esac
 
-if [ -f /usr/bin/shellpic ]; then 
+if [ -f /usr/bin/shellpic ]; then
     if [ -f ~/images/tux.png ]; then
         /usr/bin/shellpic --shell24 --scale-x 50 ~/images/tux.png
     fi
 fi
 
-if [ -n "$TMUX" ]; then
-    printf '\033k%s\033\\' "$(hostname)"
-fi
-
 #source /usr/share/zsh-theme-powerlevel10k/powerlevel10k.zsh-theme
 
 # To customize prompt, run `p10k configure` or edit ~/.p10k.zsh.
 #[[ ! -f ~/.p10k.zsh ]] || source ~/.p10k.zsh
+
+# Source some functions
+for function in ~/.zsh/functions.d/*.sh; do
+    source $function
+done
+