tmux-master-session.sh

gistfile1.txt

#!/bin/zsh

# The name of the tmux session
SESSION_NAME="master"

# Check if the tmux session already exists
tmux has-session -t $SESSION_NAME 2>/dev/null

# $? is the exit status of the last command.
# If the session exists, `tmux has-session` will return 0.
if [ $? -eq 0 ]; then
  # Attach to the existing session
  tmux attach-session -t $SESSION_NAME
else
  # Create a new session, and name the first window "Home"
  tmux new-session -d -s $SESSION_NAME -n "Home" -c "$HOME"
  # Create a new window for each project directory
  PROJECTS_DIR="$HOME/Projects"
  
  for dir in "$PROJECTS_DIR"/*; do
    if [ -d "$dir" ]; then
      # Skip directories that contain a .no-tmux file
      if [ -f "$dir/.no-tmux" ]; then
        continue
      fi
      WINDOW_NAME=$(basename "$dir")
      # Create a new window for each directory and open a shell
      tmux new-window -n "$WINDOW_NAME" -c "$dir"
    fi
  done

  # Create a new window for the downloads directory
  tmux new-window -n "Downloads" -c "$HOME/Downloads"

  # Trick: Attach *briefly* to sync size, then detach
  tmux attach-session -t $SESSION_NAME \; detach-client

  tmux display-message -p "#{window_layout}"

  sleep 1

  # Create Home window panes first, then apply layout
  tmux select-window -t "${SESSION_NAME}:0"
  
  # STEP 1: Split bottom area
  tmux split-window -t "${SESSION_NAME}:0" -v -p 20

  # STEP 2: Split remaining top area: left (gemini) + right column
  tmux split-window -t "${SESSION_NAME}:0.0" -h -p 50

  # STEP 3: On right column, split bottom area
  tmux split-window -t "${SESSION_NAME}:0.1" -v -p 40

  # Now apply the specific layout to the Home window (4 panes)
  tmux select-layout -t "${SESSION_NAME}:0" "0df9,362x93,0,0[362x69,0,0{180x69,0,0,4658,181x69,181,0[181x35,181,0,4673,181x33,181,36,4674]},362x23,0,70,4672]"

  # Run commands in the Home window panes
  tmux send-keys -t "${SESSION_NAME}:0.0" "gemini" C-m
  tmux send-keys -t "${SESSION_NAME}:0.2" "htop" C-m

  # Reset window index for the second loop
  WINDOW_INDEX=1
  
  for dir in "$PROJECTS_DIR"/*; do
    if [ -d "$dir" ]; then
      # Skip directories that contain a .no-tmux file
      if [ -f "$dir/.no-tmux" ]; then
        continue
      fi
      WINDOW_NAME=$(basename "$dir")

      tmux select-window -t "${SESSION_NAME}:${WINDOW_INDEX}"
      sleep 0.05  # Let tmux settle

      # Create project directory window panes first
      # Split the window vertically using the tracked window index
      tmux split-window -t "${SESSION_NAME}:${WINDOW_INDEX}" -v -p 20 -c "$dir"
      
      # Split the window horizontally using the tracked window index
      tmux split-window -t "${SESSION_NAME}:${WINDOW_INDEX}.0" -h -p 50 -c "$dir"

      # Now apply the specific layout to the project directory window (3 panes)
      tmux select-layout -t "${SESSION_NAME}:${WINDOW_INDEX}" "7536,362x93,0,0[362x69,0,0{180x69,0,0,4659,181x69,181,0,4676},362x23,0,70,4675]"

      # Send keys using the tracked window index
      tmux send-keys -t "${SESSION_NAME}:${WINDOW_INDEX}.0" "vt gemini" C-m
      tmux send-keys -t "${SESSION_NAME}:${WINDOW_INDEX}.1" "vt claude" C-m
      
      # Increment the window index for the next iteration
      ((WINDOW_INDEX++))
    fi
  done

  # Select window 0 and pane 0
  tmux select-window -t "${SESSION_NAME}:0"
  tmux select-pane -t "${SESSION_NAME}:0.1"

  # Attach to the new session
  tmux attach-session -t $SESSION_NAME

fi