feat(config): split tmux config, add helpers

config/tmux/rename-session.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+# Default session name
+DEFAULT_NAME="main"
+
+# Current session
+CURRENT_SESSION=$(tmux display-message -p "#{session_name}")
+
+# Check that the session has a name
+if [ "$CURRENT_SESSION" = "#{session_name}" ] || [ "$CURRENT_SESSION" = "0" ]; then
+  # Check if the default name is already in use
+  if tmux has-session -t "$DEFAULT_NAME" 2> /dev/null; then
+    # Query the user for a new name
+    echo "Session name '$DEFAULT_NAME' is already in use. Enter a new name:"
+    read -r NEW_NAME
+    while tmux has-session -t "$NEW_NAME" 2> /dev/null || [ -z "$NEW_NAME" ]; do
+      echo "Name '$NEW_NAME' is invalid or already in use. Enter a new name:"
+      read -r NEW_NAME
+    done
+    # Rename the session with the new name
+    tmux rename-session -t "$(tmux display-message -p "#{session_id}")" "$NEW_NAME"
+    exit 0
+  else
+    # Rename the session with the default name
+    tmux rename-session -t "$(tmux display-message -p "#{session_id}")" "$DEFAULT_NAME"
+    exit 0
+  fi
+fi