Add tmux package and common dotfiles deployment

dotfiles/common/.tmux/plugins/tmux/utils/tmux_utils.sh

@@ -0,0 +1,63 @@
+#!/bin/sh
+
+tmux_echo() {
+  local hook
+  hook="after-new-session[$2]"
+
+  tmux set-hook -g "$hook" "run-shell 'echo \"$1\"'; set-hook -gu \"$hook\""
+}
+
+get_tmux_option() {
+  local option value default
+  option="$1"
+  default="$2"
+  value=$(tmux show-option -gqv "$option")
+
+  if [ -n "$value" ]
+  then
+    if [ "$value" = "null" ]
+    then
+      echo ""
+
+    else
+      echo "$value"
+    fi
+
+  else
+    echo "$default"
+
+  fi
+}
+
+get_interpolated_tmux_option() {
+  local option value default
+  option="$1"
+  default="$2"
+  value=$(tmux show-option -gqv "$option")
+
+  if [ -n "$value" ]
+  then
+    if [ "$value" = "null" ]
+    then
+      echo ""
+
+    else
+      do_color_interpolation "$value"
+    fi
+
+  else
+    echo "$default"
+  fi
+}
+
+set() {
+  local option=$1
+  local value=$2
+  tmux_commands+=(set-option -gq "$option" "$value" ";")
+}
+
+setw() {
+  local option=$1
+  local value=$2
+  tmux_commands+=(set-window-option -gq "$option" "$value" ";")
+}