Improve irb restore strategy

Fixes #21

scripts/process_restore_helpers.sh

@@ -1,20 +1,3 @@
-# default processes that are restored
-default_proc_list_option="@session-saver-default-processes"
-default_proc_list='vi vim emacs man less more tail top htop irssi irb pry "~rails console"'
-
-# User defined processes that are restored
-#  'false' - nothing is restored
-#  ':all:' - all processes are restored
-#
-# user defined list of programs that are restored:
-#  'my_program foo another_program'
-restore_processes_option="@session-saver-processes"
-restore_processes=""
-
-# Defines part of the user variable. Example usage:
-#   set -g @session-saver-strategy-vim "session"
-restore_process_strategy_option="@session-saver-strategy-"
-
 restore_pane_processes_enabled() {
 	local restore_processes="$(get_tmux_option "$restore_processes_option" "$restore_processes")"
 	if [ "$restore_processes" == "false" ]; then

scripts/session_restorer.sh

@@ -2,6 +2,7 @@
 
 CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
+source "$CURRENT_DIR/variables.sh"
 source "$CURRENT_DIR/helpers.sh"
 source "$CURRENT_DIR/process_restore_helpers.sh"
 source "$CURRENT_DIR/spinner_helpers.sh"

scripts/variables.sh

@@ -0,0 +1,23 @@
+# key bindings
+default_save_key="M-s"
+save_option="@session-saver-save"
+
+default_restore_key="M-r"
+restore_option="@session-saver-restore"
+
+# default processes that are restored
+default_proc_list_option="@session-saver-default-processes"
+default_proc_list='vi vim emacs man less more tail top htop irssi irb pry "~rails console"'
+
+# User defined processes that are restored
+#  'false' - nothing is restored
+#  ':all:' - all processes are restored
+#
+# user defined list of programs that are restored:
+#  'my_program foo another_program'
+restore_processes_option="@session-saver-processes"
+restore_processes=""
+
+# Defines part of the user variable. Example usage:
+#   set -g @session-saver-strategy-vim "session"
+restore_process_strategy_option="@session-saver-strategy-"