Restoring tmux sessions works

scripts/session_restorer.sh

@@ -0,0 +1,84 @@
+#!/usr/bin/env bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+source "$CURRENT_DIR/helpers.sh"
+
+window_exists() {
+	local session_name="$1"
+	local window_number="$2"
+	tmux list-windows -t "$session_name" -F "#{window_index}" 2>/dev/null |
+		\grep -q "^$window_number$"
+}
+
+session_exists() {
+	local session_name="$1"
+	tmux has-session -t "$session_name" 2>/dev/null
+}
+
+first_window_num() {
+	tmux show -gv base-index
+}
+
+tmux_socket() {
+	echo $TMUX | cut -d',' -f1
+}
+
+new_window() {
+	local session_name="$1"
+	local window_number="$2"
+	local window_name="$3"
+	local dir="$4"
+	tmux new-window -d -t "${session_name}:${window_number}" -n "$window_name" -c "$dir"
+}
+
+new_session() {
+	local session_name="$1"
+	local window_number="$2"
+	local window_name="$3"
+	local dir="$4"
+	TMUX="" tmux -S "$(tmux_socket)" new-session -d -s "$session_name" -n "$window_name" -c "$dir"
+	# change first window number if necessary
+	local created_window_num="$(first_window_num)"
+	if [ $created_window_num -ne $window_number ]; then
+		tmux move-window -s "${session_name}:${created_window_num}" -t "${session_name}:${window_number}"
+	fi
+}
+
+new_pane() {
+	local session_name="$1"
+	local window_number="$2"
+	local window_name="$3"
+	local dir="$4"
+	tmux split-window -d -t "${session_name}:${window_number}" -c "$dir"
+}
+
+restore_pane() {
+	local pane="$1"
+	echo "$pane" |
+	while IFS=$'\t' read session_name window_number window_name dir; do
+		# echo "$session_name - $window_number - $window_name - $dir"
+		if window_exists "$session_name" "$window_number"; then
+			echo "new pane $session_name $window_number"
+			new_pane "$session_name" "$window_number" "$window_name" "$dir"
+		elif session_exists "$session_name"; then
+			echo "new window $session_name $window_number"
+			new_window "$session_name" "$window_number" "$window_name" "$dir"
+		else
+			echo "new session $session_name"
+			new_session "$session_name" "$window_number" "$window_name" "$dir"
+		fi
+	done
+}
+
+restore_all_sessions() {
+	while read line; do
+		restore_pane "$line"
+	done < $HOME/.tmux/session
+	display_message "Restored all Tmux sessions!"
+}
+
+main() {
+	restore_all_sessions
+}
+main