add tmux plugin: tmux-sidebar

A sidebar with the directory tree for the current path. Tries to make tmux more IDE like.

.tmux/scripts/save_sidebar_width.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+source "$CURRENT_DIR/helpers.sh"
+source "$CURRENT_DIR/variables.sh"
+
+DIR_PATH="$(echo "$1" | tail -1)" # fixes a bug with invalid param
+WIDTH="$2"
+delimiter=$'\t'
+
+replace_directory_width() {
+	sed "s|^${DIR_PATH}${delimiter}.*|${DIR_PATH}${delimiter}${WIDTH}|g" $(sidebar_file) > $(sidebar_file).bak
+	mv $(sidebar_file).bak $(sidebar_file)
+}
+
+add_directory_width() {
+	mkdir -p "$(sidebar_dir)"
+	echo "${DIR_PATH}${delimiter}${WIDTH}" >> $(sidebar_file)
+}
+
+save_sidebar_width() {
+	if directory_in_sidebar_file "$DIR_PATH"; then
+		replace_directory_width
+	else
+		add_directory_width
+	fi
+}
+
+main() {
+	save_sidebar_width
+}
+main