bootstrap: implement directories.txt validation

bootstrap.sh

@@ -146,10 +146,14 @@ create_directories() {
     _loop_wrapper "${SCRIPT_DIR}/directories.txt" \
         'Creating directory $(echo $x | cut -d"," -f1)' \
         '
+            set -e
             dir=$(echo $x | cut -d"," -f1)
             mod=$(echo $x | cut -d"," -f2)
+            [ "$dir" = "$mod" ] && mod="755"
+            [ -d "${user_home}/${dir}" ] || mkdir -p "${user_home}/${dir}"
             sudo -u "$username" mkdir -p "${user_home}/${dir}"
             chmod "${mod}" "${user_home}/${dir}"
+            set +e
         '
     info "Done!"
 }