diff --git a/README.md b/README.md
index 144d157..2e93d7e 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,10 @@ Repository of config files, scripts and other staff to enable quick and easy con
 ## Quick start
 
 Add to $HOME/.bashrc file:
-`source <full_path_to_repository>/bashrc`
+
+```bash
+source $full_path_to_repository/bashrc
+```
 
 After that each bash login is ready to offer full functionality.
 
diff --git a/scripts/install-packages.sh b/scripts/install-packages.sh
new file mode 100755
index 0000000..0f0cf2d
--- /dev/null
+++ b/scripts/install-packages.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+set -E -o errexit -o nounset -o pipefail
+
+cat $LWS/conf/packages.txt | grep -v '^\s*#' | sudo xargs apt-get install -y
diff --git a/scripts/sudo-user.sh b/scripts/sudo-user.sh
index e8d5ea5..b8ee8c9 100755
--- a/scripts/sudo-user.sh
+++ b/scripts/sudo-user.sh
@@ -4,7 +4,7 @@ set -E -o errexit -o nounset -o pipefail
 
 USER_FILE="/etc/sudoers.d/$USER"
 
-if [ -f $USER_FILE ]; then
+if [[ -f $USER_FILE ]]; then
   echo "Sudo file $USER_FILE already exists!"
   exit 1
 fi
diff --git a/src/battery/.editorconfig b/src/battery/.editorconfig
index 17b61f1..46eec62 100644
--- a/src/battery/.editorconfig
+++ b/src/battery/.editorconfig
@@ -1,9 +1,8 @@
-# defaults
 [*]
-charset=utf-8
+charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
-end_of_line=lf
+end_of_line = lf
 indent_size = 4
 indent_style = space
 
@@ -13,20 +12,14 @@ indent_style = tab
 [*.xml]
 continuation_indent_size = 8
 
-# YAML
-# http://yaml.org/spec/1.2/2009-07-21/spec.html#id2576668
 [*.{yaml,yml}]
 indent_size = 2
 
-# Shell
-# https://google.github.io/styleguide/shell.xml#Indentation
 [*.{bash,sh,zsh}]
 indent_size = 2
 
-# HTML
-# https://google.github.io/styleguide/htmlcssguide.xml#General_Formatting_Rules
 [*.{htm,html}]
 indent_size = 2
 
 [*.json]
-indent_size=2
+indent_size = 2