Introduce install script

install.sh

+#chromebrew directories
+CBREW_PREFIX=/usr/local
+CBREW_LIB_PATH=$CBREW_PREFIX/lib/cbrew/
+CBREW_CONFIG_PATH=$CBREW_PREFIX/etc/cbrew/
+CBREW_BREW_DIR=$CBREW_PREFIX/tmp/cbrew/
+CBREW_PACKAGES_PATH=$CBREW_LIB_PATH/packages
+
+#prepare directories
+mkdir -p $CBREW_LIB_PATH
+mkdir -p $CBREW_CONFIG_PATH
+mkdir -p $CBREW_CONFIG_PATH/meta
+mkdir -p $CBREW_BREW_DIR
+mkdir -p $CBREW_PACKAGES_PATH
+
+#cd into the brew directory, everything will happen there
+cd $CBREW_BREW_DIR
+
+#download ruby
+echo "Downloading ruby..."
+architecture=$(uname -m)
+
+case "$architecture" in
+"i686")
+  link='https://dl.dropboxusercontent.com/s/tufbuqcn80ubypx/ruby-2.0.0p247-chromeos-i686.tar.gz?token_hash=AAGu_5wuqZe2eDOkfL5oh4esQ8HAZJIvbMG7GplnQrSa3g&dl=1'
+  echo $link
+  ;;
+esac
+
+wget --content-disposition $link
+
+#extract and install ruby
+echo "Extracting ruby (this may take a while)..."
+tar -xf ruby-2.0.0p247-chromeos-$architecture.tar.gz
+echo "Installing ruby (this may take a while)..."
+cp -r ./usr/* /usr
+mv ./dlist $CBREW_CONFIG_PATH/meta/ruby.directorylist
+mv ./filelist $CBREW_CONFIG_PATH/meta/ruby.filelist
+
+#download, prepare and install chromebrew
+wget https://raw.github.com/skycocker/chromebrew/master/cbrew
+chmod +x cbrew
+mv cbrew $CBREW_PREFIX/bin
+#install cbrew library
+cd $CBREW_LIB_PATH
+wget https://raw.github.com/skycocker/chromebrew/master/lib/package.rb
+wget https://github.com/skycocker/chromebrew/blob/master/lib/package_helpers.rb
+#create the device.json file
+cd $CBREW_CONFIG_PATH
+touch device.json
+echo "{" > device.json
+echo '  "architecture": "'$architecture'",' >> device.json
+echo '  "installed_packages": [' >> device.json
+echo '    {' >> device.json
+echo '      "name": "ruby",' >> device.json
+echo '      "version": "2.0.0p247"' >> device.json
+echo '    }' >> device.json
+echo '  ]' >> device.json
+echo "}" >> device.json
+
+#download git and its dependencies .rb package files
+cd $CBREW_PACKAGES_PATH
+wget https://raw.github.com/skycocker/chromebrew/master/packages/git.rb
+wget https://raw.github.com/skycocker/chromebrew/master/packages/zlib.rb
+wget https://raw.github.com/skycocker/chromebrew/master/packages/libssh2.rb
+wget https://raw.github.com/skycocker/chromebrew/master/packages/perl.rb
+wget https://raw.github.com/skycocker/chromebrew/master/packages/openssl.rb
+wget https://raw.github.com/skycocker/chromebrew/master/packages/curl.rb
+wget https://raw.github.com/skycocker/chromebrew/master/packages/expat.rb
+wget https://raw.github.com/skycocker/chromebrew/master/packages/gettext.rb
+wget https://raw.github.com/skycocker/chromebrew/master/packages/python.rb
+
+#install git
+cbrew install git
+
+#prepare sparse checkout .rb packages directory and do it
+cd $CBREW_LIB_PATH
+git init
+git remote add -f origin git@github.com:skycocker/chromebrew.git
+git config.sparsecheckout true
+echo packages >> .git/info/sparse-checkout
+git pull origin master
+
+echo "Chromebrew installed successfully and package lists updated."