Update bootstrap script

bootstrap-full.bash

@@ -1,11 +0,0 @@
-#!/usr/bin/env bash
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-
-source $DIR/bootstrap.bash
-
-ln -sf $DIR/vimrc_plugins ~/.vimrc
-
-sudo apt-get install -y build-essential cmake python-dev
-
-vim +PluginInstall +qall
-cd $DIR/vim/bundle/YouCompleteMe && ./install.sh

bootstrap.bash

@@ -1,15 +1,22 @@
 #!/usr/bin/env bash
 DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
-sudo apt-get install -y git vim-nox
+if ! which git >/dev/null; then
+    echo "Error: git is not installed"
+    exit 1
+fi
 
+# git
 git submodule update --init
-
-ln -sf $DIR/bashrc ~/.bashrc
-ln -sf $DIR/vimrc ~/.vimrc
-ln -sfT $DIR/vim ~/.vim
 ln -sf $DIR/gitconfig ~/.gitconfig
 
+# bash
+ln -sf $DIR/bashrc ~/.bashrc
 source ~/.bashrc
 
-vim +PluginInstall +qall
+# vim
+if which vim >/dev/null; then
+    ln -sfT $DIR/vim ~/.vim
+    ln -sf $DIR/vimrc ~/.vimrc
+    vim +PluginInstall +qall
+fi