read git-prompt and git-completion

.bashrc

@@ -1,3 +1,6 @@
+# for node.js
+export PATH=$PATH:/Users/kotaro.nishioka/.nodebrew/current/bin
+
 # aliases
 alias ll='ls -lF'
 alias la='ls -AF'
@@ -7,11 +10,22 @@ alias grep='grep --color=auto'
 
 alias py='python'
 
-# set alias to copy the content of a file to clipboard for Mac
+# set alias to copy the content of a file for Mac
 if [ "$(uname)" == 'Darwin' ]; then
   function cop() {
     cat $1 | pbcopy
   }
 
   alias cop=cop
 fi
+
+source $HOME/.git-prompt.sh
+source $HOME/.git-completion.bash
+
+GIT_PS1_SHOWDIRTYSTATE=1
+GIT_PS1_SHOWUPSTREAM=1
+GIT_PS1_SHOWUNTRACKEDFILES=1
+GIT_PS1_SHOWSTASHSTATE=1
+
+export PS1="\[\e[32m\]\h@\u \[\e[0m\]\W\[\e[36m\]\$(__git_ps1)\[\e[0m\]\n\$ "
+