show branch name in your prompt

.bashrc

function parse_git_branch {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\ \[\1\]/'
}

# path prompt
export PS1="\h:\w\$(parse_git_branch)\$ "

# make bash use vi mode. You are by default in "insert" mode, so you have to hit escape to get to the commands
set -o vi