Show git branch in bash prompt

.zshrc

# get git branch info using old bash function
# the zsh way to do this is vsc_info
function parse_git_branch {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/'
}

# add git branch version to prompt
setopt PROMPT_SUBST
PROMPT='%n@%m %1~$(parse_git_branch) %# '

gistfile1.sh

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

export PS1='\h:\W \u$(parse_git_branch)\$ '