Adding SVN/GIT branch to Git Bash (Windows)

ps1_branch.sh

#!/bin/bash

function svn_branch {
  svn_info="$(svn info | egrep '^URL: ' 2> /dev/null)"
  branch_pattern="^URL: .*/(branches|tags)/([^/]+)"
  trunk_pattern="^URL: .*/trunk(/.*)?$"
  if [[ ${svn_info} =~ $branch_pattern ]]; then
    branch=${BASH_REMATCH[2]}
  elif [[ ${svn_info} =~ $trunk_pattern ]]; then
    branch='trunk'
  fi
}

function git_branch {
  git_status="$(git status 2> /dev/null)"
  branch_pattern="^[# ]*On branch ([^${IFS}]*)"    
  if [[ ${git_status} =~ ${branch_pattern} ]]; then
    branch=${BASH_REMATCH[1]}
  fi
}

function branch {
  branch=""
  if [ -d .git ]; then
    git_branch
  elif [ -d .svn ]; then
    svn_branch
  fi
  
  if [ ! -z $branch ]; then
    echo "($branch)"
  fi
}
 
function set_ps1 { 
  PS1="\[\033]0;$TITLEPREFIX:$PWD\007\]\n\[\033[32m\]\u@\h \[\033[35m\]$MSYSTEM \[\033[33m\]\w\[\033[36m\] `branch` \[\033[0m\]\n$ "
}

PROMPT_COMMAND=set_ps1