dev.commands.sh

# ENV
export MVN_HOME=~/tools/apache-maven-3
export ANT_HOME=~/tools/apache-ant-1.9.6
export VAGRANT_DEFAULT_PROVIDER=virtualbox
export WORKSPACE=~/Workspace
export PATH="$(brew --prefix homebrew/php/php70)/bin:~/bin:~/.composer/vendor/bin:~/tools/apache-maven-3/bin:$ANT_HOME/bin:~/packer:$PATH"

# Coloured ls
export CLICOLOR=1
export LSCOLORS=GxFxCxDxBxegedabagaced
alias ls='ls -GFh'
alias ll='ls -la'

# General
alias subl='/Applications/Sublime\ Text.app/Contents/SharedSupport/bin/subl'
alias prettyjson='python -m json.tool'
alias nospace='egrep -v "^#|^[[:space:]]*$"'

# https://nektony.com/products/funter OSX tool - Show/Hide hidden files in Finder
alias showhidden='defaults write com.apple.finder AppleShowAllFiles TRUE && killall Finder'
alias hidehidden='defaults write com.apple.finder AppleShowAllFiles FALSE && killall Finder'

# Force empty the trash
alias forceempty='sudo rm -rf ~/.Trash; sudo rm -rf /Volumes/*/.Trashes;'

# Reset to last commit and remove untracked files and directories.
alias nah='git reset --hard; git clean -df'

# Laravel Artisan
alias art='php artisan'
alias artisan='php artisan'

# PHP Testing
alias phpspec='vendor/bin/phpspec'
alias phpunit='vendor/bin/phpunit'


# Vagrant conveniences
alias vagrant='HOMESTEADVM='\''centos'\'' vagrant'
alias print_vagrant_ids='[ -e .vagrant/machines/default/virtualbox/id ] && echo -e "\n$(VBoxManage list vms | grep $(cat .vagrant/machines/default/virtualbox/id))"'
alias v_glob='vagrant global-status --prune'
alias v_kill='print_vagrant_ids; vagrant destroy -f'
alias v_noprov='vagrant up --no-provision'
alias v_stat='vagrant status'
alias vagrant='HOMESTEADVM='\''centos'\'' vagrant'

# Common commands
#source ~/bin/dev.commands.sh

# .NET https://github.com/tonysneed/VsCode-AspNet5-OsX , http://stackoverflow.com/questions/29952630/how-to-get-the-dnu-command-working-on-os-x
source dnvm.sh

# Auto Complete in BASH
if [ -f `brew --prefix`/etc/bash_completion ]; then
    source `brew --prefix`/etc/bash_completion
fi

if [ -f `brew --prefix`/etc/bash_completion.d/vagrant ]; then
    source `brew --prefix`/etc/bash_completion.d/vagrant
fi

confirm () {
    # call with a prompt string or use a default
    read -r -p "${1:-Are you sure? [y/N]} " response
    case $response in
        [yY][eE][sS]|[yY]) 
            true
            ;;
        *)
            false
            ;;
    esac
}

# Maven and JAVA on command line
function java6 () {
  JAVA_HOME=/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
  export JAVA_HOME
}

function java7 () {
  JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.7/Contents/Home
  export JAVA_HOME
}

function java8 () {
  JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8/Contents/Home
  export JAVA_HOME
}

function mvnhome32() {
  MVN_HOME=~/tools/apache-maven-3.2.5
  export MVN_HOME
  rm -f ~/tools/apache-maven-3
  ln -s $MVN_HOME ~/tools/apache-maven-3 
}

function mvnhome33() {
  MVN_HOME=~/tools/apache-maven-3.3.9
  export MVN_HOME
  rm -f ~/tools/apache-maven-3
  ln -s $MVN_HOME ~/tools/apache-maven-3 
}

function termtitle() {
  printf "\033]0;%s\007" "$1"
}

# http://brettterpstra.com/2009/11/17/my-new-favorite-bash-prompt/
function fmt_time() { #format time just the way I likes it
    if [ `date +%p` = "PM" ]; then
        meridiem="pm"
    else
        meridiem="am"
    fi
    date +"%l:%M:%S$meridiem"|sed 's/ //g'
}

function pwdtail() { #returns the last 2 fields of the working directory
    pwd|awk -F/ '{nlast = NF -1;print $nlast"/"$NF}'
}


function op() {
  
  #export GREEN="\033[0;32m"
  #export RED="\033[0;31m"
  RESETCOLOR="\033[0;00m"

  RESETCOLOR="$(tput setaf 0 2>/dev/null || echo '\e[0;00m')"  # Black
  BLACK="$(tput setaf 0 2>/dev/null || echo '\e[0;30m')"  # Black
  RED="$(tput setaf 1 2>/dev/null || echo '\e[0;31m')"  # Red
  GREEN="$(tput setaf 2 2>/dev/null || echo '\e[0;32m')"  # Green
  YELLOW="$(tput setaf 3 2>/dev/null || echo '\e[0;33m')"  # Yellow
  BLUE="$(tput setaf 4 2>/dev/null || echo '\e[0;34m')"  # Blue
  PURPLE="$(tput setaf 5 2>/dev/null || echo '\e[0;35m')"  # Purple
  CYAN="$(tput setaf 6 2>/dev/null || echo '\e[0;36m')"  # Cyan
  WHITE="$(tput setaf 7 2>/dev/null || echo '\e[0;37m')"  # White

  rootfolder="${WORKSPACE:-~/Documents}"
  
  found=0      # 0 = Not Found; 1 = Found
  project="$1" # Name of project given
  repo="$2"    # Name of repository given
  count=0      # Array counter

  # Following is in order of preference
  if [[ $repo != "" ]]; then # Change to project repo
    directories[$count]=$rootfolder/$project/$repo; ((count++));
    directories[$count]=$rootfolder/stash-$project/$repo; ((count++));
    directories[$count]=$rootfolder/stash-${project}*/bgdevlab-${repo}; ((count++));
    directories[$count]=$rootfolder/stash-${project}*/${repo}*; ((count++));
  fi

  # Usually webapp is the common repo if no repo was specified
  directories[$count]=$rootfolder/$project/webapp; ((count++));
  directories[$count]=$rootfolder/stash-$project/webapp; ((count++));
  directories[$count]=$rootfolder/$project/$project; ((count++));
  directories[$count]=$rootfolder/stash-$project/$project; ((count++));
  directories[$count]=$rootfolder/$project; ((count++));
  directories[$count]=$rootfolder/stash-$project; ((count++));
  directories[$count]=$rootfolder/stash-${project}*; ((count++));

  # Look for possible project folders and change into it if one found.
  for dir in ${directories[@]}; do
    if [[ -d $dir ]]; then
      found=1
      cd $dir
      echo -e "Changed directory to: '${GREEN}$dir${RESETCOLOR}'"
      break
    fi
  done

  termtitle "$(pwdtail)"
  
  # Was folder changed?
  if [[ $found == 0 ]]; then
    echo -e "${RED}Project directory '$dir' not found!${RESETCOLOR}"
  fi
}

# Command PROMPT FILE 
# Different options for prompts

function parentpath() {
  current="$(pwd)"
  parent="$(basename $(dirname "$(pwd)"))"
  if [ "$current" != ~ ] && [ "$current" != '/' ] && [ "$parent" != '/' ]; then
    echo "[${parent}]"
  fi
}

find_git_branch() {
  # Based on: http://stackoverflow.com/a/13003854/170413
  # These are taken from https://github.com/jimeh/git-aware-prompt
  local branch
  if branch=$(git rev-parse --abbrev-ref HEAD 2> /dev/null); then
    if [[ "$branch" == "HEAD" ]]; then
      branch='detached*'
    fi
    git_branch="$branch"
  else
    git_branch=""
  fi
  #RESET=$(tput sgr0)
  #[ ! -z "${git_branch}" ]  && echo "[${git_branch}]$RESET " || echo "$RESET"

}

find_git_dirty() {
  # These are taken from https://github.com/jimeh/git-aware-prompt
  local status=$(git status --porcelain 2> /dev/null)
  if [[ "$status" != "" ]]; then
    git_dirty='*'
  else
    git_dirty=''
  fi
  #echo "${git_dirty}"
}

# http://www.tldp.org/HOWTO/Bash-Prompt-HOWTO/x264.html
# Bash provides an environment variable called PROMPT_COMMAND. The contents of this variable are executed as a regular Bash command just before Bash displays a prompt.
PROMPT_COMMAND="find_git_branch; find_git_dirty; $PROMPT_COMMAND"


function prompt_custom () {

  # Regular 
  BLACK="$(tput setaf 0 2>/dev/null || echo '\e[0;30m')"  # Black
  RED="$(tput setaf 1 2>/dev/null || echo '\e[0;31m')"  # Red
  GREEN="$(tput setaf 2 2>/dev/null || echo '\e[0;32m')"  # Green
  YELLOW="$(tput setaf 3 2>/dev/null || echo '\e[0;33m')"  # Yellow
  BLUE="$(tput setaf 4 2>/dev/null || echo '\e[0;34m')"  # Blue
  PURPLE="$(tput setaf 5 2>/dev/null || echo '\e[0;35m')"  # Purple
  CYAN="$(tput setaf 6 2>/dev/null || echo '\e[0;36m')"  # Cyan
  WHITE="$(tput setaf 7 2>/dev/null || echo '\e[0;37m')"  # White

  # Bold
  BLACKBOLD="$(tput setaf 0 2>/dev/null)$(tput bold 2>/dev/null || echo '\e[1;30m')"  # Black
  REDBOLD="$(tput setaf 1 2>/dev/null)$(tput bold 2>/dev/null || echo '\e[1;31m')"  # Red
  GREENBOLD="$(tput setaf 2 2>/dev/null)$(tput bold 2>/dev/null || echo '\e[1;32m')"  # Green
  YELLOWBOLD="$(tput setaf 3 2>/dev/null)$(tput bold 2>/dev/null || echo '\e[1;33m')"  # Yellow
  BLUEBOLD="$(tput setaf 4 2>/dev/null)$(tput bold 2>/dev/null || echo '\e[1;34m')"  # Blue
  PURPLEBOLD="$(tput setaf 5 2>/dev/null)$(tput bold 2>/dev/null || echo '\e[1;35m')"  # Purple
  CYANBOLD="$(tput setaf 6 2>/dev/null)$(tput bold 2>/dev/null || echo '\e[1;36m')"  # Cyan
  WHITEBOLD="$(tput setaf 7 2>/dev/null)$(tput bold 2>/dev/null || echo '\e[1;37m')"  # White

  REVERSE=$(tput rev)
  RESET=$(tput sgr0)

  #export PS1="$BLUE[\$(parentpath)][\W]$DKGRAY$BRANCH $GREEN $RESETCOLOR"
  export PS1="\[$GREEN\]\[$REVERSE\]\$git_branch\[$RESET\]\[$BLUE\]\$(parentpath)[\W]\[$RESET\]$git_dirty\$ "
  export PS2="> "
  export SUDO_PS1="\[$PURPLE\]\u@\h\[$RESET\] \w\$ "
}

prompt_custom

Issue I have with this is strange wrapping onto the same line and oddities when deleting characters, any ideas?