Mac bash profile to add Git, nice prompt and ls colours, bash completion (requires brew install bash-completion)

.bash_profile

if [ -f /usr/local/etc/bash_completion ]; then
  . /usr/local/etc/bash_completion
fi

PS1='\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
unset color_prompt force_color_prompt

# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm*|rxvt*)
    PS1="\[\e]0;\u@\h: \w\a\]$PS1"
    ;;
*)
    ;;
esac

export CLICOLOR=1
export LSCOLORS=ExFxBxDxCxegedabagacad
alias ls='ls -GFh'

function git_color ()
{
    # Get the status of the repo and chose a color accordingly
    local STATUS=`git status 2>&1`
    if [[ "$STATUS" == *'Not a git repository'* ]]
    then
        echo ""
    else
        if [[ "$STATUS" != *'working directory clean'* ]]
        then
            # red if need to commit
            echo -e '\033[0;31m'
        else
            if [[ "$STATUS" == *'Your branch is ahead'* ]]
            then
                # yellow if need to push
                echo -e '\033[0;33m'
            else
                # else cyan
                echo -e '\033[0;36m'
            fi
        fi
    fi
}


function diary {
  [ -d ~/diary ] || mkdir ~/diary
  vim /Users/$USER/diary/$(date +%Y-%m-%d).md
}


function parse_git_branch {
    ref=$(git symbolic-ref HEAD 2> /dev/null) || return
    echo "("${ref#refs/heads/}")"
}

export -f git_color 
export -f diary
export -f parse_git_branch
export PS1='\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w \[$(git_color)\]$(parse_git_branch)\[\033[00m\] \$ '


export GOPATH=$HOME/go
export PATH=$PATH:$GOPATH/bin/:$HOME/flutter/bin
export CDPATH=.:$GOPATH/src/

export HISTCONTROL=ignoredups:erasedups  # no duplicate entries
export HISTSIZE=100000                   # big big history
export HISTFILESIZE=100000               # big big history
shopt -s histappend                      # append to history, don't overwrite it

# Save and reload the history after each command finishes
export PROMPT_COMMAND="history -a; history -c; history -r; $PROMPT_COMMAND"

Hardcoded path to brew as it's slow as balls - also removed debian root stuff which isn't relevant