.bash_aliases

# enable color support of ls and also add handy aliases
if [ -x /usr/bin/dircolors ]; then
    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
    alias ls='ls --color=auto'
    #alias dir='dir --color=auto'
    #alias vdir='vdir --color=auto'

    alias grep='grep --color=auto'
    alias fgrep='fgrep --color=auto'
    alias egrep='egrep --color=auto'
fi

# some more ls aliases
alias ll='ls -alFh'
alias la='ls -A'
alias l='ls -CF'

# Add an "alert" alias for long running commands.  Use like so:
#   sleep 10; alert
alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]\s*alert$//'\'')"'

__has_parent_dir () {

    # if pwd is root directory so not do anything
    if [ "$PWD" == "/" ]; then
        return 1;
    fi 

    # Utility function so we can test for things like .git/.hg without firing up a
    # separate process
    test -d "$1" && return 0;

    current="."
    while [ ! "$current" -ef "$current/.." ]; do

        if [ -d "$current/$1" ]; then
            return 0;
        fi
        current="$current/..";
    done

    return 1;
}

__vcs_name() {
    if [ -d .svn ]; then
        echo "[svn]";
    elif __has_parent_dir ".git"; then
        echo "[$(__git_ps1 'git %s')]";
    elif __has_parent_dir ".hg"; then
        echo "[hg $(hg branch)]"
    fi
}