bashrc

# If not running interactively, don't do anything
[ -z "$PS1" ] && return

#
# PATH
#
function pathadd () {
	if [ -d "$1" ] && [[ ":$PATH:" != *":$1:"* ]]; then
		export PATH="$1${PATH:+":$PATH"}"
	fi
}

pathadd ~/.cask/bin
pathadd ~/bin

#
# DIRECTORIES
#
export DOCS="$HOME/Documents"
export DROPBOX="$HOME/Dropbox"
export NOTES="$DROPBOX/Notes"
export CODE="$HOME/src"

#
# EDITOR
#
hash vim &>/dev/null && export EDITOR=vim

#
# TERM
#
case "$TERM" in
	xterm*) TERM=xterm-256color
esac

#
# HISTORY
#
# Don't put duplicate lines in the history. See bash(1) for more options.
export HISTCONTROL=ignoredups

#
# COLORS
#
export CLICOLOR=1
export GREP_OPTIONS='--color=auto'

#
# OTHER
#
export FTP_PASSIVE=1

#
# BOXEN
#
[ -f /opt/boxen/env.sh ] && source /opt/boxen/env.sh

#
# RUBY
#
# Manage Ruby via rbenv
hash rbenv &>/dev/null && eval "$(rbenv init -)"

#
# COMPLETION
#
if hash brew &>/dev/null && [ -f $(brew --prefix)/etc/bash_completion ]; then
	source $(brew --prefix)/etc/bash_completion
fi

[ -f ~/.fzf.bash ] && source ~/.fzf.bash

#
# PROMPT
#
GIT_PS1_SHOWDIRTYSTATE=1
GIT_PS1_SHOWSTASHSTATE=1

function prompt_func () {
	local exit_status=$?;

	local PROMPTCOLOR="\[\e[1;93m\]"
	local BOLDCOLOR="\[\e[1;33m\]"
	local GREEN="\[\e[1;32m\]"
	local RED="\[\e[1;31m\]"
	local BLACK="\[\e[90m\]"
	local NOCOLOR="\[\e[0m\]"

	local PREFIX=">"

	local prompt="${PREFIX} ${PROMPTCOLOR}\w"
	type -t __git_ps1 &>/dev/null && prompt="${prompt}${BOLDCOLOR}$(__git_ps1 ' ± %s')"

	if [ $exit_status -eq 0 ] ; then
		PS1="${GREEN}${prompt} ${NOCOLOR}"
	else
		PS1="${RED}${prompt} ${NOCOLOR}"
	fi

	PS2="${BLACK}${PREFIX} ${NOCOLOR}"
}

# Number of path components to include in \w
PROMPT_DIRTRIM=2
PROMPT_COMMAND=prompt_func

#
# ALIASES
#
# Defaults for tree (color, show hidden, ignore version control)
alias tree="tree -Ca -I '.svn|.git' --dirsfirst"

# a - Show hidden
# h - Human-readable file sizes
# l - Long format
alias ll='ls -hl'
alias la='ls -ahl'

# Git abbreviations
function g () {
	git ${@:-status --short}
}
alias ga='git add'
alias gb='git branch'
alias gc='git commit'
alias gca='git commit -a'
alias gcl='git clone'
alias gco='git checkout'
alias gd='git diff'
alias gdc='git diff --cached'
alias gf='git fetch'
alias gg='git g'
alias ggg='git graph'
alias gl='git log'
alias gp='git push'
alias gpu='git pull'
alias gs='git status'

#
# FUNCTIONS
#
# Print PATH in readable form.
function path () {
	IFS_OLD=$IFS
	IFS=:
	printf "%s\n" $PATH
	IFS=$IFS_OLD
}

# Attach to existing tmux session rather than create a new one if possible.
function tmux () {
	if [[ -n "$*" ]]; then
		command tmux $*
	else
		command tmux attach -d &>/dev/null || command tmux
	fi
}

# Call Whitaker's Words without having to cd to its directory
function ww () {
	pushd ~/bin/words &>/dev/null
	./words $*
	popd &>/dev/null
}

# Add shortcut for English-Latin
alias we='ww ~e'

# Interactive Words shell
function wi () {
	echo -n "> "
	while read line
	do
		ww $line
		echo -n "> "
	done
}