.bashrc

[ -z "$PS1" ] && return

export HISTCONTROL=ignoredups:erasedups 
export HISTSIZE=8192
export HISTFILESIZE=8192

## http://wiki.bash-hackers.org/internals/shell_options
shopt -s expand_aliases
shopt -s cdspell
shopt -s hostcomplete
shopt -s globstar
shopt -s checkwinsize
shopt -s histappend
shopt -s autocd
#shopt -s extglob


hash fortune &>/dev/null && fortune -a


#export PS1='\[\033[0;31m\][\A]\[\033[0;m\][\[\033[0;34m\]\u\[\033[0m\]@\[\033[0;33m\]\h\[\033[0;m\]:\w]\[\033[0;32m\]\$ \[\033[0m\]'
export txtblk='\e[0;30m' # Black - Regular
export txtred='\e[0;31m' # Red
export txtgrn='\e[0;32m' # Green
export txtylw='\e[0;33m' # Yellow
export txtblu='\e[0;34m' # Blue
export txtpur='\e[0;35m' # Purple
export txtcyn='\e[0;36m' # Cyan
export txtwht='\e[0;37m' # White
export bldblk='\e[1;30m' # Black - Bold
export bldred='\e[1;31m' # Red
export bldgrn='\e[1;32m' # Green
export bldylw='\e[1;33m' # Yellow
export bldblu='\e[1;34m' # Blue
export bldpur='\e[1;35m' # Purple
export bldcyn='\e[1;36m' # Cyan
export bldwht='\e[1;37m' # White
export unkblk='\e[4;30m' # Black - Underline
export undred='\e[4;31m' # Red
export undgrn='\e[4;32m' # Green
export undylw='\e[4;33m' # Yellow
export undblu='\e[4;34m' # Blue
export undpur='\e[4;35m' # Purple
export undcyn='\e[4;36m' # Cyan
export undwht='\e[4;37m' # White
export bakblk='\e[40m'   # Black - Background
export bakred='\e[41m'   # Red
export badgrn='\e[42m'   # Green
export bakylw='\e[43m'   # Yellow
export bakblu='\e[44m'   # Blue
export bakpur='\e[45m'   # Purple
export bakcyn='\e[46m'   # Cyan
export bakwht='\e[47m'   # White
export txtrst='\e[0m'    # Text Reset

function __cprompt() {
	## http://wiki.archlinux.org/index.php/Color_Bash_Prompt
	#me no understand why promt different escapes for colors? me stupid :(
	local txtblk="\[\033[0;30m\]" # Black - Regular
	local txtred="\[\033[0;31m\]" # Red
	local txtgrn="\[\033[0;32m\]" # Green
	local txtylw="\[\033[0;33m\]" # Yellow
	local txtblu="\[\033[0;34m\]" # Blue
	local txtpur="\[\033[0;35m\]" # Purple
	local txtcyn="\[\033[0;36m\]" # Cyan
	local txtwht="\[\033[0;37m\]" # White
	local bldblk="\[\033[1;30m\]" # Black - Bold
	local bldred="\[\033[1;31m\]" # Red
	local bldgrn="\[\033[1;32m\]" # Green
	local bldylw="\[\033[1;33m\]" # Yellow
	local bldblu="\[\033[1;34m\]" # Blue
	local bldpur="\[\033[1;35m\]" # Purple
	local bldcyn="\[\033[1;36m\]" # Cyan
	local bldwht="\[\033[1;37m\]" # White
	local unkblk="\[\033[4;30m\]" # Black - Underline
	local undred="\[\033[4;31m\]" # Red
	local undgrn="\[\033[4;32m\]" # Green
	local undylw="\[\033[4;33m\]" # Yellow
	local undblu="\[\033[4;34m\]" # Blue
	local undpur="\[\033[4;35m\]" # Purple
	local undcyn="\[\033[4;36m\]" # Cyan
	local undwht="\[\033[4;37m\]" # White
	local bakblk="\[\033[40m\]"   # Black - Background
	local bakred="\[\033[41m\]"   # Red
	local badgrn="\[\033[42m\]"   # Green
	local bakylw="\[\033[43m\]"   # Yellow
	local bakblu="\[\033[44m\]"   # Blue
	local bakpur="\[\033[45m\]"   # Purple
	local bakcyn="\[\033[46m\]"   # Cyan
	local bakwht="\[\033[47m\]"   # White
	local txtrst="\[\033[0m\]"    # Text Reset


	local gitPrompt gitBranch
	gitBranch=$(git rev-parse --abbrev-ref HEAD 2>/dev/null)
	#echo $?
	if [ $? -eq 0 ]; then
		local gitClean gitStaged
		# ⚙⩲★⚕
		git diff --no-ext-diff --quiet --exit-code 2>/dev/null || gitClean="⚡"
		if git rev-parse --quiet --verify HEAD >/dev/null; then
			git diff-index --cached --quiet HEAD -- || gitStaged="★"
		fi
		
		gitPrompt=" ${txtcyn}[${gitBranch}${bldred}${gitStaged}${bldylw}${gitClean}${txtcyn}]"
	fi
	local SEP_COLOR DIR_COLOR USER_COLOR HOST_COLOR PROMPT_CHAR PROMPT_CHAR_COLOR
	if [ -w . ]; then
		local DIR_COLOR="${bldwht}"
	else
		local DIR_COLOR="${bakylw}${bldblk}"
	fi
	
	if [ $UID -eq 0 ]; then
		USER_COLOR="${bldred}"
		PROMPT_CHAR="#"
	else
		USER_COLOR="${txtblu}"
		PROMPT_CHAR="\$"
		PROMPT_CHAR_COLOR="${txtgrn}"
	fi
	HOST_COLOR="${txtylw}"
	SEP_COLOR="${txtrst}${bldwht}"
	TIME_COLOR="${txtwht}"
	[ -z "$PROMPT_CHAR_COLOR" ] && PROMPT_CHAR_COLOR="$USER_COLOR"
	export PS1="${TIME_COLOR}[\A]${SEP_COLOR}[${USER_COLOR}\u${SEP_COLOR}@${HOST_COLOR}\h${SEP_COLOR}:${DIR_COLOR}\w${SEP_COLOR}]${gitPrompt}${PROMPT_CHAR_COLOR}${PROMPT_CHAR}${txtrst} "
}


function __prompt_command () {
	__cprompt
	history -a
	#history -c
	#history -r
}

export PROMPT_COMMAND='__prompt_command'


## colors!
alias grep='grep --color=auto'
alias ls='ls --color=auto'
eval $(dircolors -b)
hash colordiff &>/dev/null && alias diff='colordiff'
hash colorsvn &>/dev/null && alias svn='colorsvn'

export LESS=' -R'

## other
alias back='cd -'
alias ...='cd ../..'
alias ....='cd ../../..'

hash aria2c &>/dev/null && alias dl='aria2c --auto-file-renaming=false --file-allocation=falloc -Z -s 1 -c'


# manpage colors
export LESS_TERMCAP_mb=$(printf "$bldwht")
export LESS_TERMCAP_md=$(printf "$bldblu")
export LESS_TERMCAP_me=$(printf "$txtrst")
export LESS_TERMCAP_se=$(printf "$txtrst")
export LESS_TERMCAP_so=$(printf "\e[1;47;30m")
export LESS_TERMCAP_ue=$(printf "$txtrst")
export LESS_TERMCAP_us=$(printf "$txtcyn")
function env() {
	exec /usr/bin/env "$@" | grep -v ^LESS_TERMCAP_
}

## utility functions
function calc() {
	echo "$*" | bc 
}

function cs() {
	cd "$1"
	ls
}

function dirselect() {
	local possibleDirs
	declare -a possibleDirs=("${!1}")
	local i
	local dir
	local dirs=()
	let i=0
	for dir in "${possibleDirs[@]}"; do
		if [ -d "$dir" ] && [ -x "$dir" ]; then
			echo -e "$bldwht[$bldred${i}$bldwht]$txtrst $dir"
			dirs[$i]="$dir"
			let i++
		fi
	done
	if [ ${#dirs[*]} -eq 1 ]; then
		cs "${dirs[0]}"
	elif [ ${#dirs[*]} -gt 1 ]; then
		echo -n -e "$bldred>>$txtrst "
		local sel
		read sel
		if [ ! -z "${dirs[$sel]}" ]; then
			cs "${dirs[$sel]}"
		fi
	fi
}

#jump to located dir
function ldir() {
	if [ -z "$1" ]; then
		return
	fi
	local lresult
	mapfile -t lresult < <(locate -b -e -q -- "$1"|grep -Pv '\/\.'|sort)
	dirselect lresult[@]
}

# bookmark directory
function bmdir() {
	local dir
	if [ -z "$1" ]; then
		dir="$PWD"
	else
		dir="$1"
	fi
	local edir
	if [ -f ~/.bmdir ]; then
		while read -r edir; do
			if [ "$dir" == "$edir" ]; then
				echo "already bookmarked"
				return
			fi
		done < ~/.bmdir
	fi
	echo "$dir">>~/.bmdir
}

#jump to bookmark
function jbm() {
	if [ ! -f ~/.bmdir ]; then
		return
	fi
	local lresult
	mapfile -t lresult < <(grep -i -e "$1"< ~/.bmdir)
	dirselect lresult[@]
}

#function spam() {
#	curl -s --basic --user "${TUSER}:${TPASSWORD}" --data-urlencode status@- http://twitter.com/statuses/update.xml
#}

# http://pastebin.com/api.php
function pastebin() {
	curl -s --data-urlencode paste_code@- -d paste_name="$USER" -d paste_expire_date=N http://pastebin.com/api_public.php|tail -n 1
	echo
}

function sprunge() {
	curl -F 'sprunge=<-' http://sprunge.us
}


[ -f /etc/arch-release ] && . ~/.bashrc-archlinux
if [ -f ~/git-completion.bash ]; then
	. ~/git-completion.bash
elif [ -f /usr/share/git/completion/git-completion.bash ]; then
	. /usr/share/git/completion/git-completion.bash
fi