.bashrc

[ -z "$PS1" ] && return


# Colours
Black='\033[0;30m'
Red='\033[0;31m'
Green='\033[0;32m'
Yellow='\033[0;33m'
Blue='\033[0;34m'
Purple='\033[0;35m'
Cyan='\033[0;36m'
White='\033[0;37m'
Origin='\033[m'

# Bolds
sBlack='\033[1;30m'
sRed='\033[1;31m'
sGreen='\033[1;32m'
sYellow='\033[1;33m'
sBlue='\033[1;34m'
sPurple='\033[1;35m'
sCyan='\033[1;36m'
sWhite='\033[1;37m'

# Background
bBlack='\033[30m'
bRed='\033[31m'
bGreen='\033[32m'
bYellow='\033[33m'
bBlue='\033[34m'
bPurple='\033[35m'
bCyan='\033[36m'
bWhite='\033[37m'


ulimit -S -c 0


case "$OSTYPE" in
	darwin*)
		CPU_COUNT=$(sysctl hw.ncpu | awk '{print $2}')
		;;
	linux*)
		CPU_COUNT=$(grep -c 'processor' /proc/cpuinfo)
		;;
	*)
		CPU_COUNT=0
esac

LOAD1X=$(( 100*${CPU_COUNT} ))
LOAD2X=$(( 200*${CPU_COUNT} ))
LOAD4X=$(( 400*${CPU_COUNT} ))

function load() {
	local LOAD
	case "$OSTYPE" in
		darwin*)
			LOAD=$(sysctl -n vm.loadavg | cut -d ' ' -f2 | tr -d '.')
			;;
		linux*)
			LOAD=$(cut -d ' ' -f1 /proc/loadavg | tr -d '.')
			;;
		*)
			LOAD=0
	esac
	echo $(( 10#$LOAD ))
}

function usercolour() {
	if [ ${UID} -eq 0 ]; then
		printf ${Red}
	elif [[ ${USER} != $(logname) ]]; then
		printf ${Purple}
	else
		printf ${Cyan}
	fi
}

function hostcolour() {
	if [ -n "${SSH_CONNECTION}" ]; then
		printf ${Purple}
	else
		printf ${Cyan}
	fi
}

function loadcolour() {
	local LOAD=$(load)
	if [ ${LOAD} -gt ${LOAD2X} ]; then
		printf ${Red}
	elif [ ${LOAD} -gt ${LOAD1X} ]; then
		printf ${Yellow}
	else
		printf ${Green}
	fi
}

function diskcolour() {
	local USED=$(command df -P "${PWD}" | tail -1 | awk 'END {print $5}' | tr -d '%')
	if [ -s "${PWD}" ]; then
		if [ ${USED} -gt 95 ]; then
			printf ${Red}
		elif [ ${USED} -gt 90 ]; then
			printf ${Yellow}
		else
			printf ${Green}
		fi
	else
		printf ${Cyan}
	fi
}

function permcolour() {
	if [ -w "${PWD}" ]; then
		printf ${Green}
	elif [ -r "${PWD}" ]; then
		printf ${Yellow}
	else
		printf ${Red}
	fi
}

function jobcolour() {
	if [ $(jobs -s | wc -l) -gt 0 ]; then
		printf ${sRed}
	elif [ $(jobs -r | wc -l) -gt 0 ]; then
		printf ${sPurple}
	else
		printf ${sWhite}
	fi
}

function exitcolour() {
	if [ $RETVAR -ne 0 ]; then
		printf ${Yellow}
	else
		printf ${Green}
	fi
}


function getgitdir() {
	git rev-parse --git-dir 2>/dev/null
}

function getgitbranch() {
	git rev-parse --abbrev-ref HEAD 2>/dev/null
}

function getgitlocal() {
	git rev-parse @ 2>/dev/null
}

function getgitremote() {
	git rev-parse @{u} 2>/dev/null
}

function getgitbase() {
	git merge-base @ @{u} 2>/dev/null
}

function getgitps1string() {
	if [ ! -z $(getgitdir) ]; then
		local BRANCH=$(getgitbranch)
		local REPOSTAT=0
		local LOCAL=$(getgitlocal)
		local REMOTE=$(getgitremote)
		local BASE=$(getgitbase)
		local FILES=`git status --porcelain 2>/dev/null`
		local STAGEDADD=0
		local STAGEDMOD=0
		local STAGEDDEL=0
		local STAGED=''
		local UNTRACKEDADD=0
		local UNTRACKEDMOD=0
		local UNTRACKEDDEL=0
		local UNTRACKED=''
		local IFS=$'\n'
		for line in $FILES; do
			if [[ $line =~ ^A\ .* ]]; then
				((STAGEDADD+=1))
			elif [[ $line =~ ^M\ .* ]]; then
				((STAGEDMOD+=1))
			elif [[ $line =~ ^D\ .* ]]; then
				((STAGEDDEL+=1))
			elif [[ $line =~ ^\?\?.* ]]; then
				((UNTRACKEDADD+=1))
			elif [[ $line =~ ^\ M.* ]]; then
				((UNTRACKEDMOD+=1))
			elif [[ $line =~ ^\ D.* ]]; then
				((UNTRACKEDDEL+=1))
			fi
		done
		if (( STAGEDADD > 0 || STAGEDMOD > 0 || STAGEDDEL > 0 || UNTRACKEDADD > 0 || UNTRACKEDMOD > 0 || UNTRACKEDDEL > 0 )); then
			REPOSTAT=1
		elif [ ! -z $REMOTE ]; then
			if [ $LOCAL = $REMOTE ]; then
				REPOSTAT=0
			elif [ $LOCAL = $BASE ]; then
				REPOSTAT=3
			elif [ $REMOTE = $BASE ]; then
				REPOSTAT=2
			fi
		else
			REPOSTAT=0
		fi
		if [ $BRANCH = HEAD ]; then
			BRANCH=master
		fi
		STAGED="+$STAGEDADD *$STAGEDMOD -$STAGEDDEL"
		UNTRACKED="+$UNTRACKEDADD *$UNTRACKEDMOD -$UNTRACKEDDEL"
		printf "${sYellow}:"
		case $REPOSTAT in
			0)	printf "${sGreen}" ;;
			1)	printf "${sRed}" ;;
			2)	printf "${sCyan}" ;;
			3)	printf "${sPurple}" ;;
		esac
		printf "${BRANCH}"
		if (( STAGEDADD > 0 || STAGEDMOD > 0 || STAGEDDEL > 0 )); then
			printf " ${Green}${STAGED}"
			STAGED=""
		fi
		if (( UNTRACKEDADD > 0 || UNTRACKEDMOD > 0 || UNTRACKEDDEL > 0 )); then
			printf " ${Red}${UNTRACKED}"
			UNTRACKED=""
		fi
		printf "${Origin}"
	fi
}


PROMPT_COMMAND='RETVAR=$?'
case ${TERM} in
	linux|*term*)
		PS1="\[\$(loadcolour)\]\t\[${Origin}\] \[$(usercolour)\]\u\[\$(exitcolour)\]@\[$(hostcolour)\]\h\[${Origin}\] \[\$(permcolour)\]:\[\$(diskcolour)\]\W\[${Origin}\]\[\$(getgitps1string)\] \[\$(jobcolour)\]\\$\[${Origin}\] "
		PS2='> '
		;;
esac

if [ $LOCALBIN ]
then
	if [ -d "$HOME/bin" ]
	then
		PATH="$HOME/bin:$PATH"
	fi
	
	for BIN in `find $HOME -maxdepth 1 -type d -name ".*" -exec find {} -type d -name "bin" \;`
	do
		PATH="$BIN:$PATH"
	done
	unset BIN
fi


alias ls='ls -Gh'
alias l='ls -F'
alias ll='ls -lF'
alias la='ls -Al'
alias lm='ls -al | more'

alias ..='cd ..'

alias cp='cp -i'
alias mv='mv -i'

alias du='du -kh'
alias df='df -kTh'


export EDITOR=vim
export HISTCONTROL=ignoreboth


# Local Variables:
# mode:shell-script
# sh-shell:bash
# End:

# vim: set ts=4 sw=4: