# $Id$
#echo .env

if [ ${UID:-65535} -gt 0 ] && [ "${LOGNAME:-$USER}" = "$(id -ng)" ] ; then # usergroups
	umask 002
else
	umask 022
	AUTO_UMASK=yes
fi

# Environment

#export BLOCKSIZE=k
export EDITOR=vi
case $HOSTNAME in *.*) HOSTNAME=`echo $HOSTNAME | cut -f1 -d.` ;; esac
export HOSTNAME
export PAGER=less
export PERL_RL=Zoid
: ${USER:=$LOGNAME}

type -p lesspipe > /dev/null && export LESSOPEN='|lesspipe %s'
[ -z "$MAIL" ] && [ -f /var/mail/$USER ] && export MAIL="/var/mail/$USER" # MAIL is unset on NetBSD

# check whether we run interactively
[ "$PS1" ] || return
[ "$BASH_VERSION" ] || return
#echo ".env: interactive"

if [ "$TERM" = "rxvt-256color" ] &&
	[ ! -f "/lib/terminfo/r/rxvt-256color" ] &&
	[ ! -f "/usr/share/terminfo/r/rxvt-256color" ] ; then
	TERM="rxvt-unicode"
fi

export GREP_OPTIONS="-d skip --exclude=*.svn-base --exclude tags --exclude *~ --color=auto"

# Aliases

# check for GNU utils
if cp --version > /dev/null 2>&1 ; then
	alias cp='cp -iv'
	alias mv='mv -iv'
	alias rm='rm -iv'
	case "$TERM" in
		linux*|*vt100*|cons25|xterm*|rxvt*|screen*|cygwin)
			alias ls='ls -F --color=auto' ;;
		*)	alias ls='ls -F' ;;
	esac
else
	alias cp='cp -i'
	alias mv='mv -i'
	alias rm='rm -i'
	alias ls='ls -F'
fi

alias -- -='popd && ps1_pwd && ls'
alias ..='cd ..'
alias ...='cd ../..'
alias ....='cd ../../..'
alias .....='cd ../../../..'
cal () { if [ "$1" ] ; then ncal -b "$@" ; else ncal -b3 ; fi }
alias d=date
alias diffstat='diffstat -p1 -r2'
alias 'dpkg-buildpackage'='dpkg-buildpackage -rfakeroot -us -uc -i'
alias 'dpkg-source'='dpkg-source -i'
alias f=finger
alias gf=sl
alias j='jobs -l'
alias l='ls -al'
alias m='mutt'
alias man='man -LC'
alias md=mkdir
alias o='$PAGER'
alias ping='ping -n'
alias tree='tree -ACF'
alias r='screen -R'
alias rd=rmdir
alias rehash='hash -r'
#alias vim='vim --servername VIM'
alias which='type -p'
alias X='mesg n; exec ssh-agent startx > ~/.xsession-errors 2>&1'
#alias xdvi='EDITOR="vim --servername VIM --remote +%l %f" xdvi'
alias y=sl

# Debian
alias 'dist-upgrade'="sudo apt-get dist-upgrade"
alias agi="sudo apt-get install"
alias agr="sudo apt-get remove"
alias build-dep="sudo apt-get build-dep"
alias policy="apt-cache policy"
alias search="apt-cache search"
alias show="apt-cache show"
alias showpkg="apt-cache showpkg"
alias showsrc="apt-cache showsrc"
alias update="sudo apt-get update"
reload () { [ -x "/etc/init.d/$1" ] && sudo "/etc/init.d/$1" force-reload ; }
restart () { [ -x "/etc/init.d/$1" ] && sudo "/etc/init.d/$1" restart ; }
start () { [ -x "/etc/init.d/$1" ] && sudo "/etc/init.d/$1" start ; }
stop () { [ -x "/etc/init.d/$1" ] && sudo "/etc/init.d/$1" stop ; }
upgrade () {
	if [ "$*" ] ; then
		set -- $(dpkg -l "$@" | grep ^ii | awk '{ print $2 }')
		if [ "$*" ] ; then
			echo "apt-get install $@"
			sudo apt-get install "$@"
		else
			echo "Nothing to upgrade"
		fi
	else
		sudo apt-get upgrade
	fi
}

# Functions

# print pwd
? () {
	echo "pwd:   $PWD"
	echo -n "real:  "; /bin/pwd
	echo "stack: ${DIRSTACK[@]}"
	echo "umask: `umask` (auto: ${AUTO_UMASK:-no})"
}

# set umask depending on directory group/sgid bit
auto_umask () {
	local dir group
	umask 022
	if [[ `stat -c "%04a" .` == [267]* ]] ; then # sgid directory
		dir=`stat -c "%g" .`
		for group in ${GROUPS[@]} ; do
			[ $group -eq $dir ] && { umask 002 ; break ; }
		done
	fi
}

ps1_pwd () {
	PS1_PWD=$(echo "$PWD" | perl -pe 's,^$ENV{HOME}\b,~,; 1 while (length>35 and s,([^/]{2})[^/]+/,$1/,)')
}
ps1_pwd

ps1_vcs_git ()
{
	local branch
	branch=$(git branch | sed -ne 's/^\* \(.*\)/\1/p')
	PS1_VCS=" git:$branch"
}
ps1_vcs () {
	unset PS1_VCS PROMPT_COMMAND
	if [ -d .git ] || [ -d ../.git ] || [ -d ../../.git ] || [ -d ../../../.git ] ; then
		PROMPT_COMMAND="ps1_vcs_git"
	elif [ -d .svn ] ; then
		local branch
		branch=$(LC_ALL=C svn info | sed -ne 's/^URL: .*branches\/\([^/]*\).*/:\1/p')
		PS1_VCS=" svn$branch"
	fi
}
ps1_vcs

# cd with some nice options
cd () {
	local cur dir d d0 arg opt OPTIND OPTERR
	while getopts "10nprLP" opt ; do
		case $opt in
		1) set */ ; dir="$1" ; [ "$dir" ] || return 1 ;;
		0) for dir in */ ; do : ; done ; [ "$dir" ] || return 1 ;;
		n) cur="../`basename "$PWD"`/"
			for d in ../*/ ; do [ "$d0" = "$cur" ] && { dir="$d"; break; } ; d0="$d" ; done
			[ -z "$dir" ] && return 1 ;;
		p|r) cur="../`basename "$PWD"`/"
			for d in ../*/ ; do [ "$d" = "$cur" ] && { dir="$d0"; break; } ; d0="$d" ; done
			[ -z "$dir" ] && return 1 ;;
		L|P) arg="-$opt" ;;
		esac
	done
	shift $(($OPTIND - 1))
	[ "${DIRSTACK[10]}" ] && popd +10 -n > /dev/null
	# support "cd %1"
	case $1 in %*) dir="`jobs $1 | perl -ne 's/wd: ~/wd: $ENV{HOME}/; print $1 if /wd: (.*)\)/'`" ;; esac
	pushd $arg "${dir:-${1:-$HOME}}" > /dev/null || return $?
	[ "$AUTO_UMASK" ] && auto_umask
	ps1_pwd
	ps1_vcs
	ls
}

# mkdir/cd wrappers
nd () { mkdir "$1" && cd "$1" ; }
nv () { local nv ; nv=`nv.pl "$@"` && cd "$nv" ; }

# edit variable in vi
vared () {
	local vared
	vared=`mktemp /tmp/vared.XXXXXX`
	( echo -n "$1="\' ; eval echo -n "\$$1" ; echo \' ) > $vared
	${EDITOR:-"vi"} $vared && . $vared
	/bin/rm -f $vared
}

# untar and cd into dir
unalias ttar xtar 2> /dev/null # remove system default
if type -p xtar.pl > /dev/null ; then
	xtar () {
		local xtar
		xtar=`xtar.pl "$@"` && cd "$xtar"
	}
else
	alias xtar='tar xvzf'
fi

# personal stuff
if [[ "$USER" == cb* ]] || [ "$USER" = myon ] ; then
	export DEBEMAIL="myon@debian.org"
	export PGPKEY="6D8ABE71"
	export PGPKEY2="58510B5A"
	export PGPKEY3="12D2A7AE"
fi