# Source system-wide shell
# start-up script.
if [ -f /etc/shrc ]; then
	. /etc/shrc
fi

case "$-" in *i*)
	# interactive mode settings go here
	#--- general settings --- 
	# 755 file perms
	umask 022
	# no core dumps
	ulimit -c 0
	# initialize terminal
	eval `tset -m ansi:ansi -m $TERM:\${TERM:-ansi} -s -Q`
	# don't get fancy if we have a dumb terminal
	[ $TERM = 'dumb' ] && return 0
	# control flow bindings
	stty hupcl ixon ixoff -parity
	stty erase "^H" kill "^U" intr "^C" eof "^D"
	# If job control is enabled, set the suspend character
	# to (control-z):
	case $- in
	  *m*) stty susp '^z'
	  ;;
	esac 
	# colums and tab stops
	#stty cols 80
	tabs -8
	#--- shell options ---	
	# vi mode
	set -o vi
	# don't overwrite files with “>"
	set -o noclobber
	# PS command substitions
	set -o promptcmds
	# print pwd when changed 
	#set -o cdprint
	# export variables
	set -o allexport
	# filename completions 
	set -o tabcomplete
	# disable nounset
	set +u 
	#--- limits (pub unix only)
	# # files < 512mb
	# ulimit -f 512000
	# # max 250 file descriptors
	# ulimit -S -n 250
	# # max 50 processes
	# ulimit -S -p 50
	# # softlimit 250mb virtual memory
	# ulimit -S -v 250000
	#--- environmental variables ---
	#- (also set ENV="$HOME/.shrc" inside ~/.profile) 
	# host
	hup(){ (read pid; kill -HUP $pid) </var/run/$1.pid; }
	case "$-" in *i*)
		if /bin/test -z "${HOST}"; then
		HOST="$(hostname)"
	fi
	;;
	esac  
	# shell
	SHELL=/bin/sh
	# PS1
	PS1="`hostname | sed 's/\..*//'`"
	  case `id -u` in
		0) PS1="${PS1}:~ # ";;
		*) PS1="${PS1}:~ $ ";;
	   esac
	# PS2
	PS2='>> '
	# history settings
	if [ -d ~/.history ]; then
	  HISTFILE=~/.history/hist.$(tty | sed 's;.*/;;')
          trap 'rm -f $HISTFILE' EXIT
	else
	  HISTFILE=~/.history
	fi
	HISTSIZE=1000000
	# editline settings
	EDITRC="$HOME/.editrc" 
	# path
	if [ `id -u` = 0 ]; then
		PATH=/usr/pkg/sbin:/usr/sbin:/sbin:$PATH
	 else
		PATH=/bin:/usr/bin:/usr/X11R7/bin:/usr/pkg/bin:/usr/local/bin
		PATH=$PATH:/usr/games:/usr/pkg/java/openjdk8/bin:$HOME/.bin
	fi
	# pager settings
	LESS="-ci -P \spacebar\:page ahead b\:page back /\:search ahead \?\:search back h\:help q\:quit"
	# use most?
	#if [ -x /usr/pkg/bin/most ]; then
	#   PAGER='/usr/pkg/bin/most -ds'; export PAGER
	#   else
	#    PAGER="less"; export PAGER
	#fi
	PAGER=less
	LESSOPEN="|lesspipe.sh %s"
	LESSCLOSE="lessclose.sh %s %s"
	# colored output (other BSDs) 
	CLICOLOR=yes
	if [ "$TERM" = cons25 ]; then
		LSCOLORS="AxHxcxdxhxefgxAHahBxbx"
	  else
		LSCOLORS="hxHxcxdxAxefgxAHahBxbx"
	fi
	# encoding
	LANG="en_US.UTF-8"
	LC_CTYPE="en_US.UTF-8"
	CONFIG_CHARSET=UTF-8
	# user settings
	USER=$(id -un)
	UID=$(id -u)
	GROUP=$(id -ng $USER)
	MAIL=/var/mail/${LOGNAME}
	MAILCHECK=1
	PAPERSIZE=A4                                                                                                                 
	BLOCKSIZE=1m 
	GZIP=-9
	GREP_OPTIONS='-d skip'
	TERM=xterm-256color
	EDITOR=nvi
	VISUAL=${EDITOR}
	COLORTERM=${TERM}
	BROWSER=lynx
	NNTPSERVER="news://retrobsd.ddns.net"

	# mpd
	MPD_HOST="127.0.0.1"
	MPD_PORT="6600"
	MPC_FORMAT="%title% \n%artist% - %album%"

	# X
	WM=CTWM
	XCURSOR_THEME="OpenZone_Ice_Slim"
	GDK_USE_XFT=1
	GDK_DPI_SCALE=1
	GDK_SCALE=1
	QT_XFT=1
	GTK2_RC_FILES="${HOME}/.gtkrc-2.0"
	QT_QPA_PLATFORMTHEME=qt5ct
	QT5DIR=/usr/pkg/qt5
	MC_XDG_OPEN=xdg-open

	
	# pkgsrc
	CVS_RSH=ssh
	CVSEDITOR=nvi
	CVSROOT="vins@cvs.NetBSD.org:/cvsroot"
	MAKECONF=/etc/mk.conf
	MK_CONF=/etc/mk.conf
	PKGSRCDIR=/usr/pkgsrc
        SIGN_PACKAGES=gpg
	GPG=/usr/pkg/bin/gpg2
	GPG_SIGN_AS=PGP_KEY
	GPG_TTY=$(tty)
	
	#--- shell functions ---
	# read config
	r() {
		exec $SHELL $HOME/.shrc
	}
	# verbose folder listing
	dir() {
		ls -l | awk '{ if ( substr($1,1,1)== "d") {print}}'
	}
	# make dir and go to it 
	md() {
		command mkdir -p $1 && cd $1
	}
	
	_cd() {
        # change directory
	dir=$1
	arg=$2
	if [ "$arg" ]
	then
	  \cd "$dir" "$arg"
	elif [ "$dir" ]
	then
	  \cd "$dir"
	else
	  \cd
	fi

        # set prompt
	dir="${PWD:-$(command pwd -L)}"
	dir="${dir#$HOME/}"
	case $dir in
		"$HOME")PS1="~ $ ";;
		/*)	PS1="${PWD} $ ";;
		*)	PS1="~/$dir $ ";;
 	esac
        }
	alias cd='_cd'
	eval _cd


	# print directory tree
	tree() {
		exec find -- ${1:-.} | sed -Ee '2,$s:[^/]*/:   :g; s:   ([^ ]+)$:|_ \1:'
	}
	# display in reverse-order
	tac() {
		exec sed -ne '1h; 2,${x;H;}; ${x;p;}' -- "$@"
	}
	# save to dir stack
	pushd() {
		dirname=$1
		cd ${dirname:?"Missing directory name."}
		DIRSTACK="$PWD ${DIRSTACK:-$OLDPWD}"
		printf "$DIRSTACK"
	}
	# change wkrd to top of dir stack
	popd() {
		DIRSTACK=${DIRSTACK#* }
		cd ${DIRSTACK%% *}
		printf "$PWD"
	}
        q () {
		printf '%s' "$d" | sed -Ee "s/'/'\\\\''/g; 1s/^/'/; \$s/\$/'/"
	}
        # change dir interectively
	# courtesy of @rvp at UnitedBSD
	ch ()
	{
		local arg dirs d i
	
	# short-circuit
	if [ $# -eq 0 ]
	then	cd
		return
	fi

	arg="$1"
	for d in $(printf '%s' "$arg" | sed -Ee 's/[^/]+/&*/g')
	do	test -d "$d" || continue
		dirs="$dirs $(q $d)"
	done

	eval "set -- $dirs"

	# no match
	if [ $# -eq 0 ]
	then	printf 1>&2 '%s: %s: no match\n' "$0" "$arg"
		return 1
	fi

	# single match
	if [ $# -eq 1 ]
	then	cd "$1"
		return
	fi

	# multiple matches
	i=0
	for d
	do	i=$((i + 1))
		printf '%d) %s\n' "$i" "$d"
	done
	printf '%s\n? ' '-----'
	read num

	# do nothing if no number
	if [ "$num" = "" ]
	then	return 0
	fi

	# invalid number
	if [ "$num" -lt 1 -o "$num" -gt $# ]
	then	printf 1>&2 '%s: %s: bad number\n' "$0" "$num"
		return 1
	fi

	eval "cd \"\${$num}\""
	}
	# show history	
	h() { 
		fc -l 1 | sort | uniq; 
	} 
	# clear buffer
	empty() { 
		echo $'\e[3J'; 
	}
        # remove wrkdir, if empty
	rd() {
		dir=$PWD
		cd ..
		if command rmdir "$dir" 2>/dev/null; then
			echo 'Removed empty directory:' $dir
		else
			cd "$dir"
			echo 'Directory is not empty:'
			ls -A
		fi
		unset dir
	}
	# remove backup files in the wrkdir
	clean() {
		find . -name \( -name "*.old" -o -name "*.bak" \) -exec rm :{} \;
		find . -size 0 -exec rm {} \;
	}
	# send SIGKILL
	stop() { 
		kill -9 "${@:-%%}"; 
	}
        # show pid
	pid() {
		 ps -e | grep $@ | cut -d" " -f1;
	}	 
	# move to a dotfile	
	dot() { 
		for file in "$@";
		  do mv -iv "$file" ."$file"; 
		done 
	}
        # backup files	
	bck() { 
		for file in "$@"; 
		  do cp -iv "$file" "$file".bak; 
		done 
	}
	# launch tmux
	tm() {
		if (( $# )); then
		  tmux has-session -t "$*" && tmux attach -t "$*" || tmux new-session -s "$*"
		else
		  tmux attach || tmux new-session -s default
		fi
	}

	# export tmux session 
	tmup() {
		[ -n $TMUX ] && export $(tmux showenv | grep --color=never '^[^-]' | xargs)
	}

	# remove trailing non-printable chars.
	dos2unix() {
		mv -f $1 $1.dos
		tr -d '\r' < $1.dos > $1
	}

	# reload process.
	killhup() {
		kill -HUP `cat /var/run/${1}.pid`
	}

	# SSL functions.
	sslconnect() {
		openssl s_client -connect $1:$2 -crlf
	}
        
	ssh_copy_id() {
		[ -f ~/.ssh/id_ed25519.pub ] && PK=id_ed25519
		cat ~/.ssh/${PK}.pub |  \
		  ssh $1 "mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys"
        }
        
	rmknownhost() {
		[ -z $1 ] && echo "usage: $0 /path/to/known_hosts:line" && return
		${SED} -i ${1#*:}d ${1%:*}
	}
        
	sslexpire() {
		echo | openssl s_client -showcerts -connect ${1}:443 2>/dev/null | \
		  openssl x509 -noout -dates
	}
          

	# extract archives
	ex ()
		{
                if [ -f $1 ] ; then
                  case $1 in
                    *.tar.bz2)    tar xjf $1    ;;
                    *.tar.gz)     tar xzf $1    ;;
                    *.tar.xz)     tar xf $1     ;;
                    *.tar)        tar xf $1     ;;
                    *.tar.zst)    uzstd $1      ;;
                    *.bz2)        bunzip2 $1    ;;
                    *.rar)        unrar x $1    ;;
                    *.gz)         gunzip $1     ;;
                    *.tbz2)       tar xjf $1    ;;
                    *.tgz)        tar xzf $1    ;;
                    *.zip)        unzip $1      ;;
                    *.Z)          uncompress $1 ;;
                    *.7z)         7z x $1       ;;
                    *.deb)        ar x $1       ;;
                    *)    echo "'$1' cannot be extracted via ex()" ;;
                  esac
                else
                  echo "'$1' is not a valid file"
                fi
        }


	#--- aliases ---	
	alias t='task'
	alias tf='task -f'
	alias tn='task | head -n 1'
	alias pu='ps -fu $USER'
	alias j='jobs'
	alias 1='fg %1'
	alias 2='fg %2'
	alias 3='fg %3'
	alias m='$PAGER'
	alias lv='ls -laFo'
	alias l='ls -l'
	alias la='ls -aF'
	alias g='egrep -i'
	alias lgrep="ls | egrep -i "
	alias llgrep="ls -l | egrep -i "
	alias cdl='cd $* && ls'
	alias cp='cp -ip'
	alias mv='mv -iv'
	alias rm='rm -i'
	alias ls='ls -F'
	alias df='df -hk'
	alias du='du -hk'
	alias rsz='eval $(resize)'
	alias cls='tput clear'
	alias sane='stty sane'
	alias realpath='readlink -f'
	alias cal='cal -3'
	alias dos2unix="tr -d '\r'"
	;;
*)
	;;
esac