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# $Id$
# $MirOS: src/bin/mksh/dot.mkshrc,v 1.89 2014/07/28 21:45:44 tg Exp $
#-
# Copyright (c) 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010,
#		2011, 2012, 2013, 2014
#	Thorsten Glaser <tg@mirbsd.org>
#
# Provided that these terms and disclaimer and all copyright notices
# are retained or reproduced in an accompanying document, permission
# is granted to deal in this work without restriction, including un-
# limited rights to use, publicly perform, distribute, sell, modify,
# merge, give away, or sublicence.
#
# This work is provided "AS IS" and WITHOUT WARRANTY of any kind, to
# the utmost extent permitted by applicable law, neither express nor
# implied; without malicious intent or gross negligence. In no event
# may a licensor, author or contributor be held liable for indirect,
# direct, other damage, loss, or other issues arising in any way out
# of dealing in the work, even if advised of the possibility of such
# damage or existence of a defect, except proven that it results out
# of said person's immediate fault when using the work as intended.
#-
# ${ENV:-~/.mkshrc}: mksh initialisation file for interactive shells

# catch non-mksh (including lksh) trying to shell this file
case $KSH_VERSION in
*MIRBSD\ KSH*) ;;
*) return 0 ;;
esac

PS1='#'; (( USER_ID )) && PS1='$'; [[ ${HOSTNAME:=$(ulimit -c 0; hostname -s \
    2>/dev/null)} = *([	 ]|localhost) ]] && HOSTNAME=$(ulimit -c 0; hostname \
    2>/dev/null); : ${EDITOR:=/bin/ed} ${HOSTNAME:=nil} ${TERM:=vt100}
: ${MKSH:=$(whence -p mksh)}; PS4='[$EPOCHREALTIME] '; PS1=$'\001\r''${|

	local e=$?

	(( e )) && REPLY+="$e|"
	REPLY+=${USER:=$(ulimit -c 0; id -un 2>/dev/null || echo \?)}
	REPLY+=@${HOSTNAME%%.*}:

	local d=${PWD:-?} p=~; [[ $p = ?(*/) ]] || d=${d/#$p/~}
	local m=${%d} n p=...; (( m > 0 )) || m=${#d}
	(( m > (n = (COLUMNS/3 < 7 ? 7 : COLUMNS/3)) )) && d=${d:(-n)} || p=
	REPLY+=$p$d

	return $e
} '"$PS1 "; export EDITOR HOSTNAME MKSH TERM USER
alias ls=ls
unalias ls
alias l='ls -F'
alias la='l -a'
alias ll='l -l'
alias lo='l -alo'
alias doch='sudo mksh -c "$(fc -ln -1)"'
whence -p rot13 >/dev/null || alias rot13='tr \
    abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ \
    nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM'
if whence -p hd >/dev/null; then :; elif whence -p hexdump >/dev/null; then
	function hd {
		hexdump -e '"%08.8_ax  " 8/1 "%02X " " - " 8/1 "%02X "' \
		    -e '"  |" "%_p"' -e '"|\n"' "$@"
	}
else
	function hd {
		local -Uui16 -Z11 pos=0
		local -Uui16 -Z5 hv=2147483647
		local dasc line i

		cat "$@" | { set +U; if read -arN -1 line; then
			typeset -i1 line
			i=0
			while (( i < ${#line[*]} )); do
				hv=${line[i++]}
				if (( (pos & 15) == 0 )); then
					(( pos )) && print -r -- "$dasc|"
					print -n "${pos#16#}  "
					dasc=' |'
				fi
				print -n "${hv#16#} "
				if (( (hv < 32) || (hv > 126) )); then
					dasc+=.
				else
					dasc+=${line[i-1]#1#}
				fi
				(( (pos++ & 15) == 7 )) && print -n -- '- '
			done
			while (( pos & 15 )); do
				print -n '   '
				(( (pos++ & 15) == 7 )) && print -n -- '- '
			done
			(( hv == 2147483647 )) || print -r -- "$dasc|"
		fi; }
	}
fi

# Berkeley C shell compatible dirs, popd, and pushd functions
# Z shell compatible chpwd() hook, used to update DIRSTACK[0]
DIRSTACKBASE=$(realpath ~/. 2>/dev/null || print -nr -- "${HOME:-/}")
set -A DIRSTACK
function chpwd {
	DIRSTACK[0]=$(realpath . 2>/dev/null || print -r -- "$PWD")
	[[ $DIRSTACKBASE = ?(*/) ]] || \
	    DIRSTACK[0]=${DIRSTACK[0]/#$DIRSTACKBASE/~}
	:
}
chpwd .
function cd {
	builtin cd "$@" || return $?
	chpwd "$@"
}
function cd_csh {
	local d t=${1/#~/$DIRSTACKBASE}

	if ! d=$(builtin cd "$t" 2>&1); then
		print -u2 "${1}: ${d##*cd: $t: }."
		return 1
	fi
	cd "$t"
}
function dirs {
	local d dwidth
	local -i fl=0 fv=0 fn=0 cpos=0

	while getopts ":lvn" d; do
		case $d {
		(l)	fl=1 ;;
		(v)	fv=1 ;;
		(n)	fn=1 ;;
		(*)	print -u2 'Usage: dirs [-lvn].'
			return 1 ;;
		}
	done
	shift $((OPTIND - 1))
	if (( $# > 0 )); then
		print -u2 'Usage: dirs [-lvn].'
		return 1
	fi
	if (( fv )); then
		fv=0
		while (( fv < ${#DIRSTACK[*]} )); do
			d=${DIRSTACK[fv]}
			(( fl )) && d=${d/#~/$DIRSTACKBASE}
			print -r -- "$fv	$d"
			let fv++
		done
	else
		fv=0
		while (( fv < ${#DIRSTACK[*]} )); do
			d=${DIRSTACK[fv]}
			(( fl )) && d=${d/#~/$DIRSTACKBASE}
			(( dwidth = (${%d} > 0 ? ${%d} : ${#d}) ))
			if (( fn && (cpos += dwidth + 1) >= 79 && \
			    dwidth < 80 )); then
				print
				(( cpos = dwidth + 1 ))
			fi
			print -nr -- "$d "
			let fv++
		done
		print
	fi
	return 0
}
function popd {
	local d fa
	local -i n=1

	while getopts ":0123456789lvn" d; do
		case $d {
		(l|v|n)	fa+=" -$d" ;;
		(+*)	n=2
			break ;;
		(*)	print -u2 'Usage: popd [-lvn] [+<n>].'
			return 1 ;;
		}
	done
	shift $((OPTIND - n))
	n=0
	if (( $# > 1 )); then
		print -u2 popd: Too many arguments.
		return 1
	elif [[ $1 = ++([0-9]) && $1 != +0 ]]; then
		if (( (n = ${1#+}) >= ${#DIRSTACK[*]} )); then
			print -u2 popd: Directory stack not that deep.
			return 1
		fi
	elif [[ -n $1 ]]; then
		print -u2 popd: Bad directory.
		return 1
	fi
	if (( ${#DIRSTACK[*]} < 2 )); then
		print -u2 popd: Directory stack empty.
		return 1
	fi
	unset DIRSTACK[n]
	set -A DIRSTACK -- "${DIRSTACK[@]}"
	cd_csh "${DIRSTACK[0]}" || return 1
	dirs $fa
}
function pushd {
	local d fa
	local -i n=1

	while getopts ":0123456789lvn" d; do
		case $d {
		(l|v|n)	fa+=" -$d" ;;
		(+*)	n=2
			break ;;
		(*)	print -u2 'Usage: pushd [-lvn] [<dir>|+<n>].'
			return 1 ;;
		}
	done
	shift $((OPTIND - n))
	if (( $# == 0 )); then
		if (( ${#DIRSTACK[*]} < 2 )); then
			print -u2 pushd: No other directory.
			return 1
		fi
		d=${DIRSTACK[1]}
		DIRSTACK[1]=${DIRSTACK[0]}
		cd_csh "$d" || return 1
	elif (( $# > 1 )); then
		print -u2 pushd: Too many arguments.
		return 1
	elif [[ $1 = ++([0-9]) && $1 != +0 ]]; then
		if (( (n = ${1#+}) >= ${#DIRSTACK[*]} )); then
			print -u2 pushd: Directory stack not that deep.
			return 1
		fi
		while (( n-- )); do
			d=${DIRSTACK[0]}
			unset DIRSTACK[0]
			set -A DIRSTACK -- "${DIRSTACK[@]}" "$d"
		done
		cd_csh "${DIRSTACK[0]}" || return 1
	else
		set -A DIRSTACK -- placeholder "${DIRSTACK[@]}"
		cd_csh "$1" || return 1
	fi
	dirs $fa
}

# pager (not control character safe)
function smores {
	(
		set +m
		cat "$@" |&
		trap "rv=\$?; kill $! >/dev/null 2>&1; exit \$rv" EXIT
		while IFS= read -pr line; do
			llen=${%line}
			(( llen == -1 )) && llen=${#line}
			(( llen = llen ? (llen + COLUMNS - 1) / COLUMNS : 1 ))
			if (( (curlin += llen) >= LINES )); then
				print -n -- '\033[7m--more--\033[0m'
				read -u1 || exit $?
				[[ $REPLY = [Qq]* ]] && exit 0
				curlin=$llen
			fi
			print -r -- "$line"
		done
	)
}

# base64 encoder and decoder, RFC compliant, NUL safe
function Lb64decode {
	[[ -o utf8-mode ]]; local u=$?
	set +U
	local c s="$*" t=
	[[ -n $s ]] || { s=$(cat; print x); s=${s%x}; }
	local -i i=0 j=0 n=${#s} p=0 v x
	local -i16 o

	while (( i < n )); do
		c=${s:(i++):1}
		case $c {
		(=)	break ;;
		([A-Z])	(( v = 1#$c - 65 )) ;;
		([a-z])	(( v = 1#$c - 71 )) ;;
		([0-9])	(( v = 1#$c + 4 )) ;;
		(+)	v=62 ;;
		(/)	v=63 ;;
		(*)	continue ;;
		}
		(( x = (x << 6) | v ))
		case $((p++)) {
		(0)	continue ;;
		(1)	(( o = (x >> 4) & 255 )) ;;
		(2)	(( o = (x >> 2) & 255 )) ;;
		(3)	(( o = x & 255 ))
			p=0
			;;
		}
		t+=\\x${o#16#}
		(( ++j & 4095 )) && continue
		print -n $t
		t=
	done
	print -n $t
	(( u )) || set -U
}

set -A Lb64encode_code -- A B C D E F G H I J K L M N O P Q R S T U V W X Y Z \
    a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9 + /
function Lb64encode {
	[[ -o utf8-mode ]]; local u=$?
	set +U
	local c s t
	if (( $# )); then
		read -raN-1 s <<<"$*"
		unset s[${#s[*]}-1]
	else
		read -raN-1 s
	fi
	local -i i=0 n=${#s[*]} j v

	while (( i < n )); do
		(( v = s[i++] << 16 ))
		(( j = i < n ? s[i++] : 0 ))
		(( v |= j << 8 ))
		(( j = i < n ? s[i++] : 0 ))
		(( v |= j ))
		t+=${Lb64encode_code[v >> 18]}${Lb64encode_code[v >> 12 & 63]}
		c=${Lb64encode_code[v >> 6 & 63]}
		if (( i <= n )); then
			t+=$c${Lb64encode_code[v & 63]}
		elif (( i == n + 1 )); then
			t+=$c=
		else
			t+===
		fi
		if (( ${#t} == 76 || i >= n )); then
			print $t
			t=
		fi
	done
	(( u )) || set -U
}

# Better Avalanche for the Jenkins Hash
typeset -Z11 -Uui16 Lbafh_v
function Lbafh_init {
	Lbafh_v=0
}
function Lbafh_add {
	[[ -o utf8-mode ]]; local u=$?
	set +U
	local s
	if (( $# )); then
		read -raN-1 s <<<"$*"
		unset s[${#s[*]}-1]
	else
		read -raN-1 s
	fi
	local -i i=0 n=${#s[*]}

	while (( i < n )); do
		((# Lbafh_v = (Lbafh_v + s[i++] + 1) * 1025 ))
		((# Lbafh_v ^= Lbafh_v >> 6 ))
	done

	(( u )) || set -U
}
function Lbafh_finish {
	local -Ui t

	((# t = (((Lbafh_v >> 7) & 0x01010101) * 0x1B) ^ \
	    ((Lbafh_v << 1) & 0xFEFEFEFE) ))
	((# Lbafh_v = t ^ (t >>> 8) ^ (Lbafh_v >>> 8) ^ \
	    (Lbafh_v >>> 16) ^ (Lbafh_v >>> 24) ))
	:
}

# strip comments (and leading/trailing whitespace if IFS is set) from
# any file(s) given as argument, or stdin if none, and spew to stdout
function Lstripcom {
	cat "$@" | { set -o noglob; while read _line; do
		_line=${_line%%#*}
		[[ -n $_line ]] && print -r -- $_line
	done; }
}

# give MidnightBSD's laffer1 a bit of csh feeling
function setenv {
	eval export "\"$1\""'="$2"'
}

: place customisations below this line

for p in ~/.etc/bin ~/bin; do
	[[ -d $p/. ]] || continue
	[[ :$PATH: = *:$p:* ]] || PATH=$p:$PATH
done

function psgrep {
	ps u `pgrep "$1"`
}

export XBPS_DISTDIR=~/repos/github.com/Duncaen/void-packages
export GOPATH=~/go
export GOBIN=$GOPATH/bin
export PATH="$PATH:$GOBIN"
export EDITOR=vim

export SHELL=$MKSH MANWIDTH=80 LESSHISTFILE=-
export LESS="-F -X -R"
alias cls='print -n \\033c'
alias ls="ls --color -F"

alias wanip='curl ipinfo.io/ip'

# git
alias ga='git add'
alias gc='git commit'
alias gca='git commit --amend'
alias gp='git pull'
alias gpr='git pull --rebase'
alias gs='git status -sb'
alias gb='git branch'
alias gd='git icdiff'
alias gl='git l'

# xbps
alias xi='sudo xbps-install'
alias xr='sudo xbps-remove'
alias xq='xbps-query'

# runit
alias svls='sudo sv s /var/service/*'
alias svu='sudo sv start'
alias svd='sudo sv stop'
alias svr='sudo sv restart'

function sva {
  if [ -r /etc/sv/$1 ]; then
    sudo ln -sv /etc/sv/$1 /var/service
  else
    echo "Service $1 not found"
  fi
}

function svrm {
  if [ -r /var/service/$1 ]; then
    sudo rm -v /var/service/$1
  else
    echo "Service $1 not found"
  fi
}

# colors
if [ ${HOSTNAME} != "pi" ]; then
  alias ld='grc -es --colour=auto ld'
  alias ss='grc -es --colour=auto ss'
  alias ps='grc -es --colour=auto ps'
  alias mount='grc -es --colour=auto mount'
  alias dig='grc -es --colour=auto dig'
  alias ping='grc -es --colour=auto ping'
  alias traceroute='grc -es --colour=auto traceroute'
  alias df='grc -es --colour=auto df'
fi

alias usv='SVDIR=~/service/ sv'

# Keychain
[ -r /usr/bin/keychain ] && eval `keychain --eval --agents ssh id_rsa`

alias check-updates="sudo sh -c 'cd /var/cache/void-packages && chpst -u voidupdates:voidupdates void-updates -p 20 -r git://github.com/voidlinux/void-packages.git -s /var/cache/void-packages -o /srv/http/void-updates'"
alias bt='echo 0 | gdb -batch-silent -ex "run" -ex "set logging overwrite on" -ex "set logging file gdb.bt" -ex "set logging on" -ex "set pagination off" -ex "handle SIG33 pass nostop noprint" -ex "echo backtrace:\n" -ex "backtrace full" -ex "echo \n\nregisters:\n" -ex "info registers" -ex "echo \n\ncurrent instructions:\n" -ex "x/16i \$pc" -ex "echo \n\nthreads backtrace:\n" -ex "thread apply all backtrace" -ex "set logging off" -ex "quit" --args'
# alias keychain=eval_keychain

#unset LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_IDENTIFICATION LC_MONETARY \
#    LC_NAME LC_NUMERIC LC_TELEPHONE LC_TIME
#p=en_GB.UTF-8
#set -U
#export LANG=C LC_CTYPE=$p LC_MEASUREMENT=$p LC_MESSAGES=$p LC_PAPER=$p

unset p

# fix del key
printf '\033[?1h\033=' >/dev/tty


# 
PS1='$(slcp $COLUMNS $?)'

# If this is an xterm set the title to user@host:dir
case "$TERM" in
  dvtm*|xterm*|rxvt*)
    PS1+='$(echo -ne "\033]0;${USER}@${HOSTNAME}: ${PWD/$HOME/~}\007")'
    ;;
  *)
    ;;
esac

: place customisations above this line