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########################################################################
# #
# This software is part of the ast package #
# Copyright (c) 1982-2011 AT&T Intellectual Property #
# and is licensed under the #
# Eclipse Public License, Version 1.0 #
# by AT&T Intellectual Property #
# #
# A copy of the License is available at #
# http://www.eclipse.org/org/documents/epl-v10.html #
# (with md5 checksum b35adb5213ca9657e911e9befb180842) #
# #
# Information and Software Systems Research #
# AT&T Research #
# Florham Park NJ #
# #
# David Korn <dgk@research.att.com> #
# #
########################################################################
#
# bash compatibility startup script
#
# Author:
# Karsten Fleischer
# Omnium Software Engineering
# An der Luisenburg 7
# D-51379 Leverkusen
# Germany
#
# <K.Fleischer@omnium.de>
#
alias declare=typeset
nameref FUNCNAME=.sh.fun
integer SHLVL
export SHLVL
SHLVL+=1
if [[ ! $EUID ]]
then EUID=$(id -u)
readonly EUID
fi
if [[ ! $UID ]]
then UID=$(id -u)
readonly UID
fi
readonly SHELLOPTS
if ! shopt -qo restricted; then
IFS=:
for i in $SHELLOPTS
do
[[ -n "$i" ]] && set -o $i
done
unset IFS
fi
function SHELLOPTS.get
{
.sh.value=$(shopt -so)
.sh.value=${.sh.value//+([[:space:]])on*([[:space:]])/:}
.sh.value=${.sh.value%:}
}
set -A GROUPS $(id -G)
function GROUPS.set
{
return 1
}
function GROUPS.unset
{
unset -f GROUPS.set
unset -f GROUPS.unset
}
typeset -A DIRSTACK
function DIRSTACK.get
{
set -A .sh.value $(dirs)
}
function DIRSTACK.set
{
integer index
index=_push_max-.sh.subscript
(( index == _push_max || index < _push_top )) && return
_push_stack[index]=${.sh.value}
}
function DIRSTACK.unset
{
unset -f DIRSTACK.get
unset -f DIRSTACK.set
unset -f DIRSTACK.unset
}
function PS1.set
{
typeset prefix remaining=${.sh.value} var= n= k=
while [[ $remaining ]]
do prefix=${remaining%%'\'*}
remaining=${remaining#$prefix}
var+="$prefix"
case ${remaining:1:1} in
t) var+="\$(printf '%(%H:%M:%S)T')";;
d) var+="\$(printf '%(%a %b:%e)T')";;
n) var+=$'\n';;
s) var+=ksh;;
w) var+="\$(pwd)";;
W) var+="\$(basename \"\$(pwd)\")";;
u) var+=$USER;;
h) var+=$(hostname -s);;
'#') var+=!;;
!) var+=!;;
@) var+="\$(printf '%(%I:%M%p)T')";;
'$') if (( $(id -u) == 0 ))
then var+='#'
else var+='$'
fi;;
'\') var+='\\';;
'['|']') ;;
[0-7]) case ${remaining:1:3} in
[0-7][0-7][0-7])
k=4;;
[0-7][0-7])
k=3;;
*) k=2;;
esac
eval n="\$'"${remaining:0:k}"'"
var+=$n
remaining=${remaining:k}
continue
;;
"") ;;
*) var+='\'${remaining:0:2};;
esac
remaining=${remaining:2}
done
.sh.value=$var
}
function logout
{
if shopt -q login_shell; then
exit
else
print ${BASH##*/}: $0: not login shell: use 'exit' >&2
return 1
fi
}
PS1="bash$ "
function source
{
if ! shopt -qpo posix; then
unset OPATH
typeset OPATH=$PATH
typeset PATH=$PATH
if shopt -q sourcepath; then
PATH=$OPATH:.
else
PATH=.
fi
fi
. "$@"
}
unalias .
alias .=source
alias enable=builtin
function help
{
typeset b cmd usage try_cmd man
function has_help_option
{
[[ $1 == @(''|/*|:|echo|false|true|login|test|'[') ]] && return 1
return 0
}
typeset -A short_use=(
[echo]='Usage: echo [ options ] [arg]...'
[:]='Usage: : ...'
[true]='Usage: true ...'
[false]='Usage: false ...'
[login]='Usage: login [-p] [name]'
['[']='Usage: [ EXPRESSION ] | [ OPTION'
[test]='Usage: test EXPRESSION | test'
)
b=$(builtin)
if (( $# == 0))
then print 'The following is the current list of built-in commands:'
print -r $'Type help *name* for more information about name\n'
for cmd in $b
do if has_help_option $cmd
then usage=$($cmd --short 2>&1)
print -r -- "${usage:7}"
else print -r -- ${short_use[$cmd]:7}
fi
done
return
fi
b=${b/'['/}
man=--man
[[ $1 == -s ]] && man=--short && shift
for try_cmd
do if has_help_option $try_cmd
then if [[ $try_cmd == @(${b//$'\n'/'|'}) ]]
then $try_cmd $man
else man $try_cmd
fi
elif [[ $man == '--short' ]]
then print -r -- ${short_use[$try_cmd]}
else man $try_cmd
fi
done
}
function cd
{
local msg
local args
local i
local a
local ret
if ! shopt -q cdable_vars; then
command cd "$@"
else
msg=$(command cd "$@" 2>&1)
ret=$?
if [[ $ret != 0 ]]; then
for i
do
case $i in
-*) args="$args $i" ;;
*/*) args="$args $i" ;;
*) eval a="$"$i
if [[ -n $a ]]; then args="$args $a"
else args="$args $i"
fi
;;
esac
done
command cd $args
else
print -- $msg
return $ret
fi
fi
}
typeset BASH=$0
! shopt -qo posix && HISTFILE=~/.bash_history
HOSTNAME=$(hostname)
nameref BASH_SUBSHELL=.sh.subshell
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