154 lines
4.1 KiB
Bash
154 lines
4.1 KiB
Bash
# Copyright 1999-2007 Gentoo Foundation
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# Copyright 2007 Roy Marples
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# All rights reserved
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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RC_GOT_FUNCTIONS="yes"
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eindent() {
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RC_EINDENT=$((${RC_EINDENT:-0} + 2))
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[ "${RC_EINDENT}" -gt 40 ] && RC_EINDENT=40
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export RC_EINDENT
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}
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eoutdent() {
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RC_EINDENT=$((${RC_EINDENT:-0} - 2))
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[ "${RC_EINDENT}" -lt 0 ] && RC_EINDENT=0
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return 0
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}
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# Safer way to list the contents of a directory,
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# as it do not have the "empty dir bug".
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#
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# char *dolisting(param)
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#
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# print a list of the directory contents
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#
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# NOTE: quote the params if they contain globs.
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# also, error checking is not that extensive ...
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#
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dolisting() {
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local x= y= mylist= mypath="$*"
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# Here we use file globbing instead of ls to save on forking
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for x in ${mypath} ; do
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[ ! -e "${x}" ] && continue
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if [ -L "${x}" -o -f "${x}" ] ; then
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mylist="${mylist} "${x}
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elif [ -d "${x}" ] ; then
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[ "${x%/}" != "${x}" ] && x=${x%/}
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for y in "${x}"/* ; do
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[ -e "${y}" ] && mylist="${mylist} ${y}"
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done
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fi
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done
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echo "${mylist# *}"
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}
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# bool is_older_than(reference, files/dirs to check)
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#
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# return 0 if any of the files/dirs are newer than
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# the reference file
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#
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# EXAMPLE: if is_older_than a.out *.o ; then ...
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is_older_than() {
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local x= ref="$1"
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shift
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for x in "$@" ; do
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[ -e "${x}" ] || continue
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# We need to check the mtime if it's a directory too as the
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# contents may have changed.
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[ "${x}" -nt "${ref}" ] && return 0
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[ -d "${x}" ] && is_older_than "${ref}" "${x}"/* && return 0
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done
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return 1
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}
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uniqify() {
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local result=
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while [ -n "$1" ] ; do
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case " ${result} " in
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*" $1 "*) ;;
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*) result="${result} $1" ;;
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esac
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shift
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done
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echo "${result# *}"
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}
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KV_to_int() {
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[ -z $1 ] && return 1
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local x=${1%%-*}
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local KV_MAJOR=${x%%.*}
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x=${x#*.}
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local KV_MINOR=${x%%.*}
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x=${x#*.}
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local KV_MICRO=${x%%.*}
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local KV_int=$((${KV_MAJOR} * 65536 + ${KV_MINOR} * 256 + ${KV_MICRO} ))
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# We make version 2.2.0 the minimum version we will handle as
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# a sanity check ... if its less, we fail ...
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[ "${KV_int}" -lt 131584 ] && return 1
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echo "${KV_int}"
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}
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# Allow our scripts to support zsh
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if [ -n "${ZSH_VERSION}" ] ; then
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emulate sh
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NULLCMD=:
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# Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
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# is contrary to our usage. Disable this feature.
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alias -g '${1+"$@"}'='"$@"'
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setopt NO_GLOB_SUBST
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fi
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# Setup a basic $PATH. Just add system default to existing.
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# This should solve both /sbin and /usr/sbin not present when
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# doing 'su -c foo', or for something like: PATH= rcscript start
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case "${PATH}" in
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/lib/rc/bin:/bin:/sbin:/usr/bin:/usr/sbin) ;;
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/lib/rc/bin:/bin:/sbin:/usr/bin:/usr/sbin:*) ;;
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*) export PATH="/lib/rc/bin:/bin:/sbin:/usr/bin:/usr/sbin:${PATH}" ;;
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esac
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for arg in "$@" ; do
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case "${arg}" in
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--nocolor|--nocolour|-C)
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export RC_NOCOLOR="yes"
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;;
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esac
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done
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if [ "${RC_NOCOLOR}" != "yes" -a -z "${GOOD}" ] ; then
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eval $(eval_ecolors)
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fi
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# vim: set ts=4 :
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