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1# Copyright 1999-2009 Gentoo Foundation 1# Copyright 1999-2009 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.349 2010/08/19 21:32:26 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.352 2010/11/22 00:31:03 vapier Exp $
4 4
5# @ECLASS: eutils.eclass 5# @ECLASS: eutils.eclass
6# @MAINTAINER: 6# @MAINTAINER:
7# base-system@gentoo.org 7# base-system@gentoo.org
8# @BLURB: many extra (but common) functions that are used in ebuilds 8# @BLURB: many extra (but common) functions that are used in ebuilds
200# If you do not specify any options, then epatch will default to the directory 200# If you do not specify any options, then epatch will default to the directory
201# specified by EPATCH_SOURCE. 201# specified by EPATCH_SOURCE.
202# 202#
203# When processing directories, epatch will apply all patches that match: 203# When processing directories, epatch will apply all patches that match:
204# @CODE 204# @CODE
205# ${EPATCH_FORCE} == "yes" 205# if ${EPATCH_FORCE} != "yes"
206# ??_${ARCH}_foo.${EPATCH_SUFFIX} 206# ??_${ARCH}_foo.${EPATCH_SUFFIX}
207# else 207# else
208# *.${EPATCH_SUFFIX} 208# *.${EPATCH_SUFFIX}
209# @CODE 209# @CODE
210# The leading ?? are typically numbers used to force consistent patch ordering. 210# The leading ?? are typically numbers used to force consistent patch ordering.
1785 ewarn "the libraries are not being removed. You need to run revdep-rebuild" 1785 ewarn "the libraries are not being removed. You need to run revdep-rebuild"
1786 ewarn "in order to remove these old dependencies. If you do not have this" 1786 ewarn "in order to remove these old dependencies. If you do not have this"
1787 ewarn "helper program, simply emerge the 'gentoolkit' package." 1787 ewarn "helper program, simply emerge the 'gentoolkit' package."
1788 ewarn 1788 ewarn
1789 fi 1789 fi
1790 ewarn " # revdep-rebuild --library ${lib##*/}" 1790 ewarn " # revdep-rebuild --library '${lib}'"
1791 done 1791 done
1792 if [[ ${notice} -eq 1 ]] ; then 1792 if [[ ${notice} -eq 1 ]] ; then
1793 ewarn 1793 ewarn
1794 ewarn "Once you've finished running revdep-rebuild, it should be safe to" 1794 ewarn "Once you've finished running revdep-rebuild, it should be safe to"
1795 ewarn "delete the old libraries. Here is a copy & paste for the lazy:" 1795 ewarn "delete the old libraries. Here is a copy & paste for the lazy:"
1964 1964
1965# find usr/share/doc -exec gzip {} + 1965# find usr/share/doc -exec gzip {} +
1966# ecompressdir --ignore /usr/share/doc/${PF}/html 1966# ecompressdir --ignore /usr/share/doc/${PF}/html
1967# ecompressdir --queue /usr/share/doc 1967# ecompressdir --queue /usr/share/doc
1968#} 1968#}
1969
1970# @FUNCTION: path_exists
1971# @USAGE: [-a|-o] <paths>
1972# @DESCRIPTION:
1973# Check if the specified paths exist. Works for all types of paths
1974# (files/dirs/etc...). The -a and -o flags control the requirements
1975# of the paths. They correspond to "and" and "or" logic. So the -a
1976# flag means all the paths must exist while the -o flag means at least
1977# one of the paths must exist. The default behavior is "and". If no
1978# paths are specified, then the return value is "false".
1979path_exists() {
1980 local opt=$1
1981 [[ ${opt} == -[ao] ]] && shift || opt="-a"
1982
1983 # no paths -> return false
1984 # same behavior as: [[ -e "" ]]
1985 [[ $# -eq 0 ]] && return 1
1986
1987 local p r=0
1988 for p in "$@" ; do
1989 [[ -e ${p} ]]
1990 : $(( r += $? ))
1991 done
1992
1993 case ${opt} in
1994 -a) return $(( r != 0 )) ;;
1995 -o) return $(( r == $# )) ;;
1996 esac
1997}

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