/[gentoo-x86]/eclass/alternatives.eclass
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1# Copyright 1999-2003 Gentoo Technologies, Inc. 1# Copyright 1999-2003 Gentoo Technologies, Inc.
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/alternatives.eclass,v 1.6 2003/11/01 18:33:58 liquidx Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/alternatives.eclass,v 1.7 2003/11/24 10:57:06 liquidx Exp $
4 4
5# Author : Alastair Tse <liquidx@gentoo.org> (03 Oct 2003) 5# Author : Alastair Tse <liquidx@gentoo.org> (03 Oct 2003)
6# Short Desc: Creates symlink to the latest version of multiple slotted 6# Short Desc: Creates symlink to the latest version of multiple slotted
7# packages. 7# packages.
8# 8#
… …
79 # and if one exists, link it and finish. 79 # and if one exists, link it and finish.
80 80
81 for alt in ${ALTERNATIVES}; do 81 for alt in ${ALTERNATIVES}; do
82 if [ -f "${pref}${alt}" ]; then 82 if [ -f "${pref}${alt}" ]; then
83 einfo "Linking ${alt} to ${pref}${SYMLINK}" 83 einfo "Linking ${alt} to ${pref}${SYMLINK}"
84 [ -L "${pref}${SYMLINK}" ] && rm -f ${pref}${SYMLINK}
85 #are files in same directory? 84 #are files in same directory?
86 if [ "${alt%/*}" = "${SYMLINK%/*}" ] 85 if [ "${alt%/*}" = "${SYMLINK%/*}" ]
87 then 86 then
88 #yes; strip leading dirname from alt to create relative symlink 87 #yes; strip leading dirname from alt to create relative symlink
89 ln -s ${alt##*/} ${pref}${SYMLINK} 88 ln -sf ${alt##*/} ${pref}${SYMLINK}
90 else 89 else
91 #no; keep absolute path 90 #no; keep absolute path
92 ln -s ${pref}${alt} ${pref}${SYMLINK} 91 ln -sf ${pref}${alt} ${pref}${SYMLINK}
93 fi 92 fi
94 break 93 break
95 fi 94 fi
96 done 95 done
97 96
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