/[gentoo-x86]/eclass/eutils.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/eutils.eclass,v 1.45 2003/07/18 20:43:00 wolf31o2 Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.48 2003/08/25 13:39:17 wolf31o2 Exp $
4# 4#
5# Author: Martin Schlemmer <azarah@gentoo.org> 5# Author: Martin Schlemmer <azarah@gentoo.org>
6# 6#
7# This eclass is for general purpose functions that most ebuilds 7# This eclass is for general purpose functions that most ebuilds
8# have to implement themselves. 8# have to implement themselves.
858 ;; 858 ;;
859 2.1.1) 859 2.1.1)
860 skip=`grep -a ^offset= ${src} | awk '{print $2}' | cut -b2-` 860 skip=`grep -a ^offset= ${src} | awk '{print $2}' | cut -b2-`
861 let skip="skip + 1" 861 let skip="skip + 1"
862 ;; 862 ;;
863 2.1.3)
864 skip=`grep -a ^offset= ${src} | awk '{print $3}'`
865 let skip="skip + 1"
866 ;;
863 *) 867 *)
864 eerror "I'm sorry, but I was unable to support the Makeself file." 868 eerror "I'm sorry, but I was unable to support the Makeself file."
865 eerror "The version I detected was '${ver}'." 869 eerror "The version I detected was '${ver}'."
866 eerror "Please file a bug about the file ${shrtsrc} at" 870 eerror "Please file a bug about the file ${shrtsrc} at"
867 eerror "http://bugs.gentoo.org/ so that support can be added." 871 eerror "http://bugs.gentoo.org/ so that support can be added."
871 debug-print "Detected Makeself version ${ver} ... using ${skip} as offset" 875 debug-print "Detected Makeself version ${ver} ... using ${skip} as offset"
872 fi 876 fi
873 877
874 # we do this because otherwise a failure in gzip will cause 0 bytes to be sent 878 # we do this because otherwise a failure in gzip will cause 0 bytes to be sent
875 # to tar which will make tar not extract anything and exit with 0 879 # to tar which will make tar not extract anything and exit with 0
876 local out="`tail +${skip} ${src} | gzip -cd | tar -x --no-same-owner -v -f -`" 880 local out="`(tail +${skip} ${src} | gzip -cd | tar -x --no-same-owner -f -) 2>&1`"
881 if [ ! -z "${out}" ] ; then
882 # maybe it isnt gzipped ... they usually are, but not always ...
883 tail +${skip} ${src} | tar -x --no-same-owner -f - \
877 [ -z "${out}" ] && die "failure unpacking makeself ${shrtsrc} ('${ver}' +${skip})" 884 || die "failure unpacking makeself ${shrtsrc} ('${ver}' +${skip})"
885 fi
878} 886}

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