| 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 1.40 2003/07/02 23:01:08 vapier Exp $ |
3 | # $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.41 2003/07/14 04:47:17 vapier 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. |
| … | |
… | |
| 826 | eend $? |
826 | eend $? |
| 827 | |
827 | |
| 828 | done |
828 | done |
| 829 | |
829 | |
| 830 | } |
830 | } |
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831 | |
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832 | # Unpack those pesky makeself generated files ... |
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833 | # They're shell scripts with the binary package tagged onto |
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834 | # the end of the archive. Loki utilized the format as does |
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835 | # many other game companies. |
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836 | # |
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837 | # Usage: unpack_makeself [file to unpack] [offset] |
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838 | # - If the file is not specified then unpack will utilize ${A}. |
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839 | # - If the offset is not specified then we will attempt to extract |
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840 | # the proper offset from the script itself. |
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841 | unpack_makeself() { |
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842 | local src=$1 |
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843 | local skip=$2 |
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844 | |
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845 | [ -z "${src}" ] && src=${A} |
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846 | [ -e ./${src} ] \ |
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847 | && src=${PWD}/${src} \ |
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848 | || src=${DISTDIR}/${src} |
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849 | local shrtsrc=`basename ${src}` |
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850 | echo ">>> Unpacking ${shrtsrc} to ${PWD}" |
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851 | if [ -z "${skip}" ] ; then |
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852 | local ver="`grep -a '#.*Makeself' ${src} | awk '{print $NF}'`" |
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853 | local skip=0 |
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854 | case ${ver} in |
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855 | 1.5.*) # tested 1.5.{3,4,5} ... guessing 1.5.x series is same |
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856 | skip=`grep -a ^skip= ${src} | cut -d= -f2` |
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857 | ;; |
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858 | 2.0|2.0.1) |
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859 | skip=`grep -a ^$'\t'tail ${src} | awk '{print $2}' | cut -b2-` |
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860 | ;; |
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861 | 2.1.1) |
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862 | skip=`grep -a ^offset= ${src} | awk '{print $2}' | cut -b2-` |
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863 | let skip="skip + 1" |
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864 | ;; |
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865 | *) |
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866 | eerror "I'm sorry, but I was unable to support the Makeself file." |
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867 | eerror "The version I detected was '${ver}'." |
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868 | eerror "Please file a bug about the file ${shrtsrc} at" |
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869 | eerror "http://bugs.gentoo.org/ so that support can be added." |
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870 | die "makeself version '${ver}' not supported" |
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871 | ;; |
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872 | esac |
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873 | debug-print "Detected Makeself version ${ver} ... using ${skip} as offset" |
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874 | fi |
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875 | |
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876 | # we do this because otherwise a failure in gzip will cause 0 bytes to be sent |
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877 | # to tar which will make tar not extract anything and exit with 0 |
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878 | local out="`tail +${skip} ${src} | gzip -cd | tar -x --no-same-owner -v -f -`" |
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879 | [ -z "${out}" ] && die "failure unpacking makeself ${shrtsrc} ('${ver}' +${skip})" |
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880 | } |
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