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vapier 09/02/26 19:27:43 |
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Added: makeself-unpack |
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Log: |
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Add a script to unpack makeself archives. |
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(Portage version: 2.2_rc23/cvs/Linux x86_64) |
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Revision Changes Path |
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1.1 app-arch/makeself/files/makeself-unpack |
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file : http://sources.gentoo.org/viewcvs.py/gentoo-x86/app-arch/makeself/files/makeself-unpack?rev=1.1&view=markup |
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plain: http://sources.gentoo.org/viewcvs.py/gentoo-x86/app-arch/makeself/files/makeself-unpack?rev=1.1&content-type=text/plain |
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Index: makeself-unpack |
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=================================================================== |
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#!/bin/bash |
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|
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# Glue to keep unpack_makeself() unchanged |
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source /etc/init.d/functions.sh |
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find_unpackable_file() { echo "$@"; } |
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debug-print() { :; } |
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emktemp() { mktemp "$@"; } |
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alias assert='_pipestatus="${PIPESTATUS[*]}"; [[ "${_pipestatus// /}" -eq 0 ]] || die' |
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|
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# Straight copied from eutils.eclass ... should be kept in sync |
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unpack_makeself() { |
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local src_input=${1:-${A}} |
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local src=$(find_unpackable_file "${src_input}") |
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local skip=$2 |
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local exe=$3 |
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|
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[[ -z ${src} ]] && die "Could not locate source for '${src_input}'" |
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|
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local shrtsrc=$(basename "${src}") |
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echo ">>> Unpacking ${shrtsrc} to ${PWD}" |
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if [[ -z ${skip} ]] ; then |
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local ver=$(grep -a '#.*Makeself' "${src}" | awk '{print $NF}') |
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local skip=0 |
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exe=tail |
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case ${ver} in |
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1.5.*|1.6.0-nv) # tested 1.5.{3,4,5} ... guessing 1.5.x series is same |
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skip=$(grep -a ^skip= "${src}" | cut -d= -f2) |
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;; |
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2.0|2.0.1) |
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skip=$(grep -a ^$'\t'tail "${src}" | awk '{print $2}' | cut -b2-) |
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;; |
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2.1.1) |
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skip=$(grep -a ^offset= "${src}" | awk '{print $2}' | cut -b2-) |
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let skip="skip + 1" |
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;; |
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2.1.2) |
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skip=$(grep -a ^offset= "${src}" | awk '{print $3}' | head -n 1) |
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let skip="skip + 1" |
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;; |
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2.1.3) |
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skip=`grep -a ^offset= "${src}" | awk '{print $3}'` |
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let skip="skip + 1" |
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;; |
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2.1.4|2.1.5) |
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skip=$(grep -a offset=.*head.*wc "${src}" | awk '{print $3}' | head -n 1) |
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skip=$(head -n ${skip} "${src}" | wc -c) |
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exe="dd" |
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;; |
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*) |
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eerror "I'm sorry, but I was unable to support the Makeself file." |
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eerror "The version I detected was '${ver}'." |
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eerror "Please file a bug about the file ${shrtsrc} at" |
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eerror "http://bugs.gentoo.org/ so that support can be added." |
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die "makeself version '${ver}' not supported" |
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;; |
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esac |
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debug-print "Detected Makeself version ${ver} ... using ${skip} as offset" |
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fi |
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case ${exe} in |
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tail) exe="tail -n +${skip} '${src}'";; |
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dd) exe="dd ibs=${skip} skip=1 obs=1024 conv=sync if='${src}'";; |
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*) die "makeself cant handle exe '${exe}'" |
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esac |
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|
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# lets grab the first few bytes of the file to figure out what kind of archive it is |
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local tmpfile=$(emktemp) |
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eval ${exe} 2>/dev/null | head -c 512 > "${tmpfile}" |
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local filetype=$(file -b "${tmpfile}") |
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case ${filetype} in |
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*tar\ archive*) |
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eval ${exe} | tar --no-same-owner -xf - |
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;; |
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bzip2*) |
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eval ${exe} | bzip2 -dc | tar --no-same-owner -xf - |
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;; |
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gzip*) |
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eval ${exe} | tar --no-same-owner -xzf - |
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;; |
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compress*) |
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eval ${exe} | gunzip | tar --no-same-owner -xf - |
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;; |
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*) |
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eerror "Unknown filetype \"${filetype}\" ?" |
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false |
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;; |
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esac |
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assert "failure unpacking (${filetype}) makeself ${shrtsrc} ('${ver}' +${skip})" |
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} |
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|
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for x; do unpack_makeself "$x" ; done |
Archives