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https://github.com/Ponce/slackbuilds
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84 lines
3.6 KiB
Bash
84 lines
3.6 KiB
Bash
# Copyright 1999-2011 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/vmware-bundle.eclass,v 1.2 2011/08/22 04:46:32 vapier Exp $
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# @ECLASS: vmware-bundle.eclass
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# @MAINTAINER:
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# vmware@gentoo.org
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# @AUTHOR:
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# Matt Whitlock <matt@whitlock.name>
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# @BLURB: Provides extract functionality for vmware products bundles
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# This version of the file has been modified to work as part of the vmware SlackBuild. Since the
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# modifications are limited to renaming functions, we'll keep the original header
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extract_bundle_component() {
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local bundle=${1:?} component=${2:?} dest=${3:-${2}}
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cat > "${CWD}"/list-bundle-components.xsl <<-EOF
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
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<xsl:output omit-xml-declaration="yes"/>
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<xsl:template match="text()"/>
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<xsl:template match="/bundle/components/component">
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<xsl:value-of select="@offset"/>
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<xsl:text> </xsl:text>
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<xsl:value-of select="@size"/>
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<xsl:text> </xsl:text>
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<xsl:value-of select="@name"/>
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<xsl:text> </xsl:text>
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</xsl:template>
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</xsl:stylesheet>
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EOF
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local -i bundle_size=$(stat -L -c'%s' "${bundle}")
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local -i bundle_manifestOffset=$(od -An -j$((bundle_size-36)) -N4 -tu4 "${bundle}")
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local -i bundle_manifestSize=$(od -An -j$((bundle_size-40)) -N4 -tu4 "${bundle}")
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local -i bundle_dataOffset=$(od -An -j$((bundle_size-44)) -N4 -tu4 "${bundle}")
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local -i bundle_dataSize=$(od -An -j$((bundle_size-52)) -N8 -tu8 "${bundle}")
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tail -c+$((bundle_manifestOffset+1)) "${bundle}" 2> /dev/null | head -c$((bundle_manifestSize)) |
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xsltproc "${CWD}"/list-bundle-components.xsl - |
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while read -r component_offset component_size component_name ; do
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if [[ ${component_name} == ${component} ]] ; then
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echo "Extracting '${component_name}' component from '$(basename "${bundle}")'"
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extract_component "${bundle}" "${dest}" $((bundle_dataOffset+component_offset))
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echo "Done."
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fi
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done
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}
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extract_component() {
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local component=${1:?} dest=${2:-.}
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local -i offset=${3}
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cat > "${CWD}"/list-component-files.xsl <<-EOF
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
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<xsl:output omit-xml-declaration="yes"/>
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<xsl:template match="text()"/>
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<xsl:template match="/component/fileset/file">
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<xsl:value-of select="@offset"/>
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<xsl:text> </xsl:text>
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<xsl:value-of select="@compressedSize"/>
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<xsl:text> </xsl:text>
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<xsl:value-of select="@uncompressedSize"/>
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<xsl:text> </xsl:text>
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<xsl:value-of select="@path"/>
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<xsl:text> </xsl:text>
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</xsl:template>
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</xsl:stylesheet>
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EOF
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local -i component_manifestOffset=$(od -An -j$((offset+9)) -N4 -tu4 "${component}")
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local -i component_manifestSize=$(od -An -j$((offset+13)) -N4 -tu4 "${component}")
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local -i component_dataOffset=$(od -An -j$((offset+17)) -N4 -tu4 "${component}")
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local -i component_dataSize=$(od -An -j$((offset+21)) -N8 -tu8 "${component}")
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tail -c+$((offset+component_manifestOffset+1)) "${component}" 2> /dev/null |
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head -c$((component_manifestSize)) | xsltproc "${CWD}"/list-component-files.xsl - |
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while read -r file_offset file_compressedSize file_uncompressedSize file_path ; do
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if [[ ${file_path} ]] ; then
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echo -n '.'
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file_path="${dest}/${file_path}"
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mkdir -p "$(dirname "${file_path}")" || die
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tail -c+$((offset+component_dataOffset+file_offset+1)) "${component}" 2> /dev/null |
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head -c$((file_compressedSize)) | gzip -cd > "${file_path}" || die
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fi
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done
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echo
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}
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