diff options
Diffstat (limited to 'eclass/vmware-bundle.eclass')
| -rw-r--r-- | eclass/vmware-bundle.eclass | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/eclass/vmware-bundle.eclass b/eclass/vmware-bundle.eclass new file mode 100644 index 0000000..6f72028 --- /dev/null +++ b/eclass/vmware-bundle.eclass @@ -0,0 +1,86 @@ +# Copyright 1999-2011 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +# @ECLASS: vmware-bundle.eclass +# @MAINTAINER: +# vmware@gentoo.org +# @AUTHOR: +# Matt Whitlock <matt@whitlock.name> +# @BLURB: Provides extract functionality for vmware products bundles + +DEPEND="dev-libs/libxslt" + +vmware-bundle_extract-bundle-component() { + local bundle=${1:?} component=${2:?} dest=${3:-${2}} + cat > "${T}"/list-bundle-components.xsl <<-EOF + <?xml version="1.0" encoding="ISO-8859-1"?> + <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> + <xsl:output omit-xml-declaration="yes"/> + <xsl:template match="text()"/> + <xsl:template match="/bundle/components/component"> + <xsl:value-of select="@offset"/> + <xsl:text> </xsl:text> + <xsl:value-of select="@size"/> + <xsl:text> </xsl:text> + <xsl:value-of select="@name"/> + <xsl:text> </xsl:text> + </xsl:template> + </xsl:stylesheet> + EOF + local -i bundle_size=$(stat -L -c'%s' "${bundle}") + local -i bundle_manifestOffset=$(od -An -j$((bundle_size-36)) -N4 -tu4 "${bundle}") + local -i bundle_manifestSize=$(od -An -j$((bundle_size-40)) -N4 -tu4 "${bundle}") + local -i bundle_dataOffset=$(od -An -j$((bundle_size-44)) -N4 -tu4 "${bundle}") + local -i bundle_dataSize=$(od -An -j$((bundle_size-52)) -N8 -tu8 "${bundle}") + tail -c+$((bundle_manifestOffset+1)) "${bundle}" 2> /dev/null | head -c$((bundle_manifestSize)) | + xsltproc "${T}"/list-bundle-components.xsl - | + while read -r component_offset component_size component_name ; do + if [[ ${component_name} == ${component} ]] ; then + ebegin "Extracting '${component_name}' component from '$(basename "${bundle}")'" + vmware-bundle_extract-component "${bundle}" "${dest}" $((bundle_dataOffset+component_offset)) + eend + fi + done +} + +vmware-bundle_extract-component() { + local component=${1:?} dest=${2:-.} + local -i offset=${3} + cat > "${T}"/list-component-files.xsl <<-EOF + <?xml version="1.0" encoding="ISO-8859-1"?> + <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> + <xsl:output omit-xml-declaration="yes"/> + <xsl:template match="text()"/> + <xsl:template match="/component/fileset/file"> + <xsl:value-of select="@offset"/> + <xsl:text> </xsl:text> + <xsl:value-of select="@compressedSize"/> + <xsl:text> </xsl:text> + <xsl:value-of select="@uncompressedSize"/> + <xsl:text> </xsl:text> + <xsl:value-of select="@path"/> + <xsl:text> </xsl:text> + </xsl:template> + </xsl:stylesheet> + EOF + local -i component_manifestOffset=$(od -An -j$((offset+9)) -N4 -tu4 "${component}") + local -i component_manifestSize=$(od -An -j$((offset+13)) -N4 -tu4 "${component}") + local -i component_dataOffset=$(od -An -j$((offset+17)) -N4 -tu4 "${component}") + local -i component_dataSize=$(od -An -j$((offset+21)) -N8 -tu8 "${component}") + tail -c+$((offset+component_manifestOffset+1)) "${component}" 2> /dev/null | + head -c$((component_manifestSize)) | xsltproc "${T}"/list-component-files.xsl - | + while read -r file_offset file_compressedSize file_uncompressedSize file_path ; do + if [[ ${file_path} ]] ; then + file_path="${dest}/${file_path}" + mkdir -p "$(dirname "${file_path}")" || die + if [[ ${file_compressedSize} -gt 0 ]] ; then + echo -n '.' + tail -c+$((offset+component_dataOffset+file_offset+1)) "${component}" 2> /dev/null | + head -c$((file_compressedSize)) | gzip -cd > "${file_path}" || die + else + echo -n 'x' + fi + fi + done + echo +} |