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authorMike Gilbert <floppym@gentoo.org>2017-12-30 19:04:18 -0500
committerMike Gilbert <floppym@gentoo.org>2017-12-30 19:04:18 -0500
commitd4db7e3a20002a37bce47c79e16634757fc287ae (patch)
treebaccb670eabc9984f90eed81cffc8e34a193732a
parentapp-emulation/vmware-modules: add support to kernel 4.15-rc2 (diff)
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vmware-bundle.eclass: copy from gentoo
Bug: https://bugs.gentoo.org/642710
-rw-r--r--eclass/vmware-bundle.eclass86
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 > "${T}"/list-bundle-components.xsl <<-EOF
+ <?xml version="1.0" encoding="ISO-8859-1"?>
+ <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+ <xsl:output omit-xml-declaration="yes"/>
+ <xsl:template match="text()"/>
+ <xsl:template match="/bundle/components/component">
+ <xsl:value-of select="@offset"/>
+ <xsl:text> </xsl:text>
+ <xsl:value-of select="@size"/>
+ <xsl:text> </xsl:text>
+ <xsl:value-of select="@name"/>
+ <xsl:text>&#10;</xsl:text>
+ </xsl:template>
+ </xsl:stylesheet>
+ EOF
+ local -i bundle_size=$(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 > "${T}"/list-component-files.xsl <<-EOF
+ <?xml version="1.0" encoding="ISO-8859-1"?>
+ <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+ <xsl:output omit-xml-declaration="yes"/>
+ <xsl:template match="text()"/>
+ <xsl:template match="/component/fileset/file">
+ <xsl:value-of select="@offset"/>
+ <xsl:text> </xsl:text>
+ <xsl:value-of select="@compressedSize"/>
+ <xsl:text> </xsl:text>
+ <xsl:value-of select="@uncompressedSize"/>
+ <xsl:text> </xsl:text>
+ <xsl:value-of select="@path"/>
+ <xsl:text>&#10;</xsl:text>
+ </xsl:template>
+ </xsl:stylesheet>
+ EOF
+ local -i component_manifestOffset=$(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
+}