Add transform to update the VSIX extension version automatically when built.

LUFA/StudioIntegration/XSLT/lufa_vsmanifest_transform.xslt

+<!--
+             LUFA Library
+     Copyright (C) Dean Camera, 2013.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+-->
+
+<!-- Atmel Studio framework VSIX XML transform file -->
+
+<!-- -->
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:vs="http://schemas.microsoft.com/developer/vsx-schema/2010" version="1.0">
+	<xsl:output method="xml" omit-xml-declaration="yes"/>
+
+	<!-- Need to input the extension version for later use -->
+	<xsl:param name="extension-version"/>
+
+	<!-- Recursively match and copy/process all nodes/attributes -->
+	<xsl:template match="@*|node()">
+		<xsl:copy>
+			<xsl:apply-templates select="@*|node()"/>
+		</xsl:copy>
+	</xsl:template>
+
+	<!-- Update the extension version to the version of LUFA being used -->
+	<xsl:template match="vs:Version">
+		<xsl:copy>
+			<xsl:value-of select="$extension-version"/>
+		</xsl:copy>
+	</xsl:template>
+
+</xsl:stylesheet>

LUFA/StudioIntegration/makefile

@@ -16,6 +16,7 @@ EXTENSION_OUTPUT_XML := $(LUFA_ROOT)/../extension.xml
 MODULE_OUTPUT_XML    := $(LUFA_ROOT)/asf.xml
 XML_FILES            := $(filter-out $(TEMP_MANIFEST_FILE), $(shell ls *.xml))
 LUFA_VERSION_NUM     := $(shell grep LUFA_VERSION_STRING $(LUFA_ROOT)/Version.h | cut -d'"' -f2)
+EXT_VERSION_NUM      := $(shell date +"%y.%m.%d").$(LUFA_VERSION_NUM)
 
 all: check_filenames generate_xml generate_vsix
 
@@ -45,10 +46,9 @@ generate_xml: $(TEMP_MANIFEST_XML)
 	@xsltproc XSLT/lufa_extension_transform.xslt $< | xsltproc XSLT/lufa_indent_transform.xslt - > $(EXTENSION_OUTPUT_XML)
 	@echo "Atmel Studio extension.xml file generated."
 
-	@rm $(TEMP_MANIFEST_XML)
-
 generate_vsix: $(EXTENSION_OUTPUT_XML) $(MODULE_OUTPUT_XML)
-	cp VSIX/* $(LUFA_ROOT)/../
+	cp "VSIX/[Content_Types].xml" $(LUFA_ROOT)/../
+	xsltproc --stringparam extension-version $(EXT_VERSION_NUM) XSLT/lufa_vsmanifest_transform.xslt VSIX/extension.vsixmanifest > $(LUFA_ROOT)/../extension.vsixmanifest
 	cd $(LUFA_ROOT)/../; zip LUFA_AS_Extension.vsix -r --exclude=*StudioIntegration* *
 
 check_filenames: $(TEMP_MANIFEST_XML)