incremental_nuget.csproj

	<Target Name="PackIncremental" AfterTargets="Build">
		<PropertyGroup>
			<!-- if version is greater than MAX_VALUE then version gets reset to 0 -->
			<!-- set max value to uint16.MaxValue which is the limit of the assembly metadata format-->
			<MAX_VALUE>65534</MAX_VALUE>
		</PropertyGroup>
		
		<!-- create file if it does not exist-->
		<WriteLinesToFile Condition="!Exists('VERSION_MAJOR.txt')" File="VERSION_MAJOR.txt" Lines="0" Overwrite="true" Encoding="Unicode" />
		<WriteLinesToFile Condition="!Exists('VERSION_MINOR.txt')" File="VERSION_MINOR.txt" Lines="0" Overwrite="true" Encoding="Unicode" />
		<WriteLinesToFile Condition="!Exists('VERSION_BUILD.txt')" File="VERSION_BUILD.txt" Lines="0" Overwrite="true" Encoding="Unicode" />
					
		<!-- read current values-->
		<ReadLinesFromFile File="VERSION_BUILD.txt">
			<Output TaskParameter="Lines" ItemName="VERSION_BUILD" />
		</ReadLinesFromFile>
		<ReadLinesFromFile File="VERSION_MINOR.txt">
			<Output TaskParameter="Lines" ItemName="VERSION_MINOR" />
		</ReadLinesFromFile>
		<ReadLinesFromFile File="VERSION_MAJOR.txt">
			<Output TaskParameter="Lines" ItemName="VERSION_MAJOR" />
		</ReadLinesFromFile>
		
		<!-- initialize variables to the read values-->
		<PropertyGroup>
			<VERSION_BUILD>@(VERSION_BUILD)</VERSION_BUILD>
			<VERSION_BUILD_TMP>@(VERSION_BUILD)</VERSION_BUILD_TMP>
			<VERSION_MINOR>@(VERSION_MINOR)</VERSION_MINOR>
			<VERSION_MINOR_TMP>@(VERSION_MINOR)</VERSION_MINOR_TMP>
			<VERSION_MAJOR>@(VERSION_MAJOR)</VERSION_MAJOR>
			<VERSION_MAJOR_TMP>@(VERSION_MAJOR)</VERSION_MAJOR_TMP>
		</PropertyGroup>

		<Message Text="init VERSION_BUILD: @(VERSION_BUILD)" />
		<Message Text="init VERSION_MINOR: @(VERSION_MINOR)" />
		<Message Text="init VERSION_MAJOR: @(VERSION_MAJOR)" />
		
		<!-- we cannot use arithmatic so to get around this we use DateTime -->
		
		<!-- increment VERSION_BUILD-->
		<PropertyGroup>
			<VERSION_BUILD_TMP>@(VERSION_BUILD)</VERSION_BUILD_TMP>
			<VERSION_BUILD>$([System.DateTime]::FromBinary($(VERSION_BUILD_TMP)).AddTicks(1).Ticks)</VERSION_BUILD>
			<VERSION_BUILD_TMP>$(VERSION_BUILD)</VERSION_BUILD_TMP>
		</PropertyGroup>
		
		<!-- conditionally increment VERSION_MINOR and VERSION_MAJOR-->

		<Message Condition="$(VERSION_BUILD) &gt; $(MAX_VALUE)" Text="VERSION_BUILD &gt; MAX_VALUE" />
		<PropertyGroup Condition="$(VERSION_BUILD) &gt; $(MAX_VALUE)">
			<VERSION_BUILD>0</VERSION_BUILD>
			
			<VERSION_MINOR_TMP>@(VERSION_MINOR)</VERSION_MINOR_TMP>
			<VERSION_MINOR>$([System.DateTime]::FromBinary($(VERSION_MINOR_TMP)).AddTicks(1).Ticks)</VERSION_MINOR>
			<VERSION_MINOR_TMP>$(VERSION_MINOR)</VERSION_MINOR_TMP>
		</PropertyGroup>

		<Message Condition="$(VERSION_MINOR) &gt; $(MAX_VALUE)" Text="VERSION_MINOR &gt; MAX_VALUE" />
		<PropertyGroup Condition="$(VERSION_MINOR) &gt; $(MAX_VALUE)">
			<VERSION_MINOR>0</VERSION_MINOR>
			
			<VERSION_MAJOR_TMP>@(VERSION_MAJOR)</VERSION_MAJOR_TMP>
			<VERSION_MAJOR>$([System.DateTime]::FromBinary($(VERSION_MAJOR_TMP)).AddTicks(1).Ticks)</VERSION_MAJOR>
		</PropertyGroup>
		
		<Message Condition="$(VERSION_MAJOR) &gt; $(MAX_VALUE)" Text="VERSION_MAJOR &gt; MAX_VALUE" />
		<PropertyGroup Condition="$(VERSION_MAJOR) &gt; $(MAX_VALUE)">
			<VERSION_BUILD>0</VERSION_BUILD>
			<VERSION_MINOR>0</VERSION_MINOR>
			<VERSION_MAJOR>0</VERSION_MAJOR>
		</PropertyGroup>
		
		<!-- conditionally write incremented versions to file -->
		<WriteLinesToFile File="VERSION_BUILD.txt" Lines="$(VERSION_BUILD)" Overwrite="true" Encoding="Unicode" />
		<WriteLinesToFile Condition="$(VERSION_BUILD_TMP) &gt; $(MAX_VALUE)" File="VERSION_MINOR.txt" Lines="$(VERSION_MINOR)" Overwrite="true" Encoding="Unicode" />
		<WriteLinesToFile Condition="$(VERSION_MINOR_TMP) &gt; $(MAX_VALUE)" File="VERSION_MAJOR.txt" Lines="$(VERSION_MAJOR)" Overwrite="true" Encoding="Unicode" />
		
		<!-- maximum version number is 65534 for each value-->
		<Message Text="pack VERSION_BUILD: @(VERSION_BUILD) -&gt; $(VERSION_BUILD)" />
		<Message Text="pack VERSION_MINOR: @(VERSION_MINOR) -&gt; $(VERSION_MINOR)" />
		<Message Text="pack VERSION_MAJOR: @(VERSION_MAJOR) -&gt; $(VERSION_MAJOR)" />

		<Exec Command="dotnet pack $(MSBuildProjectDirectory)\$(MSBuildProjectName).csproj --no-build /p:Version=$(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_BUILD)"></Exec>
	</Target>