Version Modifier Task is a MSBuild Task that lets you easiliy change your existing assemblyinfo file with a predefined pattern.

There are several examples on the internet that allows you to create your assemblyinfo file during a build or use a regular expression to change it. This can be done much more easier by using version modifier task

Example: you want to change your version during a build from 1.2.0.0 to 1.2.[currentyear].[revision]

With version modifier task you can accomplish this with a pattern defined in your task: Tell the version modifier task where your assemblyinfo file is located transform the version with the following pattern: [-].[-].[date=yyyy].[$revision] ''' Very easy, and most important: you can maintain all your statics in your existing assemblyinfo file, your build server will change only the the things that should be changed.

Setting up your VersionModifierTask

1. Download the lastest VersionModifierTask DLL

2. Include the following code snippet in your MSBuild Script:

<UsingTask TaskName="ModifyVersion" AssemblyFile="{anylocation}\MSBuild.VersionModifierTask.dll" />

3. Getting the your revision number from source control and put this in a variable $(LastChangedRevision)

4. Change the AssemblyInfo file with a year and the LastChangedRevision

<Target Name="AnyName">
        <ModifyVersion AssemblyInfoPath="{anylocation}\properties\assemblyinfo.cs"
        AssemblyVersionPattern="[-].[-].[2011].[$(LastChangedRevision)]"  />
</Target>

notes: the following properties can be set on the task:

• The following patterns can be used (the must be enclosed in brackets):

Caution:

The number of positions used in AssemblyVersion or AssemblyFileVersion should match the number of positions in the pattern.

Finally, run your build script

Good luck!