I'd like to create a MSBuild project that reflects the project dependencies in a solution and wraps the VS projects inside reusable targets.

The problem I like solve doing this is to svn-export, build and deploy a specific assembly (and its dependencies) in an BizTalk application.

My question is: How can I make the targets for svn-exporting, building and deploying reusable and also reuse the wrapped projects when they are built for different dependencies?

I know it would be simpler to just build the solution and deploy only the assemblies needed but I'd like to reuse the targets as much as possible.

The parts

The project I like to deploy

<Project DefaultTargets="Deploy" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
    <PropertyGroup>
        <ExportRoot Condition="'$(Export)'==''">Export</ExportRoot>
    </PropertyGroup>

    <Target Name="Clean_Export">
        <RemoveDir Directories="$(ExportRoot)\My.Project.Dir" />
    </Target>

    <Target Name="Export_MyProject">
        <Exec Command="svn export svn://xxx/trunk/Biztalk2009/MyProject.btproj --force" WorkingDirectory="$(ExportRoot)" />
    </Target>

    <Target Name="Build_MyProject" DependsOnTargets="Export_MyProject">
        <MSBuild Projects="$(ExportRoot)\My.Project.Dir\MyProject.btproj" Targets="Build" Properties="Configuration=Release"></MSBuild>
    </Target>

    <Target Name="Deploy_MyProject" DependsOnTargets="Build_MyProject">
        <Exec Command="BTSTask AddResource -ApplicationName:CORE -Source:MyProject.dll" />
    </Target>
</Project>

The projects it depends upon look almost exactly like this (other .btproj and .csproj).