GlobalAssemblyInfo.cs and strong naming
I have a GlobalAssemblyInfo.cs file in the root of my solution, and I have something like the following entry in it to enable strong naming of my output assemblies.
#pragma warning disable 1699
[assembly : AssemblyKeyFile("..keyfile.snk")]
#pragma warning restore 1699
This approach has two drawbacks. Firstly, AssemblyKeyFileAttribute is deprecated, and so to avoid compilation warnings I need the pragma lines you see above. Secondly, I either need to keep all my projects at the same depth relative to the root to use the relative path, or use an absolute path, which dictates a checkout location on other users' machines (and on continuous integration servers/build agents).
Does anyone have a better solution than this, other than going through each project setting strong naming in the project file?
Those attributes for key signing were deprecated for good reason (information leakage), which is another reason to go the project route.
If you have a lot of projects it might be possible to set them via a recorded macro, or even directly manipulating the .csproj files (ensure they are unloaded from VS first).
Well, to avoid the path problem you can use [assembly:AssemblyKeyName(...)] instead (although IIRC this is also deprecated); use sn -i to install a named key. Each machine (that does builds) would need this key adding.
Other than that; yes, you'd probably need to edit the project files.
Richard makes a good point about information leakage - I've now found posts from Microsoft's .NET team where they describe this. So I've gone for his suggestion and come up with the following NAnt target:
<target name="strongName" description="Strong names the output DLLs">
<foreach item="File" property="filename">
<in>
<items>
<include name="**/*.csproj"></include>
<exclude name="**/*.Test.csproj"></include>
</items>
</in>
<do>
<echo message="${filename}" />
<xmlpoke file="${filename}" xpath="/m:Project/m:PropertyGroup/m:SignAssembly" value="false">
<namespaces>
<namespace prefix="m" uri="http://schemas.microsoft.com/developer/msbuild/2003" />
</namespaces>
</xmlpoke>
<xmlpoke file="${filename}" xpath="/m:Project/m:PropertyGroup/m:AssemblyOriginatorKeyFile" value="..keyfile.snk">
<namespaces>
<namespace prefix="m" uri="http://schemas.microsoft.com/developer/msbuild/2003" />
</namespaces>
</xmlpoke>
</do>
</foreach>
</target>
The <namespaces> element is necessary for the XPath to be resolved in the csproj file - note that this is for VS2008, and something slightly different may be needed in VS2005.
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