c# - assembly attributes not being emitted by roslyn -


i'm generating assemblies using roslyn, signing them using sn.exe tool, called in generatesnk method, below. use snk keyfile desktopstrongnameprovider pass in compilation option.

var snk = generatesnk($"{assemblyname}_key{revision}.snk", $@"{assemblyname}\{revision}\"); var snkpaths = immutablearray.create<string>(snk); var snprovider = new desktopstrongnameprovider(snkpaths);  csharpcompilation compilation = csharpcompilation.create(     assemblyname,     syntaxtrees: new[] { syntaxtree},     references:references,     options:new csharpcompilationoptions(         outputkind.dynamicallylinkedlibrary         ,strongnameprovider:snprovider         )     );

when try load assembly using:

assemblyloadcontext.default.loadfromassemblypath(assemblypath);

it works first time, when edit source code , make second version compile (using new strong name key sign with), while compilation succeeds, loading assembly using above code gives error:

system.io.fileloadexception: 'assembly same name loaded'

now usually, can load 2 versions of same assembly without issue, long both have different strong name keys. mean there problem way handling signing process?

here generatesnk method, reference:

public string generatesnk(string name,string subdir="") {     processstartinfo startinfo = new processstartinfo();     startinfo.createnowindow = true;     startinfo.useshellexecute = false;     startinfo.filename = "\""+this._sntoolpath+"\"";     var outputdir = this._keyfileoutputdir + subdir;     directory.createdirectory(outputdir);     startinfo.arguments = "-k \""+outputdir+name+"\"";     using (var process = process.start(startinfo)) {         process.waitforexit();     }     return outputdir+name; }

the key files generated, don't know what's going on. maybe i'm supposed implement strongnameprovider rather using desktopstrongnameprovider?


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