C#: Reduce nuget and razor logging.

Author: michaelnebel

csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/NugetExeWrapper.cs

@@ -175,7 +175,7 @@ private bool TryRestoreNugetPackage(string package)
             };
 
             var threadId = Environment.CurrentManagedThreadId;
-            void onOut(string s) => logger.LogInfo(s, threadId);
+            void onOut(string s) => logger.LogDebug(s, threadId);
             void onError(string s) => logger.LogError(s, threadId);
             var exitCode = pi.ReadOutput(out var _, onOut, onError);
             if (exitCode != 0)
@@ -235,7 +235,7 @@ private void RunMonoNugetCommand(string command, out IList<string> stdout)
             };
 
             var threadId = Environment.CurrentManagedThreadId;
-            void onOut(string s) => logger.LogInfo(s, threadId);
+            void onOut(string s) => logger.LogDebug(s, threadId);
             void onError(string s) => logger.LogError(s, threadId);
             pi.ReadOutput(out stdout, onOut, onError);
         }

csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/Razor.cs

@@ -64,9 +64,10 @@ public IEnumerable<string> GenerateFiles(IEnumerable<string> cshtmls, IEnumerabl
 
             try
             {
+                logger.LogInfo("Produce analyzer config content.");
                 GenerateAnalyzerConfig(cshtmls, analyzerConfig);
 
-                logger.LogInfo($"Analyzer config content: {File.ReadAllText(analyzerConfig)}");
+                logger.LogDebug($"Analyzer config content: {File.ReadAllText(analyzerConfig)}");
 
                 var args = new StringBuilder();
                 args.Append($"/target:exe /generatedfilesout:\"{outputFolder}\" /out:\"{dllPath}\" /analyzerconfig:\"{analyzerConfig}\" ");
@@ -88,7 +89,8 @@ public IEnumerable<string> GenerateFiles(IEnumerable<string> cshtmls, IEnumerabl
 
                 var argsString = args.ToString();
 
-                logger.LogInfo($"Running CSC to generate Razor source files with arguments: {argsString}.");
+                logger.LogInfo($"Running CSC to generate Razor source files.");
+                logger.LogDebug($"Running CSC to generate Razor source files with arguments: {argsString}.");
 
                 using (var sw = new StreamWriter(cscArgsPath))
                 {
@@ -126,4 +128,4 @@ private void DeleteFile(string path)
             }
         }
     }
-}
+}