From b37706b4b56734182c009e96421fe1fd9d868e6d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=A9rald=20Barr=C3=A9?= <git@meziantou.net>
Date: Sun, 30 Jul 2023 20:59:26 -0400
Subject: [PATCH] Parallelize file generation

---
 tools/ConfigFilesGenerator/Program.cs | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/tools/ConfigFilesGenerator/Program.cs b/tools/ConfigFilesGenerator/Program.cs
index 9c05466..9883145 100644
--- a/tools/ConfigFilesGenerator/Program.cs
+++ b/tools/ConfigFilesGenerator/Program.cs
@@ -18,8 +18,10 @@
 var rootFolder = GetRootFolderPath();
 
 var writtenFiles = 0;
-await foreach (var (packageId, packageVersion) in GetReferencedNuGetPackages())
+await Parallel.ForEachAsync(GetReferencedNuGetPackages(), async (item, cancellationToken) =>
 {
+    var (packageId, packageVersion) = item;
+
     Console.WriteLine(packageId + "@" + packageVersion);
     var configurationFilePath = rootFolder / "src" / "configuration" / ("Analyzer." + packageId + ".editorconfig");
 
@@ -91,12 +93,12 @@
         if (File.Exists(configurationFilePath))
         {
             if (File.ReadAllText(configurationFilePath).ReplaceLineEndings() == sb.ToString().ReplaceLineEndings())
-                continue;
+                return;
         }
 
         configurationFilePath.CreateParentDirectory();
-        await File.WriteAllTextAsync(configurationFilePath, sb.ToString());
-        writtenFiles++;
+        await File.WriteAllTextAsync(configurationFilePath, sb.ToString(), cancellationToken);
+        Interlocked.Increment(ref writtenFiles);
 
         static string GetSeverity(DiagnosticSeverity? severity)
         {
@@ -108,7 +110,7 @@ static string GetSeverity(DiagnosticSeverity? severity)
             };
         }
     }
-}
+});
 
 return writtenFiles;