Use a generated regex

dotnet · Jul 19, 2023 · 7a66289 · 7a66289
1 parent 015258c
commit 7a66289
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/tasks/WorkloadBuildTasks/InstallWorkloadFromArtifacts.cs b/src/tasks/WorkloadBuildTasks/InstallWorkloadFromArtifacts.cs
@@ -19,7 +19,7 @@
 
 namespace Microsoft.Workload.Build.Tasks
 {
-    public class InstallWorkloadFromArtifacts : Task
+    public partial class InstallWorkloadFromArtifacts : Task
     {
         [Required, NotNull]
         public ITaskItem[]    WorkloadIds        { get; set; } = Array.Empty<ITaskItem>();
@@ -49,6 +49,9 @@ public class InstallWorkloadFromArtifacts : Task
         private string _tempDir = string.Empty;
         private string _nugetCachePath = string.Empty;
 
+        [GeneratedRegex(@"^\d+\.\d+\.\d+(-[A-z]*\.*\d*)?")]
+        private static partial Regex bandVersionRegex();
+
         public override bool Execute()
         {
             _tempDir = Path.Combine(Path.GetTempPath(), $"workload-{Path.GetRandomFileName()}");
@@ -294,7 +297,7 @@ private bool InstallWorkloadManifest(ITaskItem workloadId, string name, string v
 
             string outputDir = FindSubDirIgnoringCase(manifestVersionBandDir, name);
             // regex matching the version band, e.g. 6.0.100-preview.3.21202.5 => 6.0.100-preview.3
-            string bandVersion = Regex.Match(version, @"^\d+\.\d+\.\d+(-[A-z]*\.*\d*)?").Value;
+            string bandVersion = bandVersionRegex().Match(version).Value;
 
             PackageReference pkgRef = new(Name: $"{name}.Manifest-{bandVersion}",
                                           Version: version,