Create anonymous hash to detect issue duplication

src/NzbDrone.Common.Test/HashUtilFixture.cs

@@ -0,0 +1,21 @@
+using FluentAssertions;
+using NUnit.Framework;
+
+namespace NzbDrone.Common.Test
+{
+    [TestFixture]
+    public class HashUtilFixture
+    {
+        [Test]
+        public void should_create_anon_id()
+        {
+            HashUtil.AnonymousToken().Should().NotBeNullOrEmpty();
+        }
+
+        [Test]
+        public void should_create_the_same_id()
+        {
+            HashUtil.AnonymousToken().Should().Be(HashUtil.AnonymousToken());
+        }
+    }
+}

src/NzbDrone.Common.Test/NzbDrone.Common.Test.csproj

@@ -84,6 +84,7 @@
     <Compile Include="ExtensionTests\IEnumerableExtensionTests\ExceptByFixture.cs" />
     <Compile Include="ExtensionTests\IEnumerableExtensionTests\IntersectByFixture.cs" />
     <Compile Include="ExtensionTests\Int64ExtensionFixture.cs" />
+    <Compile Include="HashUtilFixture.cs" />
     <Compile Include="Http\HttpClientFixture.cs" />
     <Compile Include="Http\HttpHeaderFixture.cs" />
     <Compile Include="Http\HttpRequestBuilderFixture.cs" />

src/NzbDrone.Common/HashUtil.cs

@@ -24,7 +24,13 @@ public static string CalculateCrc(string input)
                     }
                 }
             }
-            return string.Format("{0:x8}", mCrc);
+            return $"{mCrc:x8}";
+        }
+
+        public static string AnonymousToken()
+        {
+            var seed = $"{Environment.ProcessorCount}_{Environment.OSVersion.Platform}_{Environment.MachineName}_{Environment.UserName}";
+            return HashUtil.CalculateCrc(seed);
         }
     }
 }

src/NzbDrone.Common/Instrumentation/Sentry/MachineNameUserFactory.cs

@@ -1,4 +1,3 @@
-using System;
 using SharpRaven.Data;
 
 namespace NzbDrone.Common.Instrumentation.Sentry
@@ -7,7 +6,7 @@ public class MachineNameUserFactory : ISentryUserFactory
     {
         public SentryUser Create()
         {
-            return new SentryUser(Environment.MachineName);
+            return new SentryUser(HashUtil.AnonymousToken());
         }
     }
 }