Fix analyzer warnings

Author: bording

Directory.Build.props

@@ -1,6 +1,7 @@
 <Project>
 
   <PropertyGroup>
+    <EnableNETAnalyzers>true</EnableNETAnalyzers>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <UseArtifactsOutput>true</UseArtifactsOutput>
     <DefineConstants Condition=" '$(ExtraDefine)' != '' ">$(DefineConstants);$(ExtraDefine)</DefineConstants>

LibGit2Sharp.Tests/desktop/SmartSubtransportFixture.cs

@@ -313,7 +313,7 @@ private HttpWebResponse GetResponseWithRedirects()
                             }
 
                             // rethrow if it's not 401
-                            throw ex;
+                            throw;
                         }
 
                         if (response.StatusCode == HttpStatusCode.Moved || response.StatusCode == HttpStatusCode.Redirect)

LibGit2Sharp/AmbiguousSpecificationException.cs

@@ -1,13 +1,17 @@
-using LibGit2Sharp.Core;
 using System;
+#if NETFRAMEWORK
 using System.Runtime.Serialization;
+#endif
+using LibGit2Sharp.Core;
 
 namespace LibGit2Sharp
 {
     /// <summary>
     /// The exception that is thrown when the provided specification cannot uniquely identify a reference, an object or a path.
     /// </summary>
+#if NETFRAMEWORK
     [Serializable]
+#endif
     public class AmbiguousSpecificationException : NativeException
     {
         /// <summary>
@@ -30,7 +34,7 @@ public AmbiguousSpecificationException(string message)
         /// <param name="format">A composite format string for use in <see cref="String.Format(IFormatProvider, string, object[])"/>.</param>
         /// <param name="args">An object array that contains zero or more objects to format.</param>
         public AmbiguousSpecificationException(string format, params object[] args)
-            : base(String.Format(format, args))
+            : base(string.Format(format, args))
         {
         }
 
@@ -43,6 +47,7 @@ public AmbiguousSpecificationException(string message, Exception innerException)
             : base(message, innerException)
         { }
 
+#if NETFRAMEWORK
         /// <summary>
         /// Initializes a new instance of the <see cref="AmbiguousSpecificationException"/> class with a serialized data.
         /// </summary>
@@ -51,6 +56,7 @@ public AmbiguousSpecificationException(string message, Exception innerException)
         protected AmbiguousSpecificationException(SerializationInfo info, StreamingContext context)
             : base(info, context)
         { }
+#endif
 
         internal override GitErrorCode ErrorCode
         {

LibGit2Sharp/BareRepositoryException.cs

@@ -1,5 +1,7 @@
 using System;
+#if NETFRAMEWORK
 using System.Runtime.Serialization;
+#endif
 using LibGit2Sharp.Core;
 
 namespace LibGit2Sharp
@@ -8,7 +10,9 @@ namespace LibGit2Sharp
     /// The exception that is thrown when an operation which requires a
     /// working directory is performed against a bare repository.
     /// </summary>
+#if NETFRAMEWORK
     [Serializable]
+#endif
     public class BareRepositoryException : NativeException
     {
         /// <summary>
@@ -43,6 +47,7 @@ public BareRepositoryException(string message, Exception innerException)
             : base(message, innerException)
         { }
 
+#if NETFRAMEWORK
         /// <summary>
         /// Initializes a new instance of the <see cref="LibGit2Sharp.BareRepositoryException"/> class with a serialized data.
         /// </summary>
@@ -51,6 +56,7 @@ public BareRepositoryException(string message, Exception innerException)
         protected BareRepositoryException(SerializationInfo info, StreamingContext context)
             : base(info, context)
         { }
+#endif
 
         internal BareRepositoryException(string message, GitErrorCategory category)
             : base(message, category)

LibGit2Sharp/CheckoutConflictException.cs

@@ -1,5 +1,7 @@
 using System;
+#if NETFRAMEWORK
 using System.Runtime.Serialization;
+#endif
 using LibGit2Sharp.Core;
 
 namespace LibGit2Sharp
@@ -9,7 +11,9 @@ namespace LibGit2Sharp
     /// because of a conflicting change staged in the index, or unstaged
     /// in the working directory.
     /// </summary>
+#if NETFRAMEWORK
     [Serializable]
+#endif
     public class CheckoutConflictException : NativeException
     {
         /// <summary>
@@ -44,6 +48,7 @@ public CheckoutConflictException(string message, Exception innerException)
             : base(message, innerException)
         { }
 
+#if NETFRAMEWORK
         /// <summary>
         /// Initializes a new instance of the <see cref="LibGit2Sharp.CheckoutConflictException"/> class with a serialized data.
         /// </summary>
@@ -52,6 +57,7 @@ public CheckoutConflictException(string message, Exception innerException)
         protected CheckoutConflictException(SerializationInfo info, StreamingContext context)
             : base(info, context)
         { }
+#endif
 
         internal CheckoutConflictException(string message, GitErrorCategory category)
             : base(message, category)

LibGit2Sharp/EmptyCommitException.cs

@@ -1,13 +1,17 @@
 using System;
+#if NETFRAMEWORK
 using System.Runtime.Serialization;
+#endif
 
 namespace LibGit2Sharp
 {
     /// <summary>
     /// The exception that is thrown when a commit would create an "empty"
     /// commit that is treesame to its parent without an explicit override.
     /// </summary>
+#if NETFRAMEWORK
     [Serializable]
+#endif
     public class EmptyCommitException : LibGit2SharpException
     {
         /// <summary>
@@ -42,6 +46,7 @@ public EmptyCommitException(string message, Exception innerException)
             : base(message, innerException)
         { }
 
+#if NETFRAMEWORK
         /// <summary>
         /// Initializes a new instance of the <see cref="EmptyCommitException"/> class with a serialized data.
         /// </summary>
@@ -50,5 +55,6 @@ public EmptyCommitException(string message, Exception innerException)
         protected EmptyCommitException(SerializationInfo info, StreamingContext context)
             : base(info, context)
         { }
+#endif
     }
 }

LibGit2Sharp/EntryExistsException.cs

@@ -1,13 +1,18 @@
 using System;
+#if NETFRAMEWORK
 using System.Runtime.Serialization;
+#endif
+
 using LibGit2Sharp.Core;
 
 namespace LibGit2Sharp
 {
     /// <summary>
     /// The exception that is thrown attempting to create a resource that already exists.
     /// </summary>
+#if NETFRAMEWORK
     [Serializable]
+#endif
     public class EntryExistsException : LibGit2SharpException
     {
         /// <summary>
@@ -42,6 +47,7 @@ public EntryExistsException(string message, Exception innerException)
             : base(message, innerException)
         { }
 
+#if NETFRAMEWORK
         /// <summary>
         /// Initializes a new instance of the <see cref="LibGit2Sharp.EntryExistsException"/> class with a serialized data.
         /// </summary>
@@ -50,6 +56,7 @@ public EntryExistsException(string message, Exception innerException)
         protected EntryExistsException(SerializationInfo info, StreamingContext context)
             : base(info, context)
         { }
+#endif
 
         internal EntryExistsException(string message, GitErrorCode code, GitErrorCategory category)
             : base(message, code, category)

LibGit2Sharp/InvalidSpecificationException.cs

@@ -1,5 +1,7 @@
 using System;
+#if NETFRAMEWORK
 using System.Runtime.Serialization;
+#endif
 using LibGit2Sharp.Core;
 
 namespace LibGit2Sharp
@@ -10,7 +12,9 @@ namespace LibGit2Sharp
     /// if the spec refers to an object of an incorrect type (e.g. asking to
     /// create a branch from a blob, or peeling a blob to a commit).
     /// </summary>
+#if NETFRAMEWORK
     [Serializable]
+#endif
     public class InvalidSpecificationException : NativeException
     {
         /// <summary>
@@ -45,6 +49,7 @@ public InvalidSpecificationException(string message, Exception innerException)
             : base(message, innerException)
         { }
 
+#if NETFRAMEWORK
         /// <summary>
         /// Initializes a new instance of the <see cref="InvalidSpecificationException"/> class with a serialized data.
         /// </summary>
@@ -53,6 +58,7 @@ public InvalidSpecificationException(string message, Exception innerException)
         protected InvalidSpecificationException(SerializationInfo info, StreamingContext context)
             : base(info, context)
         { }
+#endif
 
         internal InvalidSpecificationException(string message, GitErrorCategory category)
             : base(message, category)

LibGit2Sharp/LibGit2SharpException.cs

@@ -1,14 +1,17 @@
 using System;
 using System.Globalization;
+#if NETFRAMEWORK
 using System.Runtime.Serialization;
-using LibGit2Sharp.Core;
+#endif
 
 namespace LibGit2Sharp
 {
     /// <summary>
     /// The exception that is thrown when an error occurs during application execution.
     /// </summary>
+#if NETFRAMEWORK
     [Serializable]
+#endif
     public class LibGit2SharpException : Exception
     {
         /// <summary>
@@ -40,10 +43,11 @@ public LibGit2SharpException(string message, Exception innerException)
         /// <param name="format">A composite format string for use in <see cref="String.Format(IFormatProvider, string, object[])"/>.</param>
         /// <param name="args">An object array that contains zero or more objects to format.</param>
         public LibGit2SharpException(string format, params object[] args)
-            : base(String.Format(CultureInfo.InvariantCulture, format, args))
+            : base(string.Format(CultureInfo.InvariantCulture, format, args))
         {
         }
 
+#if NETFRAMEWORK
         /// <summary>
         /// Initializes a new instance of the <see cref="LibGit2SharpException"/> class with a serialized data.
         /// </summary>
@@ -52,5 +56,6 @@ public LibGit2SharpException(string format, params object[] args)
         protected LibGit2SharpException(SerializationInfo info, StreamingContext context)
             : base(info, context)
         { }
+#endif
     }
 }

LibGit2Sharp/LockedFileException.cs

@@ -1,13 +1,17 @@
 using System;
+#if NETFRAMEWORK
 using System.Runtime.Serialization;
+#endif
 using LibGit2Sharp.Core;
 
 namespace LibGit2Sharp
 {
     /// <summary>
     /// The exception that is thrown attempting to open a locked file.
     /// </summary>
+#if NETFRAMEWORK
     [Serializable]
+#endif
     public class LockedFileException : NativeException
     {
         /// <summary>
@@ -42,6 +46,7 @@ public LockedFileException(string message, Exception innerException)
             : base(message, innerException)
         { }
 
+#if NETFRAMEWORK
         /// <summary>
         /// Initializes a new instance of the <see cref="LibGit2Sharp.LockedFileException"/> class with a serialized data.
         /// </summary>
@@ -50,6 +55,7 @@ public LockedFileException(string message, Exception innerException)
         protected LockedFileException(SerializationInfo info, StreamingContext context)
             : base(info, context)
         { }
+#endif
 
         internal LockedFileException(string message, GitErrorCategory category)
             : base(message, category)