[feat]: Support make_latest in create and update release

Octokit.Tests.Integration/Clients/ReleasesClientTests.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.IO.Compression;
@@ -55,6 +55,21 @@ public async Task SendsCreateToCorrectUrlWithRepositoryId()
             Assert.NotNull(release);
         }
 
+        [IntegrationTest]
+        public async Task CreateReleaseAsLatest()
+        {
+            var firstReleaseRequest = new NewRelease("0.1") { MakeLatest = MakeLatestQualifier.False };
+            await _releaseClient.Create(_context.Repository.Id, firstReleaseRequest);
+
+            Assert.ThrowsAsync<NotFoundException>(async () => await _releaseClient.GetLatest(_context.RepositoryOwner, _context.RepositoryName));
+
+            var secondReleaseRequest = new NewRelease("0.2") { MakeLatest = MakeLatestQualifier.True };
+            var secondRelease = await _releaseClient.Create(_context.Repository.Id, secondReleaseRequest);
+
+            var latestRelease = await _releaseClient.GetLatest(_context.RepositoryOwner, _context.RepositoryName);
+            Assert.Equal(secondRelease.Id, latestRelease.Id);
+        }
+
         public void Dispose()
         {
             _context.Dispose();
@@ -444,6 +459,28 @@ public async Task CanChangeCommitIshOfReleaseWithRepositoryId()
             Assert.Equal(newHead.Object.Sha, updatedRelease.TargetCommitish);
         }
 
+        [IntegrationTest]
+        public async Task CanMakeReleaseLatest()
+        {
+            var firstReleaseRequest = new NewRelease("0.1");
+            var firstRelease = await _releaseClient.Create(_context.RepositoryOwner, _context.RepositoryName, firstReleaseRequest);
+
+            var secondReleaseRequest = new NewRelease("0.2") { Draft = true };
+            var secondRelease = await _releaseClient.Create(_context.RepositoryOwner, _context.RepositoryName, secondReleaseRequest);
+
+            var latestRelease = await _releaseClient.GetLatest(_context.RepositoryOwner, _context.RepositoryName);
+            Assert.Equal(firstRelease.Id, latestRelease.Id);
+
+            var editRelease = secondRelease.ToUpdate();
+            editRelease.Draft = false;
+            editRelease.MakeLatest = MakeLatestQualifier.True;
+
+            await _releaseClient.Edit(_context.RepositoryOwner, _context.RepositoryName, secondRelease.Id, editRelease);
+
+            latestRelease = await _releaseClient.GetLatest(_context.RepositoryOwner, _context.RepositoryName);
+            Assert.Equal(secondRelease.Id, latestRelease.Id);
+        }
+
         public void Dispose()
         {
             _context.Dispose();

Octokit/Models/Request/MakeLatestQualifier.cs

@@ -0,0 +1,14 @@
+using Octokit.Internal;
+
+namespace Octokit
+{
+    public enum MakeLatestQualifier
+    {
+        [Parameter(Value = "true")]
+        True = 1,
+        [Parameter(Value = "false")]
+        False = 2,
+        [Parameter(Value = "legacy")]
+        Legacy = 3,
+    }
+}

Octokit/Models/Request/NewRelease.cs

@@ -84,6 +84,16 @@ public NewRelease(string tagName)
         /// </value>
         public bool GenerateReleaseNotes { get; set; }
 
+        /// <summary>
+        /// Specifies whether this release should be set as the latest release for the repository.
+        /// Drafts and prereleases cannot be set as latest. Defaults to true for newly published releases.
+        /// </summary>
+        /// <value>
+        ///   <c>True</c> set release as latest;
+        ///   <c>Legacy</c> specifies that the latest release should be determined based on the release creation date and higher semantic version.
+        /// </value>
+        public MakeLatestQualifier? MakeLatest { get; set; }
+
         internal string DebuggerDisplay
         {
             get

Octokit/Models/Request/ReleaseUpdate.cs

@@ -63,6 +63,15 @@ public class ReleaseUpdate
         /// </value>
         public bool? Prerelease { get; set; }
 
+        /// <summary>
+        /// Specifies whether this release should be set as the latest release for the repository.
+        /// Drafts and prereleases cannot be set as latest. Defaults to true for newly published releases.
+        /// </summary>
+        /// <value>
+        ///   <c>True</c> set release as latest;
+        ///   <c>Legacy</c> specifies that the latest release should be determined based on the release creation date and higher semantic version.
+        /// </value>
+        public MakeLatestQualifier? MakeLatest { get; set; }
         internal string DebuggerDisplay
         {
             get