Upgrade to libgit2 ff8d635

LibGit2Sharp.Tests/FetchFixture.cs

@@ -134,6 +134,18 @@ public void CanFetchCustomRefSpecsIntoAnEmptyRepository(string url, string local
                 var expectedFetchState = new ExpectedFetchState(remoteName);
                 expectedFetchState.AddExpectedBranch(localBranchName, ObjectId.Zero, remoteInfo.BranchTips[remoteBranchName]);
 
+                // Let's account for opportunistic updates during the Fetch() call
+                if (!string.Equals("master", localBranchName, StringComparison.OrdinalIgnoreCase))
+                {
+                    expectedFetchState.AddExpectedBranch("master", ObjectId.Zero, remoteInfo.BranchTips["master"]);
+                }
+
+                if (string.Equals("master", localBranchName, StringComparison.OrdinalIgnoreCase)
+                    && !string.Equals("master", remoteBranchName, StringComparison.OrdinalIgnoreCase))
+                {
+                    expectedFetchState.AddExpectedBranch(remoteBranchName, ObjectId.Zero, remoteInfo.BranchTips[remoteBranchName]);
+                }
+
                 // Perform the actual fetch
                 repo.Network.Fetch(remote, new string[] { refSpec }, new FetchOptions {
                     TagFetchMode = TagFetchMode.None,

LibGit2Sharp.Tests/RefSpecFixture.cs

@@ -183,7 +183,7 @@ public void SettingInvalidRefSpecsThrows(string refSpec)
                 var remote = repo.Network.Remotes["origin"];
                 var oldRefSpecs = remote.RefSpecs.Select(r => r.Specification).ToList();
 
-                Assert.Throws<LibGit2SharpException>(() =>
+                Assert.Throws<InvalidSpecificationException>(() =>
                     repo.Network.Remotes.Update(remote, r => r.FetchRefSpecs.Add(refSpec)));
 
                 var newRemote = repo.Network.Remotes["origin"];

LibGit2Sharp/Configuration.cs

@@ -151,6 +151,16 @@ public virtual void Unset(string key, ConfigurationLevel level)
             }
         }
 
+        internal void UnsetMultivar(string key, ConfigurationLevel level)
+        {
+            Ensure.ArgumentNotNullOrEmptyString(key, "key");
+
+            using (ConfigurationSafeHandle h = RetrieveConfigurationHandle(level, true, configHandle))
+            {
+                Proxy.git_config_delete_multivar(h, key);
+            }
+        }
+
         /// <summary>
         /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
         /// </summary>

LibGit2Sharp/Core/FetchPruneStrategy.cs

@@ -0,0 +1,25 @@
+namespace LibGit2Sharp.Core
+{
+    /// <summary>
+    /// Specify how the remote tracking branches should be locally dealt with
+    /// when their upstream countepart doesn't exist anymore.
+    /// </summary>
+    internal enum FetchPruneStrategy
+    {
+        /// <summary>
+        /// Use the setting from the configuration
+        /// or, when there isn't any, fallback to default behavior.
+        /// </summary>
+        FromConfigurationOrDefault = 0,
+
+        /// <summary>
+        /// Force pruning on
+        /// </summary>
+        Prune,
+
+        /// <summary>
+        /// Force pruning off
+        /// </summary>
+        NoPrune,
+    }
+}

LibGit2Sharp/Core/GitCheckoutOpts.cs

@@ -158,6 +158,7 @@ internal struct GitCheckoutOpts
         public GitStrArray paths;
 
         public IntPtr baseline;
+        public IntPtr baseline_index;
         public IntPtr target_directory;
 
         public IntPtr ancestor_label;

LibGit2Sharp/Core/GitCloneOptions.cs

@@ -17,7 +17,7 @@ internal struct GitCloneOptions
         public uint Version;
 
         public GitCheckoutOpts CheckoutOpts;
-        public GitRemoteCallbacks RemoteCallbacks;
+        public GitFetchOptions FetchOpts;
 
         public int Bare;
         public GitCloneLocal Local;

LibGit2Sharp/Core/GitDiff.cs

@@ -80,6 +80,13 @@ internal enum GitDiffOptionFlags
         /// </summary>
         GIT_DIFF_IGNORE_CASE = (1 << 10),
 
+
+        /// <summary>
+        /// May be combined with `GIT_DIFF_IGNORE_CASE` to specify that a file
+        /// that has changed case will be returned as an add/delete pair.
+        /// </summary>
+        GIT_DIFF_INCLUDE_CASECHANGE = (1 << 11),
+
         /// <summary>
         /// If the pathspec is set in the diff options, this flags means to
         /// apply it as an exact match instead of as an fnmatch pattern.

LibGit2Sharp/Core/GitFetchOptions.cs

@@ -0,0 +1,14 @@
+using System.Runtime.InteropServices;
+
+namespace LibGit2Sharp.Core
+{
+    [StructLayout(LayoutKind.Sequential)]
+    internal class GitFetchOptions
+    {
+        public int Version = 1;
+        public GitRemoteCallbacks RemoteCallbacks;
+        public FetchPruneStrategy Prune;
+        public bool UpdateFetchHead = true;
+        public TagFetchMode download_tags;
+    }
+}

LibGit2Sharp/Core/GitIndexEntry.cs

@@ -15,7 +15,7 @@ internal class GitIndexEntry
         public uint Mode;
         public uint Uid;
         public uint Gid;
-        public Int64 file_size;
+        public uint file_size;
         public GitOid Id;
         public ushort Flags;
         public ushort ExtendedFlags;

LibGit2Sharp/Core/GitIndexTime.cs

@@ -5,7 +5,7 @@ namespace LibGit2Sharp.Core
     [StructLayout(LayoutKind.Sequential)]
     internal class GitIndexTime
     {
-        public long seconds;
+        public int seconds;
         public uint nanoseconds;
     }
 }

LibGit2Sharp/Core/GitMergeOpts.cs

@@ -31,6 +31,11 @@ internal struct GitMergeOpts
         /// Flags for automerging content.
         /// </summary>
         public MergeFileFavor MergeFileFavorFlags;
+
+        /// <summary>
+        /// File merging flags.
+        /// </summary>
+        public GitMergeFileFlags FileFlags;
     }
 
     /// <summary>
@@ -63,11 +68,11 @@ internal enum GitMergeAnalysis
         /// </summary>
         GIT_MERGE_ANALYSIS_FASTFORWARD = (1 << 2),
 
-        /**
-         * The HEAD of the current repository is "unborn" and does not point to
-         * a valid commit.  No merge can be performed, but the caller may wish
-         * to simply set HEAD to the target commit(s).
-         */
+        /// <summary>
+        /// The HEAD of the current repository is "unborn" and does not point to
+        /// a valid commit.  No merge can be performed, but the caller may wish
+        /// to simply set HEAD to the target commit(s).
+        /// </summary>
         GIT_MERGE_ANALYSIS_UNBORN = (1 << 3),
     }
 
@@ -105,4 +110,53 @@ internal enum GitMergeTreeFlags
         /// </summary>
         GIT_MERGE_TREE_FIND_RENAMES = (1 << 0),
     }
+
+    [Flags]
+    internal enum GitMergeFileFlags
+    {
+        /// <summary>
+        /// Defaults
+        /// </summary>
+        GIT_MERGE_FILE_DEFAULT = 0,
+
+        /// <summary>
+        /// Create standard conflicted merge files
+        /// </summary>
+        GIT_MERGE_FILE_STYLE_MERGE = (1 << 0),
+
+        /// <summary>
+        /// Create diff3-style files
+        /// </summary>
+        GIT_MERGE_FILE_STYLE_DIFF3 = (1 << 1),
+
+        /// <summary>
+        /// Condense non-alphanumeric regions for simplified diff file
+        /// </summary>
+        GIT_MERGE_FILE_SIMPLIFY_ALNUM = (1 << 2),
+
+        /// <summary>
+        /// Ignore all whitespace
+        /// </summary>
+        GIT_MERGE_FILE_IGNORE_WHITESPACE = (1 << 3),
+
+        /// <summary>
+        /// Ignore changes in amount of whitespace
+        /// </summary>
+        GIT_MERGE_FILE_IGNORE_WHITESPACE_CHANGE = (1 << 4),
+
+        /// <summary>
+        /// Ignore whitespace at end of line
+        /// </summary>
+        GIT_MERGE_FILE_IGNORE_WHITESPACE_EOL = (1 << 5),
+
+        /// <summary>
+        /// Use the "patience diff" algorithm
+        /// </summary>
+        GIT_MERGE_FILE_DIFF_PATIENCE = (1 << 6),
+
+        /// <summary>
+        /// Take extra time to find minimal diff
+        /// </summary>
+        GIT_MERGE_FILE_DIFF_MINIMAL = (1 << 7),
+    }
 }

LibGit2Sharp/Core/GitOdbBackend.cs

@@ -130,7 +130,7 @@ public delegate int write_callback(
         public delegate int writestream_callback(
             out IntPtr stream_out,
             IntPtr backend,
-            UIntPtr length,
+            Int64 length,
             GitObjectType type);
 
         /// <summary>

LibGit2Sharp/Core/GitOdbBackendStream.cs

@@ -22,8 +22,8 @@ static GitOdbBackendStream()
         public GitOdbBackendStreamMode Mode;
         public IntPtr HashCtx;
 
-        public UIntPtr DeclaredSize;
-        public UIntPtr ReceivedBytes;
+        public Int64 DeclaredSize;
+        public Int64 ReceivedBytes;
 
         public read_callback Read;
         public write_callback Write;

LibGit2Sharp/Core/GitPushOptions.cs

@@ -7,5 +7,6 @@ internal class GitPushOptions
     {
         public int Version = 1;
         public int PackbuilderDegreeOfParallelism;
+        public GitRemoteCallbacks RemoteCallbacks;
     }
 }

LibGit2Sharp/Core/GitPushUpdate.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace LibGit2Sharp.Core
+{
+    [StructLayout(LayoutKind.Sequential)]
+    internal class GitPushUpdate
+    {
+        IntPtr src_refname;
+        IntPtr dst_refname;
+        GitOid src;
+        GitOid dst;
+    }
+}

LibGit2Sharp/Core/GitRemoteCallbacks.cs

@@ -29,6 +29,10 @@ internal struct GitRemoteCallbacks
 
         internal NativeMethods.push_update_reference_callback push_update_reference;
 
+        internal NativeMethods.push_negotiation_callback push_negotiation;
+
+        internal IntPtr transport;
+
         internal IntPtr payload;
     }
 }

LibGit2Sharp/Core/GitSmartSubtransportRegistration.cs

@@ -8,9 +8,11 @@ internal class GitSmartSubtransportRegistration
     {
         public IntPtr SubtransportCallback;
         public uint Rpc;
+        public uint Param;
 
         public delegate int create_callback(
             out IntPtr subtransport,
-            IntPtr transport);
+            IntPtr owner,
+            IntPtr param);
     }
 }

LibGit2Sharp/Core/GitSubmoduleOptions.cs

@@ -9,7 +9,7 @@ internal struct GitSubmoduleOptions
 
         public GitCheckoutOpts CheckoutOptions;
 
-        public GitRemoteCallbacks RemoteCallbacks;
+        public GitFetchOptions FetchOptions;
 
         public CheckoutStrategy CloneCheckoutStrategy;
     }