Introduce blame options for rename tracking

Therzok · Therzok · commit 9af8d53f37c4 · 2015-06-10T17:40:11.000+03:00
diff --git a/LibGit2Sharp/BlameOptions.cs b/LibGit2Sharp/BlameOptions.cs
@@ -6,7 +6,7 @@
     public enum BlameStrategy
     {
         /// <summary>
-        /// Track renames of the file, but no block movement.
+        /// Track renames of the file using diff rename detection, but no block movement.
         /// </summary>
         Default,
 
@@ -21,6 +21,16 @@ public enum BlameStrategy
 
         // Track copies across all files in all commits. (NOT SUPPORTED IN LIBGIT2 YET)
         //TrackCopiesAnyCommitCopies
+
+        /// <summary>
+        /// Track renames of the file using only exact renames.
+        /// </summary>
+        FollowExactRenames = (1 << 5),
+
+        /// <summary>
+        /// Don't track renames of the file.
+        /// </summary>
+        DontFollowRenames = (1 << 6),
     }
 
     /// <summary>
diff --git a/LibGit2Sharp/Core/GitBlame.cs b/LibGit2Sharp/Core/GitBlame.cs
@@ -38,6 +38,16 @@ internal enum GitBlameOptionFlags
         /// following only the first parents.
         /// </summary>
         GIT_BLAME_FIRST_PARENT = (1<<4),
+
+        /// <summary>
+        /// Take less time to generate blame by only following exact matches.
+        /// </summary>
+        GIT_BLAME_FOLLOW_EXACT_RENAMES = (1<<5),
+
+        /// <summary>
+        /// Take less time to generate blame by not checking for renames
+        /// </summary>
+        GIT_BLAME_DONT_FOLLOW_RENAMES = (1<<6),
     }
 
     [StructLayout(LayoutKind.Sequential)]
@@ -78,6 +88,12 @@ public static GitBlameOptionFlags ToGitBlameOptionFlags(this BlameStrategy strat
                 case BlameStrategy.Default:
                     return GitBlameOptionFlags.GIT_BLAME_NORMAL;
 
+                case BlameStrategy.FollowExactRenames:
+                    return GitBlameOptionFlags.GIT_BLAME_FOLLOW_EXACT_RENAMES;
+
+                case BlameStrategy.DontFollowRenames:
+                    return GitBlameOptionFlags.GIT_BLAME_DONT_FOLLOW_RENAMES;
+
                 default:
                     throw new NotSupportedException(
                         string.Format(CultureInfo.InvariantCulture, "{0} is not supported at this time", strategy));
