@@ -249,6 +249,7 @@ internal class GitDiffLine
249249 public int NewLineNo ;
250250 public int NumLines ;
251251 public UIntPtr contentLen ;
252+ public Int64 contentOffset ;
252253 public IntPtr content ;
253254 }
254255
@@ -274,4 +275,61 @@ enum GitDiffFormat
274275 GIT_DIFF_FORMAT_NAME_ONLY = 4 , // < like git diff --name-only
275276 GIT_DIFF_FORMAT_NAME_STATUS = 5 , // < like git diff --name-status
276277 }
278+
279+ [ Flags ]
280+ enum GitDiffFindFlags
281+ {
282+ GIT_DIFF_FIND_RENAMES = ( 1 << 0 ) ,
283+ // consider old side of modified for renames? (`--break-rewrites=N`)
284+ GIT_DIFF_FIND_RENAMES_FROM_REWRITES = ( 1 << 1 ) ,
285+
286+ // look for copies? (a la `--find-copies`)
287+ GIT_DIFF_FIND_COPIES = ( 1 << 2 ) ,
288+ // consider unmodified as copy sources? (`--find-copies-harder`)
289+ GIT_DIFF_FIND_COPIES_FROM_UNMODIFIED = ( 1 << 3 ) ,
290+
291+ // mark large rewrites for split (`--break-rewrites=/M`)
292+ GIT_DIFF_FIND_REWRITES = ( 1 << 4 ) ,
293+ // actually split large rewrites into delete/add pairs
294+ GIT_DIFF_BREAK_REWRITES = ( 1 << 5 ) ,
295+ // mark rewrites for split and break into delete/add pairs
296+ GIT_DIFF_FIND_AND_BREAK_REWRITES =
297+ ( GIT_DIFF_FIND_REWRITES | GIT_DIFF_BREAK_REWRITES ) ,
298+
299+ // find renames/copies for untracked items in working directory
300+ GIT_DIFF_FIND_FOR_UNTRACKED = ( 1 << 6 ) ,
301+
302+ // turn on all finding features
303+ GIT_DIFF_FIND_ALL = ( 0x0ff ) ,
304+
305+ // measure similarity ignoring leading whitespace (default)
306+ GIT_DIFF_FIND_IGNORE_LEADING_WHITESPACE = 0 ,
307+ // measure similarity ignoring all whitespace
308+ GIT_DIFF_FIND_IGNORE_WHITESPACE = ( 1 << 12 ) ,
309+ // measure similarity including all data
310+ GIT_DIFF_FIND_DONT_IGNORE_WHITESPACE = ( 1 << 13 ) ,
311+ // measure similarity only by comparing SHAs (fast and cheap)
312+ GIT_DIFF_FIND_EXACT_MATCH_ONLY = ( 1 << 14 ) ,
313+
314+ // do not break rewrites unless they contribute to a rename
315+ GIT_DIFF_BREAK_REWRITES_FOR_RENAMES_ONLY = ( 1 << 15 ) ,
316+
317+ // Remove any UNMODIFIED deltas after find_similar is done.
318+ GIT_DIFF_FIND_REMOVE_UNMODIFIED = ( 1 << 16 ) ,
319+ }
320+
321+ [ StructLayout ( LayoutKind . Sequential ) ]
322+ internal class GitDiffFindOptions
323+ {
324+ public uint Version = 1 ;
325+ public GitDiffFindFlags Flags ;
326+ public UInt16 RenameThreshold ;
327+ public UInt16 RenameFromRewriteThreshold ;
328+ public UInt16 CopyThreshold ;
329+ public UInt16 BreakRewriteThreshold ;
330+ public UIntPtr RenameLimit ;
331+
332+ // TODO
333+ public IntPtr SimilarityMetric ;
334+ }
277335}
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