private DiffHandle BuildDiffList(
ObjectId oldTreeId,
ObjectId newTreeId,
TreeComparisonHandleRetriever comparisonHandleRetriever,
DiffModifiers diffOptions,
IEnumerable <string> paths,
ExplicitPathsOptions explicitPathsOptions,
CompareOptions compareOptions)
{
var filePaths = repo.ToFilePaths(paths);
MatchedPathsAggregator matchedPaths = null;
// We can't match paths unless we've got something to match
// against and we're told to do so.
if (filePaths != null && explicitPathsOptions != null)
{
if (explicitPathsOptions.OnUnmatchedPath != null || explicitPathsOptions.ShouldFailOnUnmatchedPath)
{
matchedPaths = new MatchedPathsAggregator();
}
}
using (GitDiffOptions options = BuildOptions(diffOptions, filePaths, matchedPaths, compareOptions))
{
var diffList = comparisonHandleRetriever(oldTreeId, newTreeId, options);
if (matchedPaths != null)
{
try
{
DispatchUnmatchedPaths(explicitPathsOptions, filePaths, matchedPaths);
}
catch
{
diffList.Dispose();
throw;
}
}
DetectRenames(diffList, compareOptions);
return(diffList);
}
}
private static GitDiffOptions BuildOptions(DiffModifiers diffOptions, FilePath[] filePaths = null, MatchedPathsAggregator matchedPathsAggregator = null, CompareOptions compareOptions = null)
{
var options = new GitDiffOptions();
options.Flags |= GitDiffOptionFlags.GIT_DIFF_INCLUDE_TYPECHANGE;
compareOptions = compareOptions ?? new CompareOptions();
options.ContextLines = (ushort)compareOptions.ContextLines;
options.InterhunkLines = (ushort)compareOptions.InterhunkLines;
if (diffOptions.HasFlag(DiffModifiers.IncludeUntracked))
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_INCLUDE_UNTRACKED |
GitDiffOptionFlags.GIT_DIFF_RECURSE_UNTRACKED_DIRS |
GitDiffOptionFlags.GIT_DIFF_SHOW_UNTRACKED_CONTENT;
}
if (diffOptions.HasFlag(DiffModifiers.IncludeIgnored))
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_INCLUDE_IGNORED |
GitDiffOptionFlags.GIT_DIFF_RECURSE_IGNORED_DIRS;
}
if (diffOptions.HasFlag(DiffModifiers.IncludeUnmodified) || compareOptions.IncludeUnmodified ||
(compareOptions.Similarity != null &&
(compareOptions.Similarity.RenameDetectionMode == RenameDetectionMode.CopiesHarder ||
compareOptions.Similarity.RenameDetectionMode == RenameDetectionMode.Exact)))
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_INCLUDE_UNMODIFIED;
}
if (compareOptions.Algorithm == DiffAlgorithm.Patience)
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_PATIENCE;
}
else if (compareOptions.Algorithm == DiffAlgorithm.Minimal)
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_MINIMAL;
}
if (diffOptions.HasFlag(DiffModifiers.DisablePathspecMatch))
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_DISABLE_PATHSPEC_MATCH;
}
if (compareOptions.IndentHeuristic)
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_INDENT_HEURISTIC;
}
if (matchedPathsAggregator != null)
{
options.NotifyCallback = matchedPathsAggregator.OnGitDiffNotify;
}
if (filePaths != null)
{
options.PathSpec = GitStrArrayManaged.BuildFrom(filePaths);
}
return(options);
}
