private TreeChanges BuildTreeChangesFromComparer(
ObjectId oldTreeId, ObjectId newTreeId, TreeComparisonHandleRetriever comparisonHandleRetriever,
DiffModifiers diffOptions, IEnumerable<string> paths = null, ExplicitPathsOptions explicitPathsOptions = null, CompareOptions compareOptions = null)
{
var matchedPaths = new MatchedPathsAggregator();
var filePaths = repo.ToFilePaths(paths);
using (GitDiffOptions options = BuildOptions(diffOptions, filePaths, matchedPaths, compareOptions))
using (DiffListSafeHandle diffList = comparisonHandleRetriever(oldTreeId, newTreeId, options))
{
if (explicitPathsOptions != null)
{
DispatchUnmatchedPaths(explicitPathsOptions, filePaths, matchedPaths);
}
return new TreeChanges(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_INCLUDE_UNTRACKED_CONTENT;
}
if (diffOptions.HasFlag(DiffModifiers.IncludeIgnored))
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_INCLUDE_IGNORED;
}
if (diffOptions.HasFlag(DiffModifiers.IncludeUnmodified))
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_INCLUDE_UNMODIFIED;
}
if (diffOptions.HasFlag(DiffModifiers.DisablePathspecMatch))
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_DISABLE_PATHSPEC_MATCH;
}
if (matchedPathsAggregator != null)
{
options.NotifyCallback = matchedPathsAggregator.OnGitDiffNotify;
}
if (filePaths == null)
{
return options;
}
options.PathSpec = GitStrArrayIn.BuildFrom(filePaths);
return options;
}
