GitUI.RevisionGrid.GetSelectedRevisions C# (CSharp) Метод

        public List<GitRevision> GetSelectedRevisions()
        {
            return GetSelectedRevisions(null);
        }

        public static string GetSelectedPatch(this FileViewer diffViewer, RevisionGrid grid, GitItemStatus file)
        {
            IList<GitRevision> revisions = grid.GetSelectedRevisions();

            if (revisions.Count == 0)
                return null;

            if (revisions[0].Guid == GitRevision.UncommittedWorkingDirGuid) //working dir changes
            {
                if (file.IsTracked)
                    return Settings.Module.GetCurrentChanges(file.Name, file.OldName, false, diffViewer.GetExtraDiffArguments(), diffViewer.Encoding);
                return FileReader.ReadFileContent(Settings.WorkingDir + file.Name, diffViewer.Encoding);
            }
            if (revisions[0].Guid == GitRevision.IndexGuid) //index
            {
                return Settings.Module.GetCurrentChanges(file.Name, file.OldName, true, diffViewer.GetExtraDiffArguments(), diffViewer.Encoding);
            }
            var secondRevision = revisions.Count == 2 ? revisions[1].Guid : revisions[0].Guid + "^";

            PatchApply.Patch patch = Settings.Module.GetSingleDiff(revisions[0].Guid, secondRevision, file.Name, file.OldName,
                                                    diffViewer.GetExtraDiffArguments(), diffViewer.Encoding);

            if (patch == null)
                return null;

            if (file.IsSubmodule)
                return GitCommandHelpers.ProcessSubmodulePatch(patch.Text);

            return patch.Text;
        }