@Override
public void actionPerformed(@NotNull AnActionEvent event) {
final Project project = event.getData(PlatformDataKeys.PROJECT);
SvnVcs svn = SvnVcs.getInstance(project);
final Revision revision = event.getData(SVNRevisionGraph.SELECTED_REVISION);
FilePath filePath = event.getData(SVNRevisionGraph.SRC_FILE);
if (filePath == null || revision == null) {
return;
}
final FileHistoryRetriever historyRetriever = new FileHistoryRetriever(svn, filePath.getVirtualFile());