private static String toString(@Nullable VcsFileRevision value) {
if (!(value instanceof SvnFileRevision)) return "";
final SvnFileRevision revision = (SvnFileRevision) value;
final List<SvnFileRevision> mergeSources = revision.getMergeSources();
if (mergeSources.isEmpty()) {
return "";
}
final StringBuilder sb = new StringBuilder();
for (SvnFileRevision source : mergeSources) {
if (sb.length() != 0) {
sb.append(", ");
}
sb.append(source.getRevisionNumber().asString());
if (!source.getMergeSources().isEmpty()) {
sb.append("*");
}
}
return sb.toString();
}
