How to use

carryOntoHistory

method

in

org.eclipse.jgit.revwalk.MergeBaseGenerator

carryOntoHistory(c, carry);

  private boolean carryOntoOne(final RevCommit p, final int carry) {
    final boolean haveAll = (p.flags & carry) == carry;
    p.flags |= carry;

    if ((p.flags & recarryMask) == recarryTest) {
      // We were popped without being a merge base, but we just got
      // voted to be one. Inject ourselves back at the front of the
      // pending queue and tell all of our ancestors they are within
      // the merge base now.
      //
      p.flags &= ~POPPED;
      pending.add(p);
      carryOntoHistory(p, branchMask | MERGE_BASE);
      return true;
    }

    // If we already had all carried flags, our parents do too.
    // Return true to stop the caller from running down this leg
    // of the revision graph any further.
    //
    return haveAll;
  }
}

private void carryOntoHistory(RevCommit c, final int carry) {
  for (;;) {
    final RevCommit[] pList = c.parents;
    if (pList == null)
      return;
    final int n = pList.length;
    if (n == 0)
      return;
    for (int i = 1; i < n; i++) {
      final RevCommit p = pList[i];
      if (!carryOntoOne(p, carry))
        carryOntoHistory(p, carry);
    }
    c = pList[0];
    if (carryOntoOne(c, carry))
      break;
  }
}

carryOntoHistory(c, carry);

carryOntoHistory(c, carry);

carryOntoHistory(c, carry);