private void negotiateBegin() throws IOException {
walk.resetRetain(REACHABLE, ADVERTISED);
walk.markStart(reachableCommits);
walk.sort(RevSort.COMMIT_TIME_DESC);
walk.setRevFilter(
new RevFilter() {
@Override
public RevFilter clone() {
return this;
}
@Override
public boolean include(final RevWalk walker, final RevCommit c) {
final boolean remoteKnowsIsCommon = c.has(COMMON);
if (c.has(ADVERTISED)) {
// Remote advertised this, and we have it, hence common.
// Whether or not the remote knows that fact is tested
// before we added the flag. If the remote doesn't know
// we have to still send them this object.
//
c.add(COMMON);
}
return !remoteKnowsIsCommon;
}
});
}
public void markCleanMerges(
final RevWalk rw,
final RevFlag canMergeFlag,
final CodeReviewCommit mergeTip,
final Set<RevCommit> alreadyAccepted)
throws IntegrationException {
if (mergeTip == null) {
// If mergeTip is null here, branchTip was null, indicating a new branch
// at the start of the merge process. We also elected to merge nothing,
// probably due to missing dependencies. Nothing was cleanly merged.
//
return;
}
try {
rw.resetRetain(canMergeFlag);
rw.sort(RevSort.TOPO);
rw.sort(RevSort.REVERSE, true);
rw.markStart(mergeTip);
for (RevCommit c : alreadyAccepted) {
rw.markUninteresting(c);
}
CodeReviewCommit c;
while ((c = (CodeReviewCommit) rw.next()) != null) {
if (c.getPatchsetId() != null) {
c.setStatusCode(CommitMergeStatus.CLEAN_MERGE);
}
}
} catch (IOException e) {
throw new IntegrationException("Cannot mark clean merges", e);
}
}