tikhomirov@645: /*
tikhomirov@645:  * Copyright (c) 2013 TMate Software Ltd
tikhomirov@645:  *  
tikhomirov@645:  * This program is free software; you can redistribute it and/or modify
tikhomirov@645:  * it under the terms of the GNU General Public License as published by
tikhomirov@645:  * the Free Software Foundation; version 2 of the License.
tikhomirov@645:  *
tikhomirov@645:  * This program is distributed in the hope that it will be useful,
tikhomirov@645:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
tikhomirov@645:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
tikhomirov@645:  * GNU General Public License for more details.
tikhomirov@645:  *
tikhomirov@645:  * For information on how to redistribute this software under
tikhomirov@645:  * the terms of a license other than GNU General Public License
tikhomirov@645:  * contact TMate Software at support@hg4j.com
tikhomirov@645:  */
tikhomirov@645: package org.tmatesoft.hg.core;
tikhomirov@645: 
tikhomirov@645: import java.io.File;
tikhomirov@645: import java.io.IOException;
tikhomirov@645: import java.net.URL;
tikhomirov@649: import java.util.ArrayList;
tikhomirov@645: import java.util.List;
tikhomirov@645: 
tikhomirov@645: import org.tmatesoft.hg.internal.BundleGenerator;
tikhomirov@649: import org.tmatesoft.hg.internal.Internals;
tikhomirov@649: import org.tmatesoft.hg.internal.PhasesHelper;
tikhomirov@645: import org.tmatesoft.hg.internal.RepositoryComparator;
tikhomirov@649: import org.tmatesoft.hg.internal.RevisionSet;
tikhomirov@646: import org.tmatesoft.hg.repo.HgBookmarks;
tikhomirov@645: import org.tmatesoft.hg.repo.HgBundle;
tikhomirov@645: import org.tmatesoft.hg.repo.HgChangelog;
tikhomirov@645: import org.tmatesoft.hg.repo.HgInternals;
tikhomirov@645: import org.tmatesoft.hg.repo.HgInvalidStateException;
tikhomirov@645: import org.tmatesoft.hg.repo.HgLookup;
tikhomirov@645: import org.tmatesoft.hg.repo.HgParentChildMap;
tikhomirov@649: import org.tmatesoft.hg.repo.HgPhase;
tikhomirov@645: import org.tmatesoft.hg.repo.HgRemoteRepository;
tikhomirov@645: import org.tmatesoft.hg.repo.HgRepository;
tikhomirov@645: import org.tmatesoft.hg.repo.HgRuntimeException;
tikhomirov@645: import org.tmatesoft.hg.util.CancelledException;
tikhomirov@646: import org.tmatesoft.hg.util.Pair;
tikhomirov@645: import org.tmatesoft.hg.util.ProgressSupport;
tikhomirov@649: import org.tmatesoft.hg.util.LogFacility.Severity;
tikhomirov@645: 
tikhomirov@645: /**
tikhomirov@645:  * 
tikhomirov@645:  * @author Artem Tikhomirov
tikhomirov@645:  * @author TMate Software Ltd.
tikhomirov@645:  */
tikhomirov@645: public class HgPushCommand extends HgAbstractCommand<HgPushCommand> {
tikhomirov@645: 	
tikhomirov@645: 	private final HgRepository repo;
tikhomirov@645: 	private HgRemoteRepository remoteRepo;
tikhomirov@645: 
tikhomirov@645: 	public HgPushCommand(HgRepository hgRepo) {
tikhomirov@645: 		repo = hgRepo;
tikhomirov@645: 	}
tikhomirov@645: 	
tikhomirov@645: 	public HgPushCommand destination(HgRemoteRepository hgRemote) {
tikhomirov@645: 		remoteRepo = hgRemote;
tikhomirov@645: 		return this;
tikhomirov@645: 	}
tikhomirov@645: 
tikhomirov@645: 	public void execute() throws HgRemoteConnectionException, HgIOException, CancelledException, HgLibraryFailureException {
tikhomirov@645: 		final ProgressSupport progress = getProgressSupport(null);
tikhomirov@645: 		try {
tikhomirov@645: 			progress.start(100);
tikhomirov@645: 			//
tikhomirov@645: 			// find out missing
tikhomirov@645: 			// TODO refactor same code in HgOutgoingCommand #getComparator and #getParentHelper
tikhomirov@649: 			final HgChangelog clog = repo.getChangelog();
tikhomirov@649: 			final HgParentChildMap<HgChangelog> parentHelper = new HgParentChildMap<HgChangelog>(clog);
tikhomirov@645: 			parentHelper.init();
tikhomirov@645: 			final RepositoryComparator comparator = new RepositoryComparator(parentHelper, remoteRepo);
tikhomirov@645: 			comparator.compare(new ProgressSupport.Sub(progress, 50), getCancelSupport(null, true));
tikhomirov@645: 			List<Nodeid> l = comparator.getLocalOnlyRevisions();
tikhomirov@645: 			//
tikhomirov@645: 			// prepare bundle
tikhomirov@649: 			final Internals implRepo = HgInternals.getImplementationRepo(repo);
tikhomirov@649: 			BundleGenerator bg = new BundleGenerator(implRepo);
tikhomirov@645: 			File bundleFile = bg.create(l);
tikhomirov@645: 			progress.worked(20);
tikhomirov@645: 			HgBundle b = new HgLookup(repo.getSessionContext()).loadBundle(bundleFile);
tikhomirov@645: 			//
tikhomirov@645: 			// send changes
tikhomirov@645: 			remoteRepo.unbundle(b, comparator.getRemoteHeads());
tikhomirov@645: 			progress.worked(20);
tikhomirov@645: 			//
tikhomirov@649: 			// update phase information
tikhomirov@649: 			PhasesHelper phaseHelper = new PhasesHelper(implRepo, parentHelper);
tikhomirov@649: 			if (phaseHelper.isCapableOfPhases()) {
tikhomirov@649: 				RevisionSet outgoing = new RevisionSet(l);
tikhomirov@649: 				RevisionSet presentSecret = phaseHelper.allSecret();
tikhomirov@649: 				RevisionSet presentDraft = phaseHelper.allDraft();
tikhomirov@649: 				RevisionSet secretLeft, draftLeft;
tikhomirov@649: 				HgRemoteRepository.Phases remotePhases = remoteRepo.getPhases();
tikhomirov@649: 				if (remotePhases.isPublishingServer()) {
tikhomirov@649: 					// although it's unlikely outgoing would affect secret changesets,
tikhomirov@649: 					// it doesn't hurt to check secret roots along with draft ones
tikhomirov@649: 					secretLeft = presentSecret.subtract(outgoing);
tikhomirov@649: 					draftLeft = presentDraft.subtract(outgoing);
tikhomirov@649: 				} else {
tikhomirov@649: 					// shall merge local and remote phase states
tikhomirov@649: 					ArrayList<Nodeid> knownRemoteDraftRoots = new ArrayList<Nodeid>();
tikhomirov@649: 					for (Nodeid rdr : remotePhases.draftRoots()) {
tikhomirov@649: 						if (clog.isKnown(rdr)) {
tikhomirov@649: 							knownRemoteDraftRoots.add(rdr);
tikhomirov@649: 						}
tikhomirov@649: 					}
tikhomirov@649: 					// childrenOf(knownRemoteDraftRoots) is everything remote may treat as Draft
tikhomirov@649: 					RevisionSet remoteDrafts = new RevisionSet(parentHelper.childrenOf(knownRemoteDraftRoots));
tikhomirov@649: 					List<Nodeid> localChildrenNotSent = parentHelper.childrenOf(outgoing.heads(parentHelper).asList());
tikhomirov@649: 					// remote shall know only what we've sent, subtract revisions we didn't actually sent
tikhomirov@649: 					remoteDrafts = remoteDrafts.subtract(new RevisionSet(localChildrenNotSent));
tikhomirov@649: 					// if there's a remote draft root that points to revision we know is public
tikhomirov@649: 					RevisionSet remoteDraftsLocallyPublic = remoteDrafts.subtract(presentSecret).subtract(presentDraft);
tikhomirov@649: 					if (!remoteDraftsLocallyPublic.isEmpty()) {
tikhomirov@649: 						// foreach remoteDraftsLocallyPublic.heads() do push Draft->Public
tikhomirov@649: 						for (Nodeid n : remoteDraftsLocallyPublic.heads(parentHelper)) {
tikhomirov@649: 							try {
tikhomirov@649: 								remoteRepo.updatePhase(HgPhase.Draft, HgPhase.Public, n);
tikhomirov@649: 							} catch (HgRemoteConnectionException ex) {
tikhomirov@649: 								implRepo.getLog().dump(getClass(), Severity.Error, ex, String.format("Failed to update phase of %s", n.shortNotation()));
tikhomirov@649: 							}
tikhomirov@649: 						}
tikhomirov@649: 						remoteDrafts = remoteDrafts.subtract(remoteDraftsLocallyPublic);
tikhomirov@649: 					}
tikhomirov@649: 					// revisions that cease to be secret (gonna become Public), e.g. someone else pushed them
tikhomirov@649: 					RevisionSet secretGone = presentSecret.intersect(remoteDrafts);
tikhomirov@649: 					// trace parents of these published secret revisions
tikhomirov@649: 					RevisionSet secretMadePublic = presentSecret.parentsOf(secretGone, parentHelper);
tikhomirov@649: 					secretLeft = presentSecret.subtract(secretGone).subtract(secretMadePublic);
tikhomirov@649: 					// same for drafts
tikhomirov@649: 					RevisionSet draftGone = presentDraft.intersect(remoteDrafts);
tikhomirov@649: 					RevisionSet draftMadePublic = presentDraft.parentsOf(draftGone, parentHelper);
tikhomirov@649: 					draftLeft = presentDraft.subtract(draftGone).subtract(draftMadePublic);
tikhomirov@649: 				}
tikhomirov@649: 				final RevisionSet newDraftRoots = draftLeft.roots(parentHelper);
tikhomirov@649: 				final RevisionSet newSecretRoots = secretLeft.roots(parentHelper);
tikhomirov@649: 				phaseHelper.updateRoots(newDraftRoots.asList(), newSecretRoots.asList());
tikhomirov@649: 			}
tikhomirov@645: 			progress.worked(5);
tikhomirov@645: 			//
tikhomirov@646: 			// update bookmark information
tikhomirov@646: 			HgBookmarks localBookmarks = repo.getBookmarks();
tikhomirov@646: 			if (!localBookmarks.getAllBookmarks().isEmpty()) {
tikhomirov@649: 				for (Pair<String,Nodeid> bm : remoteRepo.getBookmarks()) {
tikhomirov@646: 					Nodeid localRevision = localBookmarks.getRevision(bm.first());
tikhomirov@646: 					if (localRevision == null || !parentHelper.knownNode(bm.second())) {
tikhomirov@646: 						continue;
tikhomirov@646: 					}
tikhomirov@646: 					// we know both localRevision and revision of remote bookmark,
tikhomirov@646: 					// need to make sure we don't push  older revision than it's at the server
tikhomirov@646: 					if (parentHelper.isChild(bm.second(), localRevision)) {
tikhomirov@646: 						remoteRepo.updateBookmark(bm.first(), bm.second(), localRevision);
tikhomirov@646: 					}
tikhomirov@646: 				}
tikhomirov@646: 			}
tikhomirov@646: 			// XXX WTF is obsolete in namespaces key??
tikhomirov@645: 			progress.worked(5);
tikhomirov@645: 		} catch (IOException ex) {
tikhomirov@645: 			throw new HgIOException(ex.getMessage(), null); // XXX not a nice idea to throw IOException from BundleGenerator#create
tikhomirov@645: 		} catch (HgRepositoryNotFoundException ex) {
tikhomirov@645: 			final HgInvalidStateException e = new HgInvalidStateException("Failed to load a just-created bundle");
tikhomirov@645: 			e.initCause(ex);
tikhomirov@645: 			throw new HgLibraryFailureException(e);
tikhomirov@645: 		} catch (HgRuntimeException ex) {
tikhomirov@645: 			throw new HgLibraryFailureException(ex);
tikhomirov@645: 		} finally {
tikhomirov@645: 			progress.done();
tikhomirov@645: 		}
tikhomirov@645: 	}
tikhomirov@645: 	
tikhomirov@645: 	/*
tikhomirov@645: 	 * To test, start a server:
tikhomirov@645: 	 * $ hg --config web.allow_push=* --config web.push_ssl=False --config server.validate=True --debug serve
tikhomirov@645: 	 */
tikhomirov@645: 	public static void main(String[] args) throws Exception {
tikhomirov@645: 		final HgLookup hgLookup = new HgLookup();
tikhomirov@649: 		HgRepository r = hgLookup.detect("/home/artem/hg/test-phases/");
tikhomirov@645: 		HgRemoteRepository rr = hgLookup.detect(new URL("http://localhost:8000/"));
tikhomirov@645: 		new HgPushCommand(r).destination(rr).execute();
tikhomirov@645: 	}
tikhomirov@645: }