hg4j: src/org/tmatesoft/hg/core/HgMergeCommand.java annotate

annotate src/org/tmatesoft/hg/core/HgMergeCommand.java @ 709:497e697636fc

Report merged lines as changed block if possible, not as a sequence of added/deleted blocks. To facilitate access to merge parent lines AddBlock got mergeLineAt() method that reports index of the line in the second parent (if any), while insertedAt() has been changed to report index in the first parent always

author	Artem Tikhomirov <tikhomirov.artem@gmail.com>
date	Wed, 21 Aug 2013 16:23:27 +0200
parents	4ffc17c0b534
children

rev	line source
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	1 /*
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	2 * Copyright (c) 2013 TMate Software Ltd
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	3 *
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	4 * This program is free software; you can redistribute it and/or modify
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	5 * it under the terms of the GNU General Public License as published by
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	6 * the Free Software Foundation; version 2 of the License.
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	7 *
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	8 * This program is distributed in the hope that it will be useful,
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	11 * GNU General Public License for more details.
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	12 *
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	13 * For information on how to redistribute this software under
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	14 * the terms of a license other than GNU General Public License
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	15 * contact TMate Software at support@hg4j.com
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	16 */
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	17 package org.tmatesoft.hg.core;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	18
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	19 import static org.tmatesoft.hg.repo.HgRepository.BAD_REVISION;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	20
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	21 import java.io.File;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	22 import java.io.FileInputStream;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	23 import java.io.IOException;
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	24 import java.io.InputStream;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	25
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	26 import org.tmatesoft.hg.internal.Callback;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	27 import org.tmatesoft.hg.internal.CsetParamKeeper;
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	28 import org.tmatesoft.hg.internal.DirstateBuilder;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	29 import org.tmatesoft.hg.internal.DirstateReader;
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	30 import org.tmatesoft.hg.internal.Experimental;
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	31 import org.tmatesoft.hg.internal.FileUtils;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	32 import org.tmatesoft.hg.internal.Internals;
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	33 import org.tmatesoft.hg.internal.ManifestRevision;
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	34 import org.tmatesoft.hg.internal.MergeStateBuilder;
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	35 import org.tmatesoft.hg.internal.Pool;
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	36 import org.tmatesoft.hg.internal.Transaction;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	37 import org.tmatesoft.hg.internal.WorkingDirFileWriter;
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	38 import org.tmatesoft.hg.repo.HgChangelog;
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	39 import org.tmatesoft.hg.repo.HgManifest;
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	40 import org.tmatesoft.hg.repo.HgParentChildMap;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	41 import org.tmatesoft.hg.repo.HgRepository;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	42 import org.tmatesoft.hg.repo.HgRepositoryLock;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	43 import org.tmatesoft.hg.repo.HgRevisionMap;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	44 import org.tmatesoft.hg.repo.HgRuntimeException;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	45 import org.tmatesoft.hg.util.CancelledException;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	46 import org.tmatesoft.hg.util.Path;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	47
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	48 /**
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	49 * Merge two revisions, 'hg merge REV' counterpart
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	50 *
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	51 * @author Artem Tikhomirov
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	52 * @author TMate Software Ltd.
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	53 * @since 1.2
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	54 */
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	55 @Experimental(reason="Provisional API. Work in progress")
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	56 public class HgMergeCommand extends HgAbstractCommand<HgMergeCommand> {
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	57
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	58 private final HgRepository repo;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	59 private int firstCset, secondCset, ancestorCset;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	60
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	61 public HgMergeCommand(HgRepository hgRepo) {
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	62 repo = hgRepo;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	63 firstCset = secondCset = ancestorCset = BAD_REVISION;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	64 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	65
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	66 public HgMergeCommand changeset(Nodeid changeset) throws HgBadArgumentException {
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	67 initHeadsAndAncestor(new CsetParamKeeper(repo).set(changeset).get());
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	68 return this;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	69 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	70
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	71 public HgMergeCommand changeset(int revisionIndex) throws HgBadArgumentException {
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	72 initHeadsAndAncestor(new CsetParamKeeper(repo).set(revisionIndex).get());
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	73 return this;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	74 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	75
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	76 public void execute(Mediator mediator) throws HgCallbackTargetException, HgRepositoryLockException, HgIOException, HgLibraryFailureException, CancelledException {
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	77 if (firstCset == BAD_REVISION \|\| secondCset == BAD_REVISION \|\| ancestorCset == BAD_REVISION) {
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	78 throw new IllegalArgumentException("Merge heads and their ancestors are not initialized");
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	79 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	80 final HgRepositoryLock wdLock = repo.getWorkingDirLock();
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	81 wdLock.acquire();
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	82 try {
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	83 Pool<Nodeid> cacheRevs = new Pool<Nodeid>();
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	84 Pool<Path> cacheFiles = new Pool<Path>();
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	85
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	86 Internals implRepo = Internals.getInstance(repo);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	87 final DirstateBuilder dirstateBuilder = new DirstateBuilder(implRepo);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	88 dirstateBuilder.fillFrom(new DirstateReader(implRepo, new Path.SimpleSource(repo.getSessionContext().getPathFactory(), cacheFiles)));
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	89 final HgChangelog clog = repo.getChangelog();
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	90 final Nodeid headCset1 = clog.getRevision(firstCset);
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	91 dirstateBuilder.parents(headCset1, clog.getRevision(secondCset));
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	92 //
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	93 MergeStateBuilder mergeStateBuilder = new MergeStateBuilder(implRepo);
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	94 mergeStateBuilder.prepare(headCset1);
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	95
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	96 ManifestRevision m1, m2, ma;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	97 m1 = new ManifestRevision(cacheRevs, cacheFiles).init(repo, firstCset);
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	98 m2 = new ManifestRevision(cacheRevs, cacheFiles).init(repo, secondCset);
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	99 ma = new ManifestRevision(cacheRevs, cacheFiles).init(repo, ancestorCset);
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	100 Transaction transaction = implRepo.getTransactionFactory().create(repo);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	101 ResolverImpl resolver = new ResolverImpl(implRepo, dirstateBuilder, mergeStateBuilder);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	102 try {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	103 for (Path f : m1.files()) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	104 Nodeid fileRevBase, fileRevA, fileRevB;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	105 if (m2.contains(f)) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	106 fileRevA = m1.nodeid(f);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	107 fileRevB = m2.nodeid(f);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	108 fileRevBase = ma.contains(f) ? ma.nodeid(f) : null;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	109 if (fileRevA.equals(fileRevB)) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	110 HgFileRevision fr = new HgFileRevision(repo, fileRevA, m1.flags(f), f);
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	111 resolver.presentState(f, fr, fr, null);
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	112 mediator.same(fr, resolver);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	113 } else if (fileRevBase == fileRevA) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	114 assert fileRevBase != null;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	115 HgFileRevision frBase = new HgFileRevision(repo, fileRevBase, ma.flags(f), f);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	116 HgFileRevision frSecond= new HgFileRevision(repo, fileRevB, m2.flags(f), f);
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	117 resolver.presentState(f, frBase, frSecond, frBase);
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	118 mediator.fastForwardB(frBase, frSecond, resolver);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	119 } else if (fileRevBase == fileRevB) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	120 assert fileRevBase != null;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	121 HgFileRevision frBase = new HgFileRevision(repo, fileRevBase, ma.flags(f), f);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	122 HgFileRevision frFirst = new HgFileRevision(repo, fileRevA, m1.flags(f), f);
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	123 resolver.presentState(f, frFirst, frBase, frBase);
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	124 mediator.fastForwardA(frBase, frFirst, resolver);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	125 } else {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	126 HgFileRevision frBase = fileRevBase == null ? null : new HgFileRevision(repo, fileRevBase, ma.flags(f), f);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	127 HgFileRevision frFirst = new HgFileRevision(repo, fileRevA, m1.flags(f), f);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	128 HgFileRevision frSecond= new HgFileRevision(repo, fileRevB, m2.flags(f), f);
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	129 resolver.presentState(f, frFirst, frSecond, frBase);
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	130 mediator.resolve(frBase, frFirst, frSecond, resolver);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	131 }
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	132 } else {
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	133 // m2 doesn't contain the file, either new in m1, or deleted in m2
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	134 HgFileRevision frFirst = new HgFileRevision(repo, m1.nodeid(f), m1.flags(f), f);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	135 if (ma.contains(f)) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	136 // deleted in m2
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	137 HgFileRevision frBase = new HgFileRevision(repo, ma.nodeid(f), ma.flags(f), f);
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	138 resolver.presentState(f, frFirst, null, frBase);
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	139 mediator.onlyA(frBase, frFirst, resolver);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	140 } else {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	141 // new in m1
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	142 resolver.presentState(f, frFirst, null, null);
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	143 mediator.newInA(frFirst, resolver);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	144 }
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	145 }
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	146 resolver.apply();
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	147 } // for m1 files
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	148 for (Path f : m2.files()) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	149 if (m1.contains(f)) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	150 continue;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	151 }
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	152 HgFileRevision frSecond= new HgFileRevision(repo, m2.nodeid(f), m2.flags(f), f);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	153 // file in m2 is either new or deleted in m1
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	154 if (ma.contains(f)) {
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	155 // deleted in m1
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	156 HgFileRevision frBase = new HgFileRevision(repo, ma.nodeid(f), ma.flags(f), f);
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	157 resolver.presentState(f, null, frSecond, frBase);
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	158 mediator.onlyB(frBase, frSecond, resolver);
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	159 } else {
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	160 // new in m2
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	161 resolver.presentState(f, null, frSecond, null);
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	162 mediator.newInB(frSecond, resolver);
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	163 }
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	164 resolver.apply();
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	165 }
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	166 resolver.serializeChanged(transaction);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	167 transaction.commit();
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	168 } catch (HgRuntimeException ex) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	169 transaction.rollback();
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	170 mergeStateBuilder.abandon();
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	171 throw ex;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	172 } catch (HgIOException ex) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	173 transaction.rollback();
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	174 mergeStateBuilder.abandon();
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	175 throw ex;
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	176 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	177 } catch (HgRuntimeException ex) {
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	178 throw new HgLibraryFailureException(ex);
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	179 } finally {
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	180 wdLock.release();
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	181 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	182 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	183
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	184 private void initHeadsAndAncestor(int csetIndexB) throws HgBadArgumentException {
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	185 firstCset = secondCset = ancestorCset = BAD_REVISION;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	186 if (csetIndexB == HgRepository.BAD_REVISION) {
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	187 throw new HgBadArgumentException("Need valid second head for merge", null);
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	188 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	189 // TODO cache/share parent-child map, e.g. right in HgChangelog?! #getOrCreate
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	190 HgParentChildMap<HgChangelog> pmap = new HgParentChildMap<HgChangelog>(repo.getChangelog());
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	191 pmap.init();
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	192 final HgRevisionMap<HgChangelog> rmap = pmap.getRevisionMap();
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	193 final Nodeid csetA = repo.getWorkingCopyParents().first();
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	194 final Nodeid csetB = rmap.revision(csetIndexB);
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	195 final Nodeid ancestor = pmap.ancestor(csetA, csetB);
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	196 assert !ancestor.isNull();
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	197 if (ancestor.equals(csetA) \|\| ancestor.equals(csetB)) {
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	198 throw new HgBadArgumentException(String.format("Revisions %s and %s are on the same line of descent, use update instead of merge", csetA.shortNotation(), csetB.shortNotation()), null);
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	199 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	200 firstCset = rmap.revisionIndex(csetA);
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	201 secondCset = csetIndexB;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	202 ancestorCset = rmap.revisionIndex(ancestor);
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	203 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	204
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	205 /**
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	206 * This is the way client code takes part in the merge process.
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	207 * It's advised to subclass {@link MediatorBase} unless special treatment for regular cases is desired
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	208 */
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	209 @Experimental(reason="Provisional API. Work in progress")
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	210 @Callback
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	211 public interface Mediator {
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	212 /**
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	213 * file revisions are identical in both heads
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	214 */
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	215 public void same(HgFileRevision rev, Resolver resolver) throws HgCallbackTargetException;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	216 /**
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	217 * file left in first/left/A trunk only, deleted in second/right/B trunk
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	218 */
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	219 public void onlyA(HgFileRevision base, HgFileRevision rev, Resolver resolver) throws HgCallbackTargetException;
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	220 /**
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	221 * file left in second/right/B trunk only, deleted in first/left/A trunk
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	222 */
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	223 public void onlyB(HgFileRevision base, HgFileRevision rev, Resolver resolver) throws HgCallbackTargetException;
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	224 /**
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	225 * file is missing in ancestor revision and second/right/B trunk, introduced in first/left/A trunk
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	226 */
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	227 public void newInA(HgFileRevision rev, Resolver resolver) throws HgCallbackTargetException;
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	228 /**
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	229 * file is missing in ancestor revision and first/left/A trunk, introduced in second/right/B trunk
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	230 */
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	231 public void newInB(HgFileRevision rev, Resolver resolver) throws HgCallbackTargetException;
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	232 /**
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	233 * file was changed in first/left/A trunk, unchanged in second/right/B trunk
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	234 */
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	235 public void fastForwardA(HgFileRevision base, HgFileRevision first, Resolver resolver) throws HgCallbackTargetException;
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	236 /**
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	237 * file was changed in second/right/B trunk, unchanged in first/left/A trunk
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	238 */
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	239 public void fastForwardB(HgFileRevision base, HgFileRevision second, Resolver resolver) throws HgCallbackTargetException;
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	240 /**
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	241 * File changed (or added, if base is <code>null</code>) in both trunks
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	242 */
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	243 public void resolve(HgFileRevision base, HgFileRevision first, HgFileRevision second, Resolver resolver) throws HgCallbackTargetException;
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	244 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	245
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	246 /**
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	247 * Clients shall not implement this interface.
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	248 * They use this API from inside {@link Mediator#resolve(HgFileRevision, HgFileRevision, HgFileRevision, Resolver)}
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	249 */
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	250 @Experimental(reason="Provisional API. Work in progress")
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	251 public interface Resolver {
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	252 public void use(HgFileRevision rev);
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	253 /**
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	254 * Replace current revision with stream content.
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	255 * Note, callers are not expected to {@link InputStream#close()} this stream.
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	256 * It will be {@link InputStream#close() closed} at <b>Hg4J</b>'s discretion
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	257 * not necessarily during invocation of this method. IOW, the library may decide to
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	258 * use this stream not right away, at some point of time later, and streams supplied
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	259 * shall respect this.
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	260 *
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	261 * @param content New content to replace current revision, shall not be <code>null</code>
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	262 * @throws IOException propagated exceptions from content
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	263 */
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	264 public void use(InputStream content) throws IOException;
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	265 /**
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	266 * Do not use this file for resolution. Marks the file for deletion, if appropriate.
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	267 */
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	268 public void forget(HgFileRevision rev);
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	269 /**
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	270 * Record the file for later processing by 'hg resolve'. It's required
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	271 * that processed file present in both trunks. We need two file revisions
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	272 * to put an entry into merge/state file.
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	273 *
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	274 * XXX Perhaps, shall take two HgFileRevision arguments to facilitate
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	275 * extra control over what goes into merge/state and to ensure this method
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	276 * is not invoked when there are no conflicting revisions.
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	277 */
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	278 public void unresolved();
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	279 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	280
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	281 /**
708 4ffc17c0b534 Merge: tests for resolver and complex scenario. Enable commit for merged revisions. Reuse file revisions if nothing changed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 707 diff changeset	282 * Base mediator implementation, with regular resolution (and "don't delete anything" approach in mind).
4ffc17c0b534 Merge: tests for resolver and complex scenario. Enable commit for merged revisions. Reuse file revisions if nothing changed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 707 diff changeset	283 * Subclasses shall override methods to provide alternative implementation or to add extra logic (e.g. ask user).
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	284 */
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	285 @Experimental(reason="Provisional API. Work in progress")
708 4ffc17c0b534 Merge: tests for resolver and complex scenario. Enable commit for merged revisions. Reuse file revisions if nothing changed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 707 diff changeset	286 public static class MediatorBase implements Mediator {
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	287 /**
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	288 * Implementation keeps this revision
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	289 */
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	290 public void same(HgFileRevision rev, Resolver resolver) throws HgCallbackTargetException {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	291 resolver.use(rev);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	292 }
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	293 /**
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	294 * Implementation keeps file revision from first/left/A trunk.
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	295 * Subclasses may opt to {@link Resolver#forget(HgFileRevision) delete} it as it's done in second/right/B trunk.
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	296 */
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	297 public void onlyA(HgFileRevision base, HgFileRevision rev, Resolver resolver) throws HgCallbackTargetException {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	298 resolver.use(rev);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	299 }
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	300 /**
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	301 * Implementation restores file from second/right/B trunk.
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	302 * Subclasses may ask user to decide if it's necessary to do that
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	303 */
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	304 public void onlyB(HgFileRevision base, HgFileRevision rev, Resolver resolver) throws HgCallbackTargetException {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	305 resolver.use(rev);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	306 }
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	307 /**
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	308 * Implementation keeps this revision
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	309 */
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	310 public void newInA(HgFileRevision rev, Resolver resolver) throws HgCallbackTargetException {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	311 resolver.use(rev);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	312 }
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	313 /**
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	314 * Implementation adds this revision. Subclasses my let user decide if it's necessary to add the file
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	315 */
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	316 public void newInB(HgFileRevision rev, Resolver resolver) throws HgCallbackTargetException {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	317 resolver.use(rev);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	318 }
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	319 /**
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	320 * Implementation keeps latest revision
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	321 */
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	322 public void fastForwardA(HgFileRevision base, HgFileRevision first, Resolver resolver) throws HgCallbackTargetException {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	323 resolver.use(first);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	324 }
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	325 /**
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	326 * Implementation keeps latest revision
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	327 */
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	328 public void fastForwardB(HgFileRevision base, HgFileRevision second, Resolver resolver) throws HgCallbackTargetException {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	329 resolver.use(second);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	330 }
708 4ffc17c0b534 Merge: tests for resolver and complex scenario. Enable commit for merged revisions. Reuse file revisions if nothing changed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 707 diff changeset	331
4ffc17c0b534 Merge: tests for resolver and complex scenario. Enable commit for merged revisions. Reuse file revisions if nothing changed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 707 diff changeset	332 /**
4ffc17c0b534 Merge: tests for resolver and complex scenario. Enable commit for merged revisions. Reuse file revisions if nothing changed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 707 diff changeset	333 * Implementation marks file as unresolved
4ffc17c0b534 Merge: tests for resolver and complex scenario. Enable commit for merged revisions. Reuse file revisions if nothing changed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 707 diff changeset	334 */
4ffc17c0b534 Merge: tests for resolver and complex scenario. Enable commit for merged revisions. Reuse file revisions if nothing changed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 707 diff changeset	335 public void resolve(HgFileRevision base, HgFileRevision first, HgFileRevision second, Resolver resolver) throws HgCallbackTargetException {
4ffc17c0b534 Merge: tests for resolver and complex scenario. Enable commit for merged revisions. Reuse file revisions if nothing changed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 707 diff changeset	336 resolver.unresolved();
4ffc17c0b534 Merge: tests for resolver and complex scenario. Enable commit for merged revisions. Reuse file revisions if nothing changed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 707 diff changeset	337 }
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	338 }
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	339
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	340 private static class ResolverImpl implements Resolver {
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	341
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	342 private final Internals repo;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	343 private final DirstateBuilder dirstateBuilder;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	344 private final MergeStateBuilder mergeStateBuilder;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	345 private boolean changedDirstate;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	346 private HgFileRevision revA;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	347 private HgFileRevision revB;
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	348 private HgFileRevision revBase;
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	349 private Path file;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	350 // resolutions:
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	351 private HgFileRevision resolveUse, resolveForget;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	352 private File resolveContent;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	353 private boolean resolveMarkUnresolved;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	354
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	355 public ResolverImpl(Internals implRepo, DirstateBuilder dirstateBuilder, MergeStateBuilder mergeStateBuilder) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	356 repo = implRepo;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	357 this.dirstateBuilder = dirstateBuilder;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	358 this.mergeStateBuilder = mergeStateBuilder;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	359 changedDirstate = false;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	360 }
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	361
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	362 void serializeChanged(Transaction tr) throws HgIOException {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	363 if (changedDirstate) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	364 dirstateBuilder.serialize(tr);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	365 }
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	366 mergeStateBuilder.serialize();
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	367 }
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	368
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	369 void presentState(Path p, HgFileRevision revA, HgFileRevision revB, HgFileRevision base) {
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	370 assert revA != null \|\| revB != null;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	371 file = p;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	372 this.revA = revA;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	373 this.revB = revB;
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	374 revBase = base;
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	375 resolveUse = resolveForget = null;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	376 resolveContent = null;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	377 resolveMarkUnresolved = false;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	378 }
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	379
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	380 void apply() throws HgIOException, HgRuntimeException {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	381 if (resolveMarkUnresolved) {
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	382 HgFileRevision c = revBase;
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	383 if (revBase == null) {
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	384 // fake revision, null parent
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	385 c = new HgFileRevision(repo.getRepo(), Nodeid.NULL, HgManifest.Flags.RegularFile, file);
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	386 }
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	387 mergeStateBuilder.unresolved(file, revA, revB, c, revA.getFileFlags());
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	388 changedDirstate = true;
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	389 dirstateBuilder.recordMergedExisting(file, revA.getPath());
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	390 } else if (resolveForget != null) {
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	391 // it revision to forget comes from second/B trunk, shall record it as removed
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	392 // only when corresponding file in first/A trunk is missing (merge:_forgetremoved())
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	393 if (resolveForget == revA \|\| (resolveForget == revB && revA == null)) {
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	394 changedDirstate = true;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	395 dirstateBuilder.recordRemoved(file);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	396 }
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	397 } else if (resolveUse != null) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	398 if (resolveUse != revA) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	399 changedDirstate = true;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	400 final WorkingDirFileWriter fw = new WorkingDirFileWriter(repo);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	401 fw.processFile(resolveUse);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	402 if (resolveUse == revB) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	403 dirstateBuilder.recordMergedFromP2(file);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	404 } else {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	405 dirstateBuilder.recordMerged(file, fw.fmode(), fw.mtime(), fw.bytesWritten());
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	406 }
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	407 } // if resolution is to use revA, nothing to do
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	408 } else if (resolveContent != null) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	409 changedDirstate = true;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	410 // FIXME write content to file using transaction?
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	411 InputStream is;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	412 try {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	413 is = new FileInputStream(resolveContent);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	414 } catch (IOException ex) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	415 throw new HgIOException("Failed to read temporary content", ex, resolveContent);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	416 }
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	417 final WorkingDirFileWriter fw = new WorkingDirFileWriter(repo);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	418 fw.processFile(file, is, revA == null ? revB.getFileFlags() : revA.getFileFlags());
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	419 // XXX if presentState(null, fileOnlyInB), and use(InputStream) - i.e.
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	420 // resolution is to add file with supplied content - shall I put 'Merged', MergedFromP2 or 'Added' into dirstate?
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	421 if (revA == null && revB != null) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	422 dirstateBuilder.recordMergedFromP2(file);
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	423 } else {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	424 dirstateBuilder.recordMerged(file, fw.fmode(), fw.mtime(), fw.bytesWritten());
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	425 }
706 cd5c87d96315 Merge: tests for mediator notifications Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 705 diff changeset	426 } // else no resolution was chosen, fine with that
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	427 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	428
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	429 public void use(HgFileRevision rev) {
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	430 if (rev == null) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	431 throw new IllegalArgumentException();
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	432 }
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	433 assert resolveContent == null;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	434 assert resolveForget == null;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	435 resolveUse = rev;
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	436 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	437
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	438 public void use(InputStream content) throws IOException {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	439 if (content == null) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	440 throw new IllegalArgumentException();
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	441 }
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	442 assert resolveUse == null;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	443 assert resolveForget == null;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	444 try {
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	445 resolveContent = FileUtils.createTempFile();
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	446 new FileUtils(repo.getLog(), this).write(content, resolveContent);
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	447 } finally {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	448 content.close();
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	449 }
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	450 // do not care deleting file in case of failure to allow analyze of the issue
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	451 }
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	452
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	453 public void forget(HgFileRevision rev) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	454 if (rev == null) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	455 throw new IllegalArgumentException();
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	456 }
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	457 if (rev != revA \|\| rev != revB) {
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	458 throw new IllegalArgumentException("Can't forget revision which doesn't represent actual state in either merged trunk");
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	459 }
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	460 assert resolveUse == null;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	461 assert resolveContent == null;
b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	462 resolveForget = rev;
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	463 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	464
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	465 public void unresolved() {
707 42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	466 if (revA == null \|\| revB == null) {
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	467 throw new UnsupportedOperationException("To mark conflict as unresolved need two revisions");
42b88709e41d Merge: support 'unresolved' resolution with MergeStateBuilder Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 706 diff changeset	468 }
705 b4242b7e7dfe Merge command: implement conflict resolution alternatives Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 704 diff changeset	469 resolveMarkUnresolved = true;
704 7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	470 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	471 }
7743a9c10bfa Merge command introduced Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	472 }

Mercurial > hg4j

annotate src/org/tmatesoft/hg/core/HgMergeCommand.java @ 709:497e697636fc