Examples with Change com.google.copybara.Change used on opensource projects

Example 1 with Change

use of com.google.copybara.Change in project copybara by google.

the class GitHubPrOrigin method newReader.

@Override
public Reader<GitRevision> newReader(Glob originFiles, Authoring authoring) throws ValidationException {
    return new ReaderImpl(url, originFiles, authoring, gitOptions, gitOriginOptions, generalOptions, /*includeBranchCommitLogs=*/
    false, submoduleStrategy, firstParent, partialFetch, patchTransformation, describeVersion, /*configPath=*/
    null, /*workflowName=*/
    null) {

        /**
         * Disable rebase since this is controlled by useMerge field.
         */
        @Override
        protected void maybeRebase(GitRepository repo, GitRevision ref, Path workdir) throws RepoException, CannotResolveRevisionException {
        }

        @Override
        public Optional<Baseline<GitRevision>> findBaseline(GitRevision startRevision, String label) throws RepoException, ValidationException {
            if (!baselineFromBranch) {
                return super.findBaseline(startRevision, label);
            }
            return findBaselinesWithoutLabel(startRevision, /*limit=*/
            1).stream().map(e -> new Baseline<>(e.getSha1(), e)).findFirst();
        }

        @Override
        public ImmutableList<GitRevision> findBaselinesWithoutLabel(GitRevision startRevision, int limit) throws RepoException, ValidationException {
            String baseline = Iterables.getLast(startRevision.associatedLabels().get(GITHUB_BASE_BRANCH_SHA1), null);
            checkNotNull(baseline, "%s label should be present in %s", GITHUB_BASE_BRANCH_SHA1, startRevision);
            GitRevision baselineRev = getRepository().resolveReference(baseline);
            // Don't skip the first change as it is already the baseline
            BaselinesWithoutLabelVisitor<GitRevision> visitor = new BaselinesWithoutLabelVisitor<>(originFiles, limit, /*skipFirst=*/
            false);
            visitChanges(baselineRev, visitor);
            return visitor.getResult();
        }

        @Override
        public Endpoint getFeedbackEndPoint(Console console) throws ValidationException {
            gitHubOptions.validateEndpointChecker(endpointChecker);
            return new GitHubEndPoint(gitHubOptions.newGitHubApiSupplier(url, endpointChecker, ghHost), url, console, ghHost);
        }

        /**
         * Deal with the case of useMerge. We have a new commit (the merge) and first-parent from that
         * commit doesn't work for this case.
         */
        @Override
        public ChangesResponse<GitRevision> changes(@Nullable GitRevision fromRef, GitRevision toRef) throws RepoException, ValidationException {
            checkCondition(toRef.associatedLabels().containsKey(GITHUB_PR_USE_MERGE), "Cannot determine whether 'use_merge' was set.");
            if (toRef.associatedLabel(GITHUB_PR_USE_MERGE).contains("false")) {
                return super.changes(fromRef, toRef);
            }
            GitLogEntry merge = Iterables.getOnlyElement(getRepository().log(toRef.getSha1()).withLimit(1).run());
            // Fast-forward merge
            if (merge.getParents().size() == 1) {
                return super.changes(fromRef, toRef);
            }
            // HEAD of the Pull Request
            GitRevision gitRevision = merge.getParents().get(1);
            ChangesResponse<GitRevision> prChanges = super.changes(fromRef, gitRevision);
            // origin_files
            if (prChanges.isEmpty()) {
                return prChanges;
            }
            try {
                return ChangesResponse.forChanges(ImmutableList.<Change<GitRevision>>builder().addAll(prChanges.getChanges()).add(change(merge.getCommit())).build());
            } catch (EmptyChangeException e) {
                throw new RepoException("Error getting the merge commit information: " + merge, e);
            }
        }
    };
}

Example 2 with Change

use of com.google.copybara.Change in project copybara by google.

the class ChangeReader method parseChanges.

private ImmutableList<Change<HgRevision>> parseChanges(ImmutableList<HgLogEntry> logEntries) throws RepoException {
    ImmutableList.Builder<Change<HgRevision>> result = ImmutableList.builder();
    for (HgLogEntry entry : logEntries) {
        HgRevision rev = new HgRevision(entry.getGlobalId());
        if (NULL_GLOBAL_ID.equals(rev.getGlobalId())) {
            continue;
        }
        Author user;
        try {
            user = AuthorParser.parse(entry.getUser());
        } catch (InvalidAuthorException e) {
            console.warn(String.format("Cannot parse commit user and email: %s", e.getMessage()));
            user = authoring.orElseThrow(() -> new RepoException("No default author provided.")).getDefaultAuthor();
        }
        ImmutableList<HgRevision> parents = entry.getParents().stream().map(HgRevision::new).collect(ImmutableList.toImmutableList());
        result.add(new Change<>(rev, user, entry.getDescription(), entry.getZonedDate(), ChangeMessage.parseAllAsLabels(entry.getDescription()).labelsAsMultimap(), ImmutableSet.copyOf(entry.getFiles()), parents.size() > 1, parents));
    }
    return result.build();
}

Example 3 with Change

use of com.google.copybara.Change in project copybara by google.

the class HgVisitorUtil method visitChanges.

/**
 * Visits Hg changes, up to the termination point specified by the visitor.
 */
static void visitChanges(HgRevision start, ChangesVisitor visitor, ChangeReader.Builder queryChanges, GeneralOptions generalOptions, String type, int visitChangePageSize) throws RepoException {
    Preconditions.checkNotNull(start);
    int offset = 0;
    boolean finished = false;
    try (ProfilerTask ignore = generalOptions.profiler().start(type + "/visit_changes")) {
        while (!finished) {
            ImmutableList<Change<HgRevision>> result;
            try (ProfilerTask ignore2 = generalOptions.profiler().start(String.format("hg_log_%d_%d", offset, visitChangePageSize))) {
                try {
                    result = queryChanges.setSkip(offset).setLimit(visitChangePageSize).build().run(start.getGlobalId()).reverse();
                } catch (ValidationException e) {
                    throw new RepoException(String.format("Error querying changes: %s", e.getMessage()), e.getCause());
                }
            }
            if (result.isEmpty()) {
                break;
            }
            offset += result.size();
            for (Change<HgRevision> current : result) {
                if (visitor.visit(current) == VisitResult.TERMINATE) {
                    finished = true;
                    break;
                }
            }
        }
    }
}

Example 4 with Change

use of com.google.copybara.Change in project copybara by google.

the class GitDestinationTest method testChangeDescriptionEmpty_empty_commit.

@Test
public void testChangeDescriptionEmpty_empty_commit() throws Exception {
    fetch = primaryBranch;
    push = primaryBranch;
    Path scratchTree = Files.createTempDirectory("GitDestinationTest-testLocalRepo");
    Files.write(scratchTree.resolve("foo"), "foo\n".getBytes(UTF_8));
    repo().withWorkTree(scratchTree).add().force().files("foo").run();
    repo().withWorkTree(scratchTree).simpleCommand("commit", "-a", "-m", "change");
    DummyRevision originRef = new DummyRevision("origin_ref");
    WriterContext writerContext = new WriterContext("GitDestinationTest", "test", true, new DummyRevision("origin_ref1"), Glob.ALL_FILES.roots());
    Writer<GitRevision> writer = destination().newWriter(writerContext);
    ValidationException e = assertThrows(EmptyChangeException.class, () -> writer.write(TransformResults.of(workdir, originRef).withSummary("").withLabelFinder(s -> ImmutableList.of()).withSetRevId(false), Glob.createGlob(ImmutableList.of("nothing_to_be_found"), ImmutableList.of("test.txt")), console));
    assertThat(e).hasMessageThat().contains("Migration of the revision resulted in an empty change");
}

Example 5 with Change

use of com.google.copybara.Change in project copybara by google.

the class GitDestinationTest method testTagWithMsg.

@Test
public void testTagWithMsg() throws Exception {
    fetch = primaryBranch;
    push = primaryBranch;
    Files.write(workdir.resolve("test.txt"), "some content".getBytes(UTF_8));
    options.setForce(true);
    WriterContext writerContext = new WriterContext("piper_to_github", "TEST", false, new DummyRevision("test"), Glob.ALL_FILES.roots());
    evalDestination().newWriter(writerContext).write(TransformResults.of(workdir, new DummyRevision("ref1")), destinationFiles, console);
    options.setForce(false);
    Changes changes = new Changes(ImmutableList.of(new Change<>(new DummyRevision("ref2"), new Author("foo", "foo@foo.com"), "message", ZonedDateTime.now(ZoneOffset.UTC), ImmutableListMultimap.of("my_label", "12345"))), ImmutableList.of());
    Files.write(workdir.resolve("test.txt"), "some content 2".getBytes(UTF_8));
    evalDestinationWithTag(tagMsg).newWriter(writerContext).write(TransformResults.of(workdir, new DummyRevision("ref2")).withChanges(changes), destinationFiles, console);
    CommandOutput commandOutput = repo().simpleCommand("tag", "-n9");
    assertThat(commandOutput.getStdout()).matches(".*test_v1.*" + tagMsg + "\n");
}