Examples of org.eclipse.jgit.revwalk.RevWalk.markStart()

org.eclipse.jgit.revwalk.RevWalk.markStart()
Mark a commit to start graph traversal from.
Callers are encouraged to use {@link #parseCommit(AnyObjectId)} to obtainthe commit reference, rather than {@link #lookupCommit(AnyObjectId)}, as this method requires the commit to be parsed before it can be added as a root for the traversal.
The method will automatically parse an unparsed commit, but error handling may be more difficult for the application to explain why a RevCommit is not actually a commit. The object pool of this walker would also be 'poisoned' by the non-commit RevCommit. @param c the commit to start traversing from. The commit passed must be from this same revision walker. @throws MissingObjectException the commit supplied is not available from the object database. This usually indicates the supplied commit is invalid, but the reference was constructed during an earlier invocation to {@link #lookupCommit(AnyObjectId)}. @throws IncorrectObjectTypeException the object was not parsed yet and it was discovered during parsing that it is not actually a commit. This usually indicates the caller supplied a non-commit SHA-1 to {@link #lookupCommit(AnyObjectId)}. @throws IOException a pack file or loose object could not be read.

      rw.setRevFilter(RevFilter.MERGE_BASE);


      RevCommit srcRev = rw.lookupCommit(commit1);
      RevCommit dstRev = rw.lookupCommit(commit2);


      rw.markStart(dstRev);
      rw.markStart(srcRev);


      RevCommit result = rw.next();
      if (result != null) {
        rw.parseBody(result);

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      RevCommit srcRev = rw.lookupCommit(commit1);
      RevCommit dstRev = rw.lookupCommit(commit2);


      rw.markStart(dstRev);
      rw.markStart(srcRev);


      RevCommit result = rw.next();
      if (result != null) {
        rw.parseBody(result);
        return result;

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    ObjectId headCommitId = repository.resolve(Constants.HEAD);
    RevCommit headCommit = walk.parseCommit(headCommitId);


    for (final RevCommit commit : commits) {
      walk.reset();
      walk.markStart(headCommit);


      RevFilter revFilter = new RevFilter() {
        @Override
        public boolean include(RevWalk walker, RevCommit cmit)
            throws StopWalkException, MissingObjectException,

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    allFlags.add(remoteFlag);
    rw.carry(allFlags);


    RevCommit srcCommit = rw.parseCommit(srcId);
    srcCommit.add(localFlag);
    rw.markStart(srcCommit);
    srcCommit = null; // free not needed resources


    RevCommit dstCommit = rw.parseCommit(dstId);
    dstCommit.add(remoteFlag);
    rw.markStart(dstCommit);

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    rw.markStart(srcCommit);
    srcCommit = null; // free not needed resources


    RevCommit dstCommit = rw.parseCommit(dstId);
    dstCommit.add(remoteFlag);
    rw.markStart(dstCommit);
    dstCommit = null; // free not needed resources


    if (pathFilter != null)
      rw.setTreeFilter(pathFilter);

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        RevCommit commit = walk.parseCommit(head.getObjectId());
        System.out.println("Start-Commit: " + commit);


        System.out.println("Walking all commits starting at HEAD");
        walk.markStart(commit);
        int count = 0;
        for (RevCommit rev : walk) {
            System.out.println("Commit: " + rev);
            count++;
        }

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      boolean foundStart = false;
      for (Ref ref : repository.getAllRefs().values()) {
        try {
          if ("HEAD".equals(ref.getName())) {
            walk.markStart(walk.parseCommit(ref.getObjectId()));
            foundStart = true;
            break;
          }
        } catch (Exception notACommit) {
          System.out.println(notACommit.getMessage());

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  }


  private List<RevCommit> findCommitsUntilSomeTag(Repository repo, RevCommit head, @NotNull Map<ObjectId, List<String>> tagObjectIdToName) {
    RevWalk revWalk = new RevWalk(repo);
    try {
      revWalk.markStart(head);


      for (RevCommit commit : revWalk) {
        ObjectId objId = commit.getId();
        if (tagObjectIdToName.size() > 0) {
          List<String> maybeList = tagObjectIdToName.get(objId);

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   */
  private int distanceBetween(@NotNull Repository repo, @NotNull RevCommit child, @NotNull RevCommit parent) {
    RevWalk revWalk = new RevWalk(repo);


    try {
      revWalk.markStart(child);


      Set<ObjectId> seena = newHashSet();
      Set<ObjectId> seenb = newHashSet();
      Queue<RevCommit> q = newLinkedList();

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  private Map<ObjectId, List<String>> findTagObjectIds(@NotNull Repository repo, boolean tagsFlag) {
    Map<ObjectId, List<DatedRevTag>> commitIdsToTags = newHashMap();


    RevWalk walk = new RevWalk(repo);
    try {
      walk.markStart(walk.parseCommit(repo.resolve("HEAD")));


      List<Ref> tagRefs = Git.wrap(repo).tagList().call();
      String matchPattern = createMatchPattern();
      Pattern regex = Pattern.compile(matchPattern);
      log("Tag refs [", tagRefs, "]");

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