Examples of org.eclipse.jgit.lib.Repository.resolve()

org.eclipse.jgit.lib.Repository.resolve()
Parse a git revision string and return an object id. Combinations of these operators are supported:
- HEAD, MERGE_HEAD, FETCH_HEAD
- SHA-1: a complete or abbreviated SHA-1
- refs/...: a complete reference name
- short-name: a short reference name under {@code refs/heads}, {@code refs/tags}, or {@code refs/remotes} namespace
- tag-NN-gABBREV: output from describe, parsed by treating {@code ABBREV} as an abbreviated SHA-1.
- id^: first parent of commit id, this is the same as {@code id^1}
- id^0: ensure id is a commit
- id^n: n-th parent of commit id
- id~n: n-th historical ancestor of id, by first parent. {@code id~3} is equivalent to {@code id^1^1^1} or {@code id^^^}.
- id:path: Lookup path under tree named by id
- id^{commit}: ensure id is a commit
- id^{tree}: ensure id is a tree
- id^{tag}: ensure id is a tag
- id^{blob}: ensure id is a blob
The following operators are specified by Git conventions, but are not supported by this method:
- ref@{n}: n-th version of ref as given by its reflog
- ref@{time}: value of ref at the designated time
@param revstr A git object references expression @return an ObjectId or null if revstr can't be resolved to any ObjectId @throws AmbiguousObjectException {@code revstr} contains an abbreviated ObjectId and thisrepository contains more than one object which match to the input abbreviation. @throws IncorrectObjectTypeException the id parsed does not meet the type required to finish applying the operators in the expression. @throws RevisionSyntaxException the expression is not supported by this implementation, or does not meet the standard syntax. @throws IOException on serious errors

        Branch branch = branches.get(i);
        if (commitsSize == 0) {
          children.put(branch.toJSON());
        } else {
          String branchName = branch.getName(true, false);
          ObjectId toObjectId = db.resolve(branchName);
          Ref toRefId = db.getRef(branchName);
          if (toObjectId == null) {
            String msg = NLS.bind("No ref or commit found: {0}", branchName);
            return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, msg, null);
          }

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      }


      gitSegment = GitUtils.decode(filterPath.segment(0));
      filterPath = filterPath.removeFirstSegments(1);
      pattern = filterPath.toPortableString();
      ObjectId head = repo.resolve(gitSegment);
      if (head == null) {
        throw new Exception("Missing ref in git segment");
      }
      walk = new RevWalk(repo);
      // add try catch to catch failures

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    assertFalse(newRefId1.equals(refId1));


    // clone1: log master..origin/master
    // TODO replace with tests methods from GitLogTest, bug 340051
    Repository db1 = getRepositoryForContentLocation(contentLocation1);
    ObjectId master = db1.resolve(Constants.MASTER);
    ObjectId originMaster = db1.resolve(Constants.R_REMOTES + Constants.DEFAULT_REMOTE_NAME + '/' + Constants.MASTER);
    Git git = new Git(db1);
    Iterable<RevCommit> commits = git.log().addRange(master, originMaster).call();
    int c = 0;
    for (RevCommit commit : commits) {

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    // clone1: log master..origin/master
    // TODO replace with tests methods from GitLogTest, bug 340051
    Repository db1 = getRepositoryForContentLocation(contentLocation1);
    ObjectId master = db1.resolve(Constants.MASTER);
    ObjectId originMaster = db1.resolve(Constants.R_REMOTES + Constants.DEFAULT_REMOTE_NAME + '/' + Constants.MASTER);
    Git git = new Git(db1);
    Iterable<RevCommit> commits = git.log().addRange(master, originMaster).call();
    int c = 0;
    for (RevCommit commit : commits) {
      assertEquals("incoming change commit", commit.getFullMessage());

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    assertFalse(newRefId1.equals(refId1));


    // clone1: log master..origin/master
    // TODO replace with tests methods from GitLogTest, bug 340051
    Repository db1 = getRepositoryForContentLocation(cloneContentLocation1);
    ObjectId master = db1.resolve(Constants.MASTER);
    ObjectId originMaster = db1.resolve(Constants.R_REMOTES + Constants.DEFAULT_REMOTE_NAME + '/' + Constants.MASTER);
    Git git = new Git(db1);
    Iterable<RevCommit> commits = git.log().addRange(master, originMaster).call();
    int c = 0;
    for (RevCommit commit : commits) {

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    // clone1: log master..origin/master
    // TODO replace with tests methods from GitLogTest, bug 340051
    Repository db1 = getRepositoryForContentLocation(cloneContentLocation1);
    ObjectId master = db1.resolve(Constants.MASTER);
    ObjectId originMaster = db1.resolve(Constants.R_REMOTES + Constants.DEFAULT_REMOTE_NAME + '/' + Constants.MASTER);
    Git git = new Git(db1);
    Iterable<RevCommit> commits = git.log().addRange(master, originMaster).call();
    int c = 0;
    for (RevCommit commit : commits) {
      assertEquals("incoming change commit", commit.getFullMessage());

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    // We expect firstcommit to appear by id
    assertEquals("42e4e7c5e507e113ebbb7801b16b52cf867b7ce1", advertisedRef
        .getObjectId().name());
    // ..and by name as the bundle created a new ref
    assertEquals("42e4e7c5e507e113ebbb7801b16b52cf867b7ce1", newRepo
        .resolve("refs/heads/firstcommit").name());
  }


  /**
   * Incremental bundle test

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    Repository newRepo = createBareRepository();
    FetchResult fetchResult = fetchFromBundle(newRepo, bundle);
    Ref advertisedRef = fetchResult.getAdvertisedRef("refs/heads/aa");


    assertEquals(db.resolve("a").name(), advertisedRef.getObjectId().name());
    assertEquals(db.resolve("a").name(), newRepo.resolve("refs/heads/aa")
        .name());
    assertNull(newRepo.resolve("refs/heads/a"));


    // Next an incremental bundle
    bundle = makeBundle("refs/heads/cc", db.resolve("c").name(),

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    Ref advertisedRef = fetchResult.getAdvertisedRef("refs/heads/aa");


    assertEquals(db.resolve("a").name(), advertisedRef.getObjectId().name());
    assertEquals(db.resolve("a").name(), newRepo.resolve("refs/heads/aa")
        .name());
    assertNull(newRepo.resolve("refs/heads/a"));


    // Next an incremental bundle
    bundle = makeBundle("refs/heads/cc", db.resolve("c").name(),
        new RevWalk(db).parseCommit(db.resolve("a").toObjectId()));
    fetchResult = fetchFromBundle(newRepo, bundle);

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    bundle = makeBundle("refs/heads/cc", db.resolve("c").name(),
        new RevWalk(db).parseCommit(db.resolve("a").toObjectId()));
    fetchResult = fetchFromBundle(newRepo, bundle);
    advertisedRef = fetchResult.getAdvertisedRef("refs/heads/cc");
    assertEquals(db.resolve("c").name(), advertisedRef.getObjectId().name());
    assertEquals(db.resolve("c").name(), newRepo.resolve("refs/heads/cc")
        .name());
    assertNull(newRepo.resolve("refs/heads/c"));
    assertNull(newRepo.resolve("refs/heads/a")); // still unknown


    try {

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