Examples of org.locationtech.geogig.api.Ref

org.locationtech.geogig.api.Ref
Pairing of a name and the {@link ObjectId} it currently has.
A ref in Git is (more or less) a variable that holds a single object identifier. The object identifier can be any valid Git object (blob, tree, commit, annotated tag, ...).
The ref name has the attributes of the ref that was asked for as well as the ref it was resolved to for symbolic refs plus the object id it points to and (for tags) the peeled target object id, i.e. the tag resolved recursively until a non-tag object is referenced.

    protected Optional<Ref> updateRemoteRef(String refspec, ObjectId commitId, boolean delete) {
        Optional<Ref> updatedRef = remoteGeoGig.command(UpdateRef.class).setName(refspec)
                .setNewValue(commitId).setDelete(delete).call();


        if (updatedRef.isPresent()) {
            final Ref remoteHead = headRef();
            if (remoteHead instanceof SymRef) {
                if (((SymRef) remoteHead).getTarget().equals(updatedRef.get().getName())) {
                    remoteGeoGig.command(UpdateSymRef.class).setName(Ref.HEAD)
                            .setNewValue(updatedRef.get().getName()).call();
                    RevCommit commit = remoteGeoGig.getRepository().getCommit(commitId);

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     * 
     * @param refString the string to parse
     * @return the parsed ref
     */
    public static Ref parseRef(String refString) {
        Ref ref = null;
        String[] tokens = refString.split(" ");
        if (tokens.length == 2) {
            // normal ref
            // NAME HASH
            String name = tokens[0];
            ObjectId objectId = ObjectId.valueOf(tokens[1]);
            ref = new Ref(name, objectId);
        } else {
            // symbolic ref
            // NAME TARGET HASH
            String name = tokens[0];
            String targetRef = tokens[1];
            ObjectId targetObjectId = ObjectId.valueOf(tokens[2]);
            Ref target = new Ref(targetRef, targetObjectId);
            ref = new SymRef(name, target);


        }
        return ref;
    }

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     * @return the updated ref
     */
    public static Optional<Ref> updateRemoteRef(URL repositoryURL, String refspec,
            ObjectId newValue, boolean delete) {
        HttpURLConnection connection = null;
        Ref updatedRef = null;
        try {
            String expanded;
            if (delete) {
                expanded = repositoryURL.toString() + "/updateref?name=" + refspec + "&delete=true";
            } else {
                expanded = repositoryURL.toString() + "/updateref?name=" + refspec + "&newValue="
                        + newValue.toString();
            }


            connection = connect(expanded);


            InputStream inputStream = HttpUtils.getResponseStream(connection);


            XMLStreamReader reader = XMLInputFactory.newFactory()
                    .createXMLStreamReader(inputStream);


            try {
                readToElementStart(reader, "ChangedRef");


                readToElementStart(reader, "name");
                final String refName = reader.getElementText();


                readToElementStart(reader, "objectId");
                final String objectId = reader.getElementText();


                readToElementStart(reader, "target");
                String target = null;
                if (reader.hasNext()) {
                    target = reader.getElementText();
                }
                reader.close();


                if (target != null) {
                    updatedRef = new SymRef(refName, new Ref(target, ObjectId.valueOf(objectId)));
                } else {
                    updatedRef = new Ref(refName, ObjectId.valueOf(objectId));
                }


            } finally {
                reader.close();
                inputStream.close();

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                        target = reader.getElementText();
                    }
                    reader.close();


                    if (target != null) {
                        remoteRef = Optional.of((Ref) new SymRef(refName, new Ref(target, ObjectId
                                .valueOf(objectId))));
                    } else {
                        remoteRef = Optional.of(new Ref(refName, ObjectId.valueOf(objectId)));
                    }
                }


            } finally {
                reader.close();

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                    boolean delete = false;
                    refsToPush.add(new TransferableRef(localRef, remoteRef, forceUpdate, delete));
                }
            } else {
                // push current branch
                Ref currentBranch = resolveHeadTarget();
                String localRef = currentBranch.getName();
                String remoteRef = null;
                boolean forceUpdate = false;
                boolean delete = false;
                refsToPush.add(new TransferableRef(localRef, remoteRef, forceUpdate, delete));
            }

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     * @return the remote's HEAD {@link Ref}.
     */
    @Override
    public Ref headRef() {
        HttpURLConnection connection = null;
        Ref headRef = null;
        try {
            String expanded = repositoryURL.toString() + "/repo/manifest";
            connection = HttpUtils.connect(expanded);


            // Get Response

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    @Test
    public void InvalidBranchNameTest() throws Exception {
        insertAndAdd(points1);
        geogig.command(AddOp.class).call();
        geogig.command(CommitOp.class).call();
        Ref testBranch = geogig.command(BranchCreateOp.class).setName("TestBranch").call();


        testBranch = geogig.command(UpdateRef.class).setName("TestBranch")
                .setNewValue(testBranch.getObjectId()).call().get();


        exception.expect(IllegalArgumentException.class);
        geogig.command(BranchDeleteOp.class).setName("TestBranch").call();
    }

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        insertAndAdd(points2);
        final RevCommit c2 = geogig.command(CommitOp.class).setMessage("commit for " + idP2).call();


        // checkout master, then create branch2 and checkout
        geogig.command(CheckoutOp.class).setSource("master").call();
        final Ref branch2 = geogig.command(BranchCreateOp.class).setAutoCheckout(true)
                .setName("branch2").call();
        insertAndAdd(points3);
        final RevCommit c3 = geogig.command(CommitOp.class).setMessage("commit for " + idP3).call();
        insertAndAdd(lines1);
        final RevCommit c4 = geogig.command(CommitOp.class).setMessage("commit for " + idL1).call();


        // Rebase branch2 onto branch1 to create the following revision graph
        // o
        // |
        // o - master - Points 1 added
        // |
        // o - branch1 - Points 2 added
        // |
        // o - Points 3 added
        // |
        // o - branch2 - HEAD - Lines 1 added


        Ref branch1 = geogig.command(RefParse.class).setName("branch1").call().get();
        geogig.command(RebaseOp.class).setUpstream(Suppliers.ofInstance(branch1.getObjectId()))
                .call();


        CheckoutResult result;
        result = geogig.command(CheckoutOp.class).setSource("branch1").call();
        assertEquals(c2.getTreeId(), result.getNewTree());
        assertTrue(geogig.command(RefParse.class).setName(Ref.HEAD).call().get() instanceof SymRef);
        assertEquals(branch1.getName(), ((SymRef) geogig.command(RefParse.class).setName(Ref.HEAD)
                .call().get()).getTarget());


        result = geogig.command(CheckoutOp.class).setSource("branch2").call();
        assertFalse(c4.getTreeId().equals(result.getNewTree()));
        assertTrue(geogig.command(RefParse.class).setName(Ref.HEAD).call().get() instanceof SymRef);

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        insertAndAdd(points2);
        final RevCommit c2 = geogig.command(CommitOp.class).setMessage("commit for " + idP2).call();


        // checkout master, then create branch2 and checkout
        geogig.command(CheckoutOp.class).setSource("master").call();
        final Ref branch2 = geogig.command(BranchCreateOp.class).setAutoCheckout(true)
                .setName("branch2").call();
        insertAndAdd(points3);
        final RevCommit c3 = geogig.command(CommitOp.class).setMessage("commit for " + idP3).call();
        insertAndAdd(lines1);
        final RevCommit c4 = geogig.command(CommitOp.class).setMessage("commit for " + idL1).call();


        Ref branch1 = geogig.command(RefParse.class).setName("branch1").call().get();
        geogig.command(RebaseOp.class).setUpstream(Suppliers.ofInstance(branch1.getObjectId()))
                .setSquashMessage("squashed commit").call();


        CheckoutResult result;
        result = geogig.command(CheckoutOp.class).setSource("branch1").call();
        assertEquals(c2.getTreeId(), result.getNewTree());
        assertTrue(geogig.command(RefParse.class).setName(Ref.HEAD).call().get() instanceof SymRef);
        assertEquals(branch1.getName(), ((SymRef) geogig.command(RefParse.class).setName(Ref.HEAD)
                .call().get()).getTarget());


        result = geogig.command(CheckoutOp.class).setSource("branch2").call();
        assertFalse(c4.getTreeId().equals(result.getNewTree()));
        assertTrue(geogig.command(RefParse.class).setName(Ref.HEAD).call().get() instanceof SymRef);

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        // |
        // o - master - Lines 2 added
        // |
        // o - branch 2 - HEAD - Lines 1 added


        Ref branch1 = geogig.command(RefParse.class).setName("branch1").call().get();
        Ref branch2 = geogig.command(RefParse.class).setName("branch2").call().get();
        Optional<Ref> master = geogig.command(RefParse.class).setName("master").call();


        geogig.command(RebaseOp.class).setUpstream(Suppliers.ofInstance(branch1.getObjectId()))
                .setOnto(Suppliers.ofInstance(master.get().getObjectId())).call();


        CheckoutResult result;
        result = geogig.command(CheckoutOp.class).setSource("branch1").call();
        assertEquals(c3.getTreeId(), result.getNewTree());
        assertTrue(geogig.command(RefParse.class).setName(Ref.HEAD).call().get() instanceof SymRef);
        assertEquals(branch1.getName(), ((SymRef) geogig.command(RefParse.class).setName(Ref.HEAD)
                .call().get()).getTarget());


        result = geogig.command(CheckoutOp.class).setSource("branch2").call();
        assertFalse(c4.getTreeId().equals(result.getNewTree()));
        assertTrue(geogig.command(RefParse.class).setName(Ref.HEAD).call().get() instanceof SymRef);
        assertEquals(branch2.getName(), ((SymRef) geogig.command(RefParse.class).setName(Ref.HEAD)
                .call().get()).getTarget());


        Iterator<RevCommit> log = geogig.command(LogOp.class).call();


        // Commit 3 -- Lines 1

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Related Classes of org.locationtech.geogig.api.Ref

org.locationtech.geogig.api.plumbing.ForEachRef

org.locationtech.geogig.api.plumbing.RefParse

org.locationtech.geogig.api.plumbing.TransactionEnd

org.locationtech.geogig.api.plumbing.UpdateSymRefTest

org.locationtech.geogig.api.porcelain.BranchDeleteOp

org.locationtech.geogig.api.porcelain.CheckoutOp

org.locationtech.geogig.api.porcelain.CommitOp

org.locationtech.geogig.api.porcelain.FetchOp

org.locationtech.geogig.api.porcelain.InitOpTest

org.locationtech.geogig.api.porcelain.MergeOp

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