| | |
|---|
| | | }
|
|---|
| | |
|
|---|
| | | /**
|
|---|
| | | * Returns the target of the symbolic HEAD reference for a repository.
|
|---|
| | | * Normally returns a branch reference name, but when HEAD is detached,
|
|---|
| | | * the commit is matched against the known tags. The most recent matching
|
|---|
| | | * tag ref name will be returned if it references the HEAD commit. If
|
|---|
| | | * no match is found, the SHA1 is returned.
|
|---|
| | | *
|
|---|
| | | * @param repository
|
|---|
| | | * @return the ref name or the SHA1 for detached HEADs
|
|---|
| | | */
|
|---|
| | | public static String getSymbolicHeadTarget(Repository repository) {
|
|---|
| | | String target = null;
|
|---|
| | | try {
|
|---|
| | | target = repository.getFullBranch();
|
|---|
| | | if (!target.startsWith(Constants.R_HEADS)) {
|
|---|
| | | // refers to an actual commit, probably a tag
|
|---|
| | | // find latest tag that matches the commit, if any
|
|---|
| | | List<RefModel> tagModels = getTags(repository, true, -1);
|
|---|
| | | if (tagModels.size() > 0) {
|
|---|
| | | RefModel tag = null;
|
|---|
| | | Date lastDate = new Date(0);
|
|---|
| | | for (RefModel tagModel : tagModels) {
|
|---|
| | | if (tagModel.getReferencedObjectId().getName().equals(target) &&
|
|---|
| | | tagModel.getDate().after(lastDate)) {
|
|---|
| | | tag = tagModel;
|
|---|
| | | lastDate = tag.getDate();
|
|---|
| | | }
|
|---|
| | | }
|
|---|
| | | target = tag.getName();
|
|---|
| | | }
|
|---|
| | | }
|
|---|
| | | } catch (Throwable t) {
|
|---|
| | | error(t, repository, "{0} failed to get symbolic HEAD target");
|
|---|
| | | }
|
|---|
| | | return target;
|
|---|
| | | }
|
|---|
| | | |
|---|
| | | /**
|
|---|
| | | * Sets the HEAD symbolic ref name for a repository. The HEAD will
|
|---|
| | | * be detached if the name does not reference a branch.
|
|---|
| | | *
|
|---|
| | | * @param repository
|
|---|
| | | * @param name
|
|---|
| | | */
|
|---|
| | | public static void setSymbolicHeadTarget(Repository repository, String name) {
|
|---|
| | | try {
|
|---|
| | | boolean detach = !name.startsWith(Constants.R_HEADS); // detach if not a branch
|
|---|
| | | RefUpdate.Result result;
|
|---|
| | | RefUpdate head = repository.updateRef(Constants.HEAD, detach);
|
|---|
| | | if (detach) { // Tag
|
|---|
| | | RevCommit commit = getCommit(repository, name);
|
|---|
| | | head.setNewObjectId(commit.getId());
|
|---|
| | | result = head.forceUpdate();
|
|---|
| | | } else {
|
|---|
| | | result = head.link(name);
|
|---|
| | | }
|
|---|
| | | switch (result) {
|
|---|
| | | case NEW:
|
|---|
| | | case FORCED:
|
|---|
| | | case NO_CHANGE:
|
|---|
| | | case FAST_FORWARD:
|
|---|
| | | break;
|
|---|
| | | default:
|
|---|
| | | LOGGER.error(MessageFormat.format("{0} symbolic HEAD update to {1} returned result {2}",
|
|---|
| | | repository.getDirectory().getAbsolutePath(), name, result));
|
|---|
| | | }
|
|---|
| | | } catch (Throwable t) {
|
|---|
| | | error(t, repository, "{0} failed to set symbolic HEAD to {1}", name);
|
|---|
| | | }
|
|---|
| | | }
|
|---|
| | | |
|---|
| | | /**
|
|---|
| | | * Get the full branch and tag ref names for any potential symbolic head targets.
|
|---|
| | | *
|
|---|
| | | * @param repository
|
|---|
| | | * @return a list of ref names
|
|---|
| | | */
|
|---|
| | | public static List<String> getAvailableHeadTargets(Repository repository) {
|
|---|
| | | List<String> targets = new ArrayList<String>();
|
|---|
| | | List<RefModel> branchModels = JGitUtils.getLocalBranches(repository, true, -1);
|
|---|
| | | if (branchModels.size() > 0) {
|
|---|
| | | for (RefModel branchModel : branchModels) {
|
|---|
| | | targets.add(branchModel.getName());
|
|---|
| | | }
|
|---|
| | | }
|
|---|
| | | List<RefModel> tagModels = JGitUtils.getTags(repository, true, -1);
|
|---|
| | | if (tagModels.size() > 0) {
|
|---|
| | | for (RefModel tagModel : tagModels) {
|
|---|
| | | targets.add(tagModel.getName());
|
|---|
| | | }
|
|---|
| | | }
|
|---|
| | | return targets;
|
|---|
| | | }
|
|---|
| | |
|
|---|
| | | /**
|
|---|
| | | * Returns all refs grouped by their associated object id.
|
|---|
| | | *
|
|---|
| | | * @param repository
|
|---|
