/// <summary>Execute the SubmoduleUpdateCommand command.</summary> /// <remarks>Execute the SubmoduleUpdateCommand command.</remarks> /// <returns>a collection of updated submodule paths</returns> /// <exception cref="NGit.Api.Errors.ConcurrentRefUpdateException">NGit.Api.Errors.ConcurrentRefUpdateException /// </exception> /// <exception cref="NGit.Api.Errors.CheckoutConflictException">NGit.Api.Errors.CheckoutConflictException /// </exception> /// <exception cref="NGit.Api.Errors.InvalidMergeHeadsException">NGit.Api.Errors.InvalidMergeHeadsException /// </exception> /// <exception cref="NGit.Api.Errors.InvalidConfigurationException">NGit.Api.Errors.InvalidConfigurationException /// </exception> /// <exception cref="NGit.Api.Errors.NoHeadException">NGit.Api.Errors.NoHeadException /// </exception> /// <exception cref="NGit.Api.Errors.NoMessageException">NGit.Api.Errors.NoMessageException /// </exception> /// <exception cref="NGit.Api.Errors.RefNotFoundException">NGit.Api.Errors.RefNotFoundException /// </exception> /// <exception cref="NGit.Api.Errors.WrongRepositoryStateException">NGit.Api.Errors.WrongRepositoryStateException /// </exception> /// <exception cref="NGit.Api.Errors.GitAPIException">NGit.Api.Errors.GitAPIException /// </exception> public override ICollection <string> Call() { CheckCallable(); try { SubmoduleWalk generator = SubmoduleWalk.ForIndex(repo); if (!paths.IsEmpty()) { generator.SetFilter(PathFilterGroup.CreateFromStrings(paths)); } IList <string> updated = new AList <string>(); while (generator.Next()) { // Skip submodules not registered in .gitmodules file if (generator.GetModulesPath() == null) { continue; } // Skip submodules not registered in parent repository's config string url = generator.GetConfigUrl(); if (url == null) { continue; } Repository submoduleRepo = generator.GetRepository(); // Clone repository is not present if (submoduleRepo == null) { CloneCommand clone = Git.CloneRepository(); Configure(clone); clone.SetURI(url); clone.SetDirectory(generator.GetDirectory()); if (monitor != null) { clone.SetProgressMonitor(monitor); } submoduleRepo = clone.Call().GetRepository(); } try { RevWalk walk = new RevWalk(submoduleRepo); RevCommit commit = walk.ParseCommit(generator.GetObjectId()); string update = generator.GetConfigUpdate(); if (ConfigConstants.CONFIG_KEY_MERGE.Equals(update)) { MergeCommand merge = new MergeCommand(submoduleRepo); merge.Include(commit); merge.Call(); } else { if (ConfigConstants.CONFIG_KEY_REBASE.Equals(update)) { RebaseCommand rebase = new RebaseCommand(submoduleRepo); rebase.SetUpstream(commit); rebase.Call(); } else { // Checkout commit referenced in parent repository's // index as a detached HEAD DirCacheCheckout co = new DirCacheCheckout(submoduleRepo, submoduleRepo.LockDirCache (), commit.Tree); co.SetFailOnConflict(true); co.Checkout(); RefUpdate refUpdate = submoduleRepo.UpdateRef(Constants.HEAD, true); refUpdate.SetNewObjectId(commit); refUpdate.ForceUpdate(); } } } finally { submoduleRepo.Close(); } updated.AddItem(generator.GetPath()); } return(updated); } catch (IOException e) { throw new JGitInternalException(e.Message, e); } catch (ConfigInvalidException e) { throw new InvalidConfigurationException(e.Message, e); } }