private boolean doDeleteRemote(@NotNull String branchName, @NotNull Collection<? extends GitRepository> repositories) {
    Couple<String> pair = splitNameOfRemoteBranch(branchName);
    String remoteName = pair.getFirst();
    String branch = pair.getSecond();

    GitCompoundResult result = new GitCompoundResult(myProject);
    for (GitRepository repository : repositories) {
      GitCommandResult res;
      GitRemote remote = getRemoteByName(repository, remoteName);
      if (remote == null) {
        LOG.error("Couldn't find remote by name: " + remoteName);
        res = GitCommandResult.error(GitBundle.message("delete.remote.branch.operation.couldn.t.find.remote.by.name", remoteName));
      }
      else {
        String fullBranchName = GitRefUtil.addRefsHeadsPrefixIfNeeded(branch);
        res = pushDeletion(repository, remote, fullBranchName);
        if (!res.success() && isAlreadyDeletedError(res.getErrorOutputAsJoinedString())) {
          res = myGit.remotePrune(repository, remote);
        }
      }
      result.append(repository, res);
      repository.update();
    }
    if (!result.totalSuccess()) {
      VcsNotifier.getInstance(myProject).notifyError(
        REMOTE_BRANCH_DELETION_ERROR, GitBundle.message("delete.remote.branch.operation.failed.to.delete.remote.branch", branchName),
        result.getErrorOutputWithReposIndication(),
        true);
    }
    return result.totalSuccess();
  }
private boolean doDeleteRemote(@NotNull String branchName, @NotNull Collection<? extends GitRepository> repositories)