func()

in internal/glrepo/resolver.go [162:249]

• 74 lines of code
• 18 McCabe index (conditional complexity)

func (r *ResolvedRemotes) HeadRepo(interactive bool) (Interface, error) {
	if r.baseOverride != nil {
		return r.baseOverride, nil
	}

	// if any of the remotes already has a resolution, respect that
	for _, r := range r.remotes {
		if r.Resolved == "head" {
			return r, nil
		} else if strings.HasPrefix(r.Resolved, "head:") {
			repo, err := FromFullName(strings.TrimPrefix(r.Resolved, "head:"))
			if err != nil {
				return nil, err
			}
			return NewWithHost(repo.RepoOwner(), repo.RepoName(), r.RepoHost()), nil
		}
	}

	// from here on, consult the API
	if r.network == nil {
		err := resolveNetwork(r)
		if err != nil {
			return nil, err
		}
		if len(r.network) == 0 {
			return nil, errors.New("no GitLab Projects found from remotes")
		}
	}

	var repoNames []string
	repoMap := map[string]*gitlab.Project{}
	add := func(r *gitlab.Project) {
		fn, _ := FullNameFromURL(r.HTTPURLToRepo)
		if _, ok := repoMap[fn]; !ok {
			repoMap[fn] = r
			repoNames = append(repoNames, fn)
		}
	}

	for i := range r.network {
		if r.network[i].ForkedFromProject != nil {
			fProject, _ := api.GetProject(r.apiClient, r.network[i].ForkedFromProject.PathWithNamespace)
			add(fProject)
		}
		add(&r.network[i])
	}

	headName := repoNames[0]
	if len(repoNames) > 1 {
		if !interactive {
			// We cannot prompt so get the first repo that is a fork
			for _, repo := range repoNames {
				if repoMap[repo].ForkedFromProject != nil {
					selectedRepoInfo, _ := FromFullName((repoMap[repo].HTTPURLToRepo))
					remote, _ := r.RemoteForRepo(selectedRepoInfo)
					return remote, nil
				}
			}
			// There are no forked repos so return the first repo
			return r.remotes[0], nil
		}

		err := prompt.Select(
			&headName,
			"head",
			"Which should be the head repository (where branches are pushed) for this directory?",
			repoNames,
		)
		if err != nil {
			return nil, err
		}
	}

	// determine corresponding git remote
	selectedRepo := repoMap[headName]
	selectedRepoInfo, _ := FromFullName(selectedRepo.HTTPURLToRepo)
	resolution := "head"
	remote, _ := r.RemoteForRepo(selectedRepoInfo)
	if remote == nil {
		remote = r.remotes[0]
		resolution, _ = FullNameFromURL(selectedRepo.HTTPURLToRepo)
		resolution = "head:" + resolution
	}

	// cache the result to git config
	err := git.SetRemoteResolution(remote.Name, resolution)
	return selectedRepoInfo, err
}