Function RepoNetwork

api/queries_repo.go:474–568

RepoNetwork inspects the relationship between multiple GitHub repositories

(client *Client, repos []ghrepo.Interface)

// RepoNetwork inspects the relationship between multiple GitHub repositories
func RepoNetwork(client *Client, repos []ghrepo.Interface) (RepoNetworkResult, error) {
	var hostname string
	if len(repos) > 0 {
		hostname = repos[0].RepoHost()
	}

	queries := make([]string, 0, len(repos))
	for i, repo := range repos {
		queries = append(queries, fmt.Sprintf(`
		repo_%03d: repository(owner: %q, name: %q) {
			...repo
			parent {
				...repo
			}
		}
		`, i, repo.RepoOwner(), repo.RepoName()))
	}

	// Since the query is constructed dynamically, we can't parse a response
	// format using a static struct. Instead, hold the raw JSON data until we
	// decide how to parse it manually.
	graphqlResult := make(map[string]*json.RawMessage)
	var result RepoNetworkResult

	err := client.GraphQL(hostname, fmt.Sprintf(`
	fragment repo on Repository {
		id
		name
		owner { login }
		viewerPermission
		defaultBranchRef {
			name
		}
		isPrivate
	}
	query RepositoryNetwork {
		viewer { login }
		%s
	}
	`, strings.Join(queries, "")), nil, &graphqlResult)
	var graphqlError GraphQLError
	if errors.As(err, &graphqlError) {
		// If the only errors are that certain repositories are not found,
		// continue processing this response instead of returning an error
		tolerated := true
		for _, ge := range graphqlError.Errors {
			if ge.Type != "NOT_FOUND" {
				tolerated = false
			}
		}
		if tolerated {
			err = nil
		}
	}
	if err != nil {
		return result, err
	}