Switch from govendor to go modules. (#587)

Thanks to @BenoitKnecht for leading the way on this.

vendor/github.com/google/go-github/github/search.go

@@ -8,6 +8,9 @@ package github
 import (
 	"context"
 	"fmt"
+	"net/url"
+	"strconv"
+	"strings"
 
 	qs "github.com/google/go-querystring/query"
 )
@@ -48,6 +51,12 @@ type SearchOptions struct {
 	ListOptions
 }
 
+// Common search parameters.
+type searchParameters struct {
+	Query        string
+	RepositoryID *int64 // Sent if non-nil.
+}
+
 // RepositoriesSearchResult represents the result of a repositories search.
 type RepositoriesSearchResult struct {
 	Total             *int         `json:"total_count,omitempty"`
@@ -60,7 +69,7 @@ type RepositoriesSearchResult struct {
 // GitHub API docs: https://developer.github.com/v3/search/#search-repositories
 func (s *SearchService) Repositories(ctx context.Context, query string, opt *SearchOptions) (*RepositoriesSearchResult, *Response, error) {
 	result := new(RepositoriesSearchResult)
-	resp, err := s.search(ctx, "repositories", query, opt, result)
+	resp, err := s.search(ctx, "repositories", &searchParameters{Query: query}, opt, result)
 	return result, resp, err
 }
 
@@ -91,7 +100,7 @@ type CommitResult struct {
 // GitHub API docs: https://developer.github.com/v3/search/#search-commits
 func (s *SearchService) Commits(ctx context.Context, query string, opt *SearchOptions) (*CommitsSearchResult, *Response, error) {
 	result := new(CommitsSearchResult)
-	resp, err := s.search(ctx, "commits", query, opt, result)
+	resp, err := s.search(ctx, "commits", &searchParameters{Query: query}, opt, result)
 	return result, resp, err
 }
 
@@ -107,7 +116,7 @@ type IssuesSearchResult struct {
 // GitHub API docs: https://developer.github.com/v3/search/#search-issues
 func (s *SearchService) Issues(ctx context.Context, query string, opt *SearchOptions) (*IssuesSearchResult, *Response, error) {
 	result := new(IssuesSearchResult)
-	resp, err := s.search(ctx, "issues", query, opt, result)
+	resp, err := s.search(ctx, "issues", &searchParameters{Query: query}, opt, result)
 	return result, resp, err
 }
 
@@ -123,7 +132,7 @@ type UsersSearchResult struct {
 // GitHub API docs: https://developer.github.com/v3/search/#search-users
 func (s *SearchService) Users(ctx context.Context, query string, opt *SearchOptions) (*UsersSearchResult, *Response, error) {
 	result := new(UsersSearchResult)
-	resp, err := s.search(ctx, "users", query, opt, result)
+	resp, err := s.search(ctx, "users", &searchParameters{Query: query}, opt, result)
 	return result, resp, err
 }
 
@@ -172,19 +181,57 @@ func (c CodeResult) String() string {
 // GitHub API docs: https://developer.github.com/v3/search/#search-code
 func (s *SearchService) Code(ctx context.Context, query string, opt *SearchOptions) (*CodeSearchResult, *Response, error) {
 	result := new(CodeSearchResult)
-	resp, err := s.search(ctx, "code", query, opt, result)
+	resp, err := s.search(ctx, "code", &searchParameters{Query: query}, opt, result)
+	return result, resp, err
+}
+
+// LabelsSearchResult represents the result of a code search.
+type LabelsSearchResult struct {
+	Total             *int           `json:"total_count,omitempty"`
+	IncompleteResults *bool          `json:"incomplete_results,omitempty"`
+	Labels            []*LabelResult `json:"items,omitempty"`
+}
+
+// LabelResult represents a single search result.
+type LabelResult struct {
+	ID          *int64   `json:"id,omitempty"`
+	URL         *string  `json:"url,omitempty"`
+	Name        *string  `json:"name,omitempty"`
+	Color       *string  `json:"color,omitempty"`
+	Default     *bool    `json:"default,omitempty"`
+	Description *string  `json:"description,omitempty"`
+	Score       *float64 `json:"score,omitempty"`
+}
+
+func (l LabelResult) String() string {
+	return Stringify(l)
+}
+
+// Labels searches labels in the repository with ID repoID via various criteria.
+//
+// GitHub API docs: https://developer.github.com/v3/search/#search-labels
+func (s *SearchService) Labels(ctx context.Context, repoID int64, query string, opt *SearchOptions) (*LabelsSearchResult, *Response, error) {
+	result := new(LabelsSearchResult)
+	resp, err := s.search(ctx, "labels", &searchParameters{RepositoryID: &repoID, Query: query}, opt, result)
 	return result, resp, err
 }
 
 // Helper function that executes search queries against different
-// GitHub search types (repositories, commits, code, issues, users)
-func (s *SearchService) search(ctx context.Context, searchType string, query string, opt *SearchOptions, result interface{}) (*Response, error) {
+// GitHub search types (repositories, commits, code, issues, users, labels)
+func (s *SearchService) search(ctx context.Context, searchType string, parameters *searchParameters, opt *SearchOptions, result interface{}) (*Response, error) {
 	params, err := qs.Values(opt)
 	if err != nil {
 		return nil, err
 	}
-	params.Set("q", query)
-	u := fmt.Sprintf("search/%s?%s", searchType, params.Encode())
+	q := strings.Replace(parameters.Query, " ", "+", -1)
+	if parameters.RepositoryID != nil {
+		params.Set("repository_id", strconv.FormatInt(*parameters.RepositoryID, 10))
+	}
+	query := "q=" + url.PathEscape(q)
+	if v := params.Encode(); v != "" {
+		query = query + "&" + v
+	}
+	u := fmt.Sprintf("search/%s?%s", searchType, query)
 
 	req, err := s.client.NewRequest("GET", u, nil)
 	if err != nil {
@@ -200,6 +247,10 @@ func (s *SearchService) search(ctx context.Context, searchType string, query str
 		// Accept header for search repositories based on topics preview endpoint
 		// TODO: remove custom Accept header when this API fully launches.
 		req.Header.Set("Accept", mediaTypeTopicsPreview)
+	case searchType == "labels":
+		// Accept header for search labels based on label description preview endpoint.
+		// TODO: remove custom Accept header when this API fully launches.
+		req.Header.Set("Accept", mediaTypeLabelDescriptionSearchPreview)
 	case opt != nil && opt.TextMatch:
 		// Accept header defaults to "application/vnd.github.v3+json"
 		// We change it here to fetch back text-match metadata