Allow an empty array of repo ids as a request parameter (#3155)

Fixes: #3106.

github/apps.go

@@ -56,6 +56,20 @@ type InstallationTokenOptions struct {
 	Permissions *InstallationPermissions `json:"permissions,omitempty"`
 }
 
+type InstallationTokenListRepoOptions struct {
+	// The IDs of the repositories that the installation token can access.
+	// Providing repository IDs restricts the access of an installation token to specific repositories.
+	RepositoryIDs []int64 `json:"repository_ids"`
+
+	// The names of the repositories that the installation token can access.
+	// Providing repository names restricts the access of an installation token to specific repositories.
+	Repositories []string `json:"repositories,omitempty"`
+
+	// The permissions granted to the access token.
+	// The permissions object includes the permission names and their access type.
+	Permissions *InstallationPermissions `json:"permissions,omitempty"`
+}
+
 // InstallationPermissions lists the repository and organization permissions for an installation.
 //
 // Permission names taken from:
@@ -344,6 +358,30 @@ func (s *AppsService) CreateInstallationToken(ctx context.Context, id int64, opt
 	return t, resp, nil
 }
 
+// CreateInstallationTokenListRepos creates a new installation token with a list of all repositories in an installation which is not possible with CreateInstallationToken.
+//
+// It differs from CreateInstallationToken by taking InstallationTokenListRepoOptions as a parameter which does not omit RepositoryIDs if that field is nil or an empty array.
+//
+// GitHub API docs: https://docs.github.com/rest/apps/apps#create-an-installation-access-token-for-an-app
+//
+//meta:operation POST /app/installations/{installation_id}/access_tokens
+func (s *AppsService) CreateInstallationTokenListRepos(ctx context.Context, id int64, opts *InstallationTokenListRepoOptions) (*InstallationToken, *Response, error) {
+	u := fmt.Sprintf("app/installations/%v/access_tokens", id)
+
+	req, err := s.client.NewRequest("POST", u, opts)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	t := new(InstallationToken)
+	resp, err := s.client.Do(ctx, req, t)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return t, resp, nil
+}
+
 // CreateAttachment creates a new attachment on user comment containing a url.
 //
 // GitHub API docs: https://docs.github.com/[email protected]/rest/reference/apps#create-a-content-attachment

github/apps_test.go

@@ -469,6 +469,77 @@ func TestAppsService_CreateInstallationTokenWithOptions(t *testing.T) {
 	}
 }
 
+func TestAppsService_CreateInstallationTokenListReposWithOptions(t *testing.T) {
+	client, mux, _, teardown := setup()
+	defer teardown()
+
+	installationTokenListRepoOptions := &InstallationTokenListRepoOptions{
+		Repositories: []string{"foo"},
+		Permissions: &InstallationPermissions{
+			Contents: String("write"),
+			Issues:   String("read"),
+		},
+	}
+
+	mux.HandleFunc("/app/installations/1/access_tokens", func(w http.ResponseWriter, r *http.Request) {
+		v := new(InstallationTokenListRepoOptions)
+		assertNilError(t, json.NewDecoder(r.Body).Decode(v))
+
+		if !cmp.Equal(v, installationTokenListRepoOptions) {
+			t.Errorf("request sent %+v, want %+v", v, installationTokenListRepoOptions)
+		}
+
+		testMethod(t, r, "POST")
+		fmt.Fprint(w, `{"token":"t"}`)
+	})
+
+	ctx := context.Background()
+	token, _, err := client.Apps.CreateInstallationTokenListRepos(ctx, 1, installationTokenListRepoOptions)
+	if err != nil {
+		t.Errorf("Apps.CreateInstallationTokenListRepos returned error: %v", err)
+	}
+
+	want := &InstallationToken{Token: String("t")}
+	if !cmp.Equal(token, want) {
+		t.Errorf("Apps.CreateInstallationTokenListRepos returned %+v, want %+v", token, want)
+	}
+}
+
+func TestAppsService_CreateInstallationTokenListReposWithNoOptions(t *testing.T) {
+	client, mux, _, teardown := setup()
+	defer teardown()
+
+	mux.HandleFunc("/app/installations/1/access_tokens", func(w http.ResponseWriter, r *http.Request) {
+		testMethod(t, r, "POST")
+		fmt.Fprint(w, `{"token":"t"}`)
+	})
+
+	ctx := context.Background()
+	token, _, err := client.Apps.CreateInstallationTokenListRepos(ctx, 1, nil)
+	if err != nil {
+		t.Errorf("Apps.CreateInstallationTokenListRepos returned error: %v", err)
+	}
+
+	want := &InstallationToken{Token: String("t")}
+	if !cmp.Equal(token, want) {
+		t.Errorf("Apps.CreateInstallationTokenListRepos returned %+v, want %+v", token, want)
+	}
+
+	const methodName = "CreateInstallationTokenListRepos"
+	testBadOptions(t, methodName, func() (err error) {
+		_, _, err = client.Apps.CreateInstallationTokenListRepos(ctx, -1, nil)
+		return err
+	})
+
+	testNewRequestAndDoFailure(t, methodName, client, func() (*Response, error) {
+		got, resp, err := client.Apps.CreateInstallationTokenListRepos(ctx, 1, nil)
+		if got != nil {
+			t.Errorf("testNewRequestAndDoFailure %v = %#v, want nil", methodName, got)
+		}
+		return resp, err
+	})
+}
+
 func TestAppsService_CreateAttachement(t *testing.T) {
 	client, mux, _, teardown := setup()
 	defer teardown()