feat: Add build_type to github_repository (pages)

github/resource_github_repository.go

@@ -247,7 +247,7 @@ func resourceGithubRepository() *schema.Resource {
 						"source": {
 							Type:        schema.TypeList,
 							MaxItems:    1,
-							Required:    true,
+							Optional:    true,
 							Description: "The source branch and directory for the rendered Pages site.",
 							Elem: &schema.Resource{
 								Schema: map[string]*schema.Schema{
@@ -265,6 +265,13 @@ func resourceGithubRepository() *schema.Resource {
 								},
 							},
 						},
+						"build_type": {
+							Type:         schema.TypeString,
+							Optional:     true,
+							Default:      "legacy",
+							Description:  "The type the page should be sourced.",
+							ValidateFunc: validateValueFunc([]string{"legacy", "workflow"}),
+						},
 						"cname": {
 							Type:        schema.TypeString,
 							Optional:    true,
@@ -860,6 +867,9 @@ func expandPagesUpdate(input []interface{}) *github.PagesUpdate {
 	}
 	update.Source = &github.PagesSource{Branch: &sourceBranch, Path: &sourcePath}
 
+	pagesBuildType := pages["build_type"].(string)
+	update.BuildType = &pagesBuildType
+
 	return update
 }
 
@@ -874,6 +884,7 @@ func flattenPages(pages *github.Pages) []interface{} {
 
 	pagesMap := make(map[string]interface{})
 	pagesMap["source"] = []interface{}{sourceMap}
+	pagesMap["build_type"] = pages.GetBuildType()
 	pagesMap["url"] = pages.GetURL()
 	pagesMap["status"] = pages.GetStatus()
 	pagesMap["cname"] = pages.GetCNAME()

github/resource_github_repository_test.go

@@ -765,7 +765,7 @@ func TestAccGithubRepositoryPages(t *testing.T) {
 
 	randomID := acctest.RandStringFromCharSet(5, acctest.CharSetAlphaNum)
 
-	t.Run("manages the pages feature for a repository", func(t *testing.T) {
+	t.Run("manages the legacy pages feature for a repository", func(t *testing.T) {
 
 		config := fmt.Sprintf(`
 			resource "github_repository" "test" {
@@ -813,6 +813,52 @@ func TestAccGithubRepositoryPages(t *testing.T) {
 
 	})
 
+	t.Run("manages the pages from workflow feature for a repository", func(t *testing.T) {
+
+		config := fmt.Sprintf(`
+			resource "github_repository" "test" {
+				name         = "tf-acc-%s"
+				auto_init    = true
+				pages {
+					build_type = "workflow"
+				}
+			}
+		`, randomID)
+
+		check := resource.ComposeTestCheckFunc(
+			resource.TestCheckResourceAttr(
+				"github_repository.test", "pages.0.source.0.branch",
+				"main",
+			),
+		)
+
+		testCase := func(t *testing.T, mode string) {
+			resource.Test(t, resource.TestCase{
+				PreCheck:  func() { skipUnlessMode(t, mode) },
+				Providers: testAccProviders,
+				Steps: []resource.TestStep{
+					{
+						Config: config,
+						Check:  check,
+					},
+				},
+			})
+		}
+
+		t.Run("with an anonymous account", func(t *testing.T) {
+			t.Skip("anonymous account not supported for this operation")
+		})
+
+		t.Run("with an individual account", func(t *testing.T) {
+			testCase(t, individual)
+		})
+
+		t.Run("with an organization account", func(t *testing.T) {
+			testCase(t, organization)
+		})
+
+	})
+
 }
 
 func TestAccGithubRepositorySecurity(t *testing.T) {

website/docs/r/repository.html.markdown

@@ -124,7 +124,9 @@ initial repository creation and create the target branch inside of the repositor
 
 The `pages` block supports the following:
 
-* `source` - (Required) The source branch and directory for the rendered Pages site. See [GitHub Pages Source](#github-pages-source) below for details.
+* `source` - (Optional) The source branch and directory for the rendered Pages site. See [GitHub Pages Source](#github-pages-source) below for details.
+
+* `build_type` - (Optional) The type of GitHub Pages site to build. Can be `legacy` or `workflow`.
 
 * `cname` - (Optional) The custom domain for the repository. This can only be set after the repository has been created.