Add visibility parameter to repository data source

Adds the additional visibility parameter allowing for enterprise
accounts to have set the repository to be only internally visible.

Resolves #304

github/data_source_github_repository.go

@@ -37,6 +37,10 @@ func dataSourceGithubRepository() *schema.Resource {
 				Type:     schema.TypeBool,
 				Computed: true,
 			},
+			"visibility": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
 			"has_issues": {
 				Type:     schema.TypeBool,
 				Computed: true,
@@ -143,6 +147,7 @@ func dataSourceGithubRepositoryRead(d *schema.ResourceData, meta interface{}) er
 	d.Set("description", repo.GetDescription())
 	d.Set("homepage_url", repo.GetHomepage())
 	d.Set("private", repo.GetPrivate())
+	d.Set("visibility", repo.GetVisibility())
 	d.Set("has_issues", repo.GetHasIssues())
 	d.Set("has_wiki", repo.GetHasWiki())
 	d.Set("allow_merge_commit", repo.GetAllowMergeCommit())

github/data_source_github_repository_test.go

@@ -77,6 +77,7 @@ func testRepoCheck() resource.TestCheckFunc {
 		resource.TestCheckResourceAttr("data.github_repository.test", "id", "test-repo"),
 		resource.TestCheckResourceAttr("data.github_repository.test", "name", "test-repo"),
 		resource.TestCheckResourceAttr("data.github_repository.test", "private", "false"),
+		resource.TestCheckResourceAttr("data.github_repository.test", "visibility", "public"),
 		resource.TestCheckResourceAttr("data.github_repository.test", "description", "Test description, used in GitHub Terraform provider acceptance test."),
 		resource.TestCheckResourceAttr("data.github_repository.test", "homepage_url", "http://www.example.com"),
 		resource.TestCheckResourceAttr("data.github_repository.test", "has_issues", "true"),

website/docs/d/repository.html.markdown

@@ -33,6 +33,8 @@ The following arguments are supported:
 
 * `private` - Whether the repository is private.
 
+* `visibility` - Whether the repository is public, private or internal.
+
 * `has_issues` - Whether the repository has GitHub Issues enabled.
 
 * `has_projects` - Whether the repository has the GitHub Projects enabled.