Revert "feat(internal/repometadata): assign Transport in FromLibrary (#4916)"

This reverts commit 15ad6c4.

Author: JoeWang1127

internal/librarian/java/repometadata.go

@@ -99,7 +99,6 @@ func deriveRepoMetadata(cfg *config.Config, library *config.Library, googleapisD
 		ProductDocumentation: sharedMetadata.ProductDocumentation,
 		APIDescription:       sharedMetadata.APIDescription,
 		ReleaseLevel:         sharedMetadata.ReleaseLevel,
-		Transport:            sharedMetadata.Transport,
 		Language:             config.LanguageJava,
 		Repo:                 sharedMetadata.Repo,
 		RepoShort:            fmt.Sprintf("%s-%s", config.LanguageJava, library.Name),
@@ -157,5 +156,11 @@ func deriveRepoMetadata(cfg *config.Config, library *config.Library, googleapisD
 		artifactID := parts[len(parts)-1]
 		metadata.ClientDocumentation = fmt.Sprintf("https://cloud.google.com/java/docs/reference/%s/latest/overview", artifactID)
 	}
+	// transport
+	apiCfg, err := serviceconfig.Find(googleapisDir, library.APIs[0].Path, config.LanguageJava)
+	if err != nil {
+		return nil, fmt.Errorf("failed to find api config: %w", err)
+	}
+	metadata.Transport = apiCfg.RepoMetadataTransport(config.LanguageJava)
 	return metadata, nil
 }

internal/librarian/rust/generate_test.go

@@ -710,7 +710,6 @@ func TestCreateRepoMetadata(t *testing.T) {
 				APIDescription:       "Stores sensitive data such as API keys, passwords, and certificates.\nProvides convenience while improving security.",
 				ReleaseLevel:         "stable",
 				LibraryType:          "GAPIC_AUTO",
-				Transport:            "grpc+rest",
 			},
 		},
 		{
@@ -738,7 +737,6 @@ func TestCreateRepoMetadata(t *testing.T) {
 				APIShortname:        "showcase",
 				ReleaseLevel:        "stable",
 				LibraryType:         "GAPIC_AUTO",
-				Transport:           "grpc+rest",
 			},
 		},
 	} {

internal/repometadata/repometadata.go

@@ -90,9 +90,6 @@ type RepoMetadata struct {
 
 	// Repo is the repository name (e.g., "googleapis/google-cloud-rust").
 	Repo string `json:"repo,omitempty"`
-
-	// Transport is the transport protocol
-	Transport string `json:"transport,omitempty"`
 }
 
 // FromLibrary creates a RepoMetadata from a specific library in a
@@ -109,7 +106,6 @@ type RepoMetadata struct {
 // - ProductDocumentation
 // - ReleaseLevel
 // - Repo
-// - Transport
 //
 // Any other fields required by the caller's language should be populated by the
 // caller before writing to disk.
@@ -146,7 +142,6 @@ func fromAPI(config *config.Config, api *serviceconfig.API, library *config.Libr
 		ProductDocumentation: extractBaseProductURL(api.DocumentationURI),
 		ReleaseLevel:         api.ReleaseLevel(config.Language),
 		Repo:                 config.Repo,
-		Transport:            api.RepoMetadataTransport(config.Language),
 	}
 }
 

internal/repometadata/repometadata_test.go

@@ -48,7 +48,6 @@ func TestFromLibrary(t *testing.T) {
 				APIID:                "secretmanager.googleapis.com",
 				APIShortname:         "secretmanager",
 				APIDescription:       "Stores sensitive data such as API keys, passwords, and certificates.\nProvides convenience while improving security.",
-				Transport:            "grpc+rest",
 			},
 		},
 		{
@@ -70,7 +69,6 @@ func TestFromLibrary(t *testing.T) {
 				APIID:                "secretmanager.googleapis.com",
 				APIShortname:         "secretmanager",
 				APIDescription:       "Stores, manages, and secures access to application secrets.",
-				Transport:            "grpc+rest",
 			},
 		},
 		{

internal/sample/repometadata.go

@@ -32,6 +32,5 @@ func RepoMetadata() *repometadata.RepoMetadata {
 		NamePretty:           "Secret Manager",
 		ProductDocumentation: "https://cloud.google.com/secret-manager/",
 		ReleaseLevel:         "stable",
-		Transport:            "grpc+rest",
 	}
 }