GitRepo: Remove provider default value from API

For backwards compatibility, remove the default value for GitRepository
provider. An empty provider value will still be considered as the
default provider.

Signed-off-by: Sunny <github@darkowlzz.space>
(cherry picked from commit db42b07914)

api/v1/gitrepository_types.go

@@ -91,7 +91,6 @@ type GitRepositorySpec struct {
 	// Provider used for authentication, can be 'azure', 'generic'.
 	// When not specified, defaults to 'generic'.
 	// +kubebuilder:validation:Enum=generic;azure
-	// +kubebuilder:default:=generic
 	// +optional
 	Provider string `json:"provider,omitempty"`
 
@@ -303,6 +302,14 @@ func (in *GitRepository) GetArtifact() *Artifact {
 	return in.Status.Artifact
 }
 
+// GetProvider returns the Git authentication provider.
+func (v *GitRepository) GetProvider() string {
+	if v.Spec.Provider == "" {
+		return GitProviderGeneric
+	}
+	return v.Spec.Provider
+}
+
 // GetMode returns the declared GitVerificationMode, or a ModeGitHEAD default.
 func (v *GitRepositoryVerification) GetMode() GitVerificationMode {
 	if v.Mode.Valid() {

config/crd/bases/source.toolkit.fluxcd.io_gitrepositories.yaml

@@ -104,7 +104,6 @@ spec:
                 pattern: ^([0-9]+(\.[0-9]+)?(ms|s|m|h))+$
                 type: string
               provider:
-                default: generic
                 description: |-
                   Provider used for authentication, can be 'azure', 'generic'.
                   When not specified, defaults to 'generic'.

internal/controller/gitrepository_controller.go

@@ -650,14 +650,12 @@ func (r *GitRepositoryReconciler) getAuthOpts(ctx context.Context, obj *sourcev1
 	}
 
 	// Configure provider authentication if specified in spec
-	if obj.Spec.Provider != "" && obj.Spec.Provider != sourcev1.GitProviderGeneric {
-		if obj.Spec.Provider == sourcev1.GitProviderAzure {
-			authOpts.ProviderOpts = &git.ProviderOptions{
-				Name: obj.Spec.Provider,
-				AzureOpts: []azure.OptFunc{
-					azure.WithAzureDevOpsScope(),
-				},
-			}
+	if obj.GetProvider() == sourcev1.GitProviderAzure {
+		authOpts.ProviderOpts = &git.ProviderOptions{
+			Name: obj.GetProvider(),
+			AzureOpts: []azure.OptFunc{
+				azure.WithAzureDevOpsScope(),
+			},
 		}
 	}