improve flag descriptions to show allowed values instead of internal type names

Signed-off-by: h3nryc0ding <hr.richterhenry@gmail.com>

internal/flags/crds.go

@@ -52,7 +52,7 @@ func (a *CRDsPolicy) Set(str string) error {
 }
 
 func (a *CRDsPolicy) Type() string {
-	return "crds"
+	return strings.Join(supportedCRDsPolicies, "|")
 }
 
 func (a *CRDsPolicy) Description() string {

internal/flags/decryption_provider.go

@@ -46,7 +46,7 @@ func (d *DecryptionProvider) Set(str string) error {
 }
 
 func (d *DecryptionProvider) Type() string {
-	return "decryptionProvider"
+	return strings.Join(supportedDecryptionProviders, "|")
 }
 
 func (d *DecryptionProvider) Description() string {

internal/flags/ecdsa_curve.go

@@ -49,7 +49,7 @@ func (c *ECDSACurve) Set(str string) error {
 }
 
 func (c *ECDSACurve) Type() string {
-	return "ecdsaCurve"
+	return strings.Join(ecdsaCurves(), "|")
 }
 
 func (c *ECDSACurve) Description() string {

internal/flags/gitlab_visibility.go

@@ -58,7 +58,11 @@ func (d *GitLabVisibility) Set(str string) error {
 }
 
 func (d *GitLabVisibility) Type() string {
-	return "gitLabVisibility"
+	visibilities := make([]string, 0, len(supportedGitLabVisibilities))
+	for visibility := range supportedGitLabVisibilities {
+		visibilities = append(visibilities, string(visibility))
+	}
+	return strings.Join(visibilities, "|")
 }
 
 func (d *GitLabVisibility) Description() string {

internal/flags/helm_chart_source.go

@@ -64,7 +64,7 @@ func (s *HelmChartSource) Set(str string) error {
 }
 
 func (s *HelmChartSource) Type() string {
-	return "helmChartSource"
+	return strings.Join(supportedHelmChartSourceKinds, "|")
 }
 
 func (s *HelmChartSource) Description() string {

internal/flags/kustomization_source.go

@@ -71,7 +71,7 @@ func (s *KustomizationSource) Set(str string) error {
 }
 
 func (s *KustomizationSource) Type() string {
-	return "kustomizationSource"
+	return strings.Join(supportedKustomizationSourceKinds, "|")
 }
 
 func (s *KustomizationSource) Description() string {

internal/flags/local_helm_chart_source.go

@@ -58,7 +58,7 @@ func (s *LocalHelmChartSource) Set(str string) error {
 }
 
 func (s *LocalHelmChartSource) Type() string {
-	return "helmChartSource"
+	return strings.Join(supportedHelmChartSourceKinds, "|")
 }
 
 func (s *LocalHelmChartSource) Description() string {

internal/flags/log_level.go

@@ -46,7 +46,7 @@ func (l *LogLevel) Set(str string) error {
 }
 
 func (l *LogLevel) Type() string {
-	return "logLevel"
+	return strings.Join(supportedLogLevels, "|")
 }
 
 func (l *LogLevel) Description() string {

internal/flags/public_key_algorithm.go

@@ -45,7 +45,7 @@ func (a *PublicKeyAlgorithm) Set(str string) error {
 }
 
 func (a *PublicKeyAlgorithm) Type() string {
-	return "publicKeyAlgorithm"
+	return strings.Join(supportedPublicKeyAlgorithms, "|")
 }
 
 func (a *PublicKeyAlgorithm) Description() string {

internal/flags/source_bucket_provider.go

@@ -52,7 +52,7 @@ func (p *SourceBucketProvider) Set(str string) error {
 }
 
 func (p *SourceBucketProvider) Type() string {
-	return "sourceBucketProvider"
+	return strings.Join(supportedSourceBucketProviders, "|")
 }
 
 func (p *SourceBucketProvider) Description() string {

internal/flags/source_oci_provider.go

@@ -59,7 +59,7 @@ func (p *SourceOCIProvider) Set(str string) error {
 }
 
 func (p *SourceOCIProvider) Type() string {
-	return "sourceOCIProvider"
+	return strings.Join(supportedSourceOCIProviders, "|")
 }
 
 func (p *SourceOCIProvider) Description() string {

internal/flags/source_oci_verify_provider.go

@@ -47,7 +47,7 @@ func (p *SourceOCIVerifyProvider) Set(str string) error {
 }
 
 func (p *SourceOCIVerifyProvider) Type() string {
-	return "sourceOCIVerifyProvider"
+	return strings.Join(supportedSourceOCIVerifyProviders, "|")
 }
 
 func (p *SourceOCIVerifyProvider) Description() string {