From de7e9ff61939dade9a675f9703e636c25de5c37b Mon Sep 17 00:00:00 2001
From: h3nryc0ding <hr.richterhenry@gmail.com>
Date: Sun, 10 Nov 2024 02:37:33 +0000
Subject: [PATCH 1/5] improve flag descriptions to show allowed values instead
 of internal type names

Signed-off-by: h3nryc0ding <hr.richterhenry@gmail.com>
---
 internal/flags/crds.go                       | 2 +-
 internal/flags/decryption_provider.go        | 2 +-
 internal/flags/ecdsa_curve.go                | 2 +-
 internal/flags/gitlab_visibility.go          | 6 +++++-
 internal/flags/helm_chart_source.go          | 2 +-
 internal/flags/kustomization_source.go       | 2 +-
 internal/flags/local_helm_chart_source.go    | 2 +-
 internal/flags/log_level.go                  | 2 +-
 internal/flags/public_key_algorithm.go       | 2 +-
 internal/flags/source_bucket_provider.go     | 2 +-
 internal/flags/source_oci_provider.go        | 2 +-
 internal/flags/source_oci_verify_provider.go | 2 +-
 12 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/internal/flags/crds.go b/internal/flags/crds.go
index 81f6d604..850688dd 100644
--- a/internal/flags/crds.go
+++ b/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 {
diff --git a/internal/flags/decryption_provider.go b/internal/flags/decryption_provider.go
index 085340ab..8ad3c302 100644
--- a/internal/flags/decryption_provider.go
+++ b/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 {
diff --git a/internal/flags/ecdsa_curve.go b/internal/flags/ecdsa_curve.go
index 9be8469b..2d9c3324 100644
--- a/internal/flags/ecdsa_curve.go
+++ b/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 {
diff --git a/internal/flags/gitlab_visibility.go b/internal/flags/gitlab_visibility.go
index 924dd898..ec0c2aec 100644
--- a/internal/flags/gitlab_visibility.go
+++ b/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 {
diff --git a/internal/flags/helm_chart_source.go b/internal/flags/helm_chart_source.go
index 079ca4d3..a2a925c7 100644
--- a/internal/flags/helm_chart_source.go
+++ b/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 {
diff --git a/internal/flags/kustomization_source.go b/internal/flags/kustomization_source.go
index 4dc124ab..88ecc3b0 100644
--- a/internal/flags/kustomization_source.go
+++ b/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 {
diff --git a/internal/flags/local_helm_chart_source.go b/internal/flags/local_helm_chart_source.go
index 19d2e530..bbb7a592 100644
--- a/internal/flags/local_helm_chart_source.go
+++ b/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 {
diff --git a/internal/flags/log_level.go b/internal/flags/log_level.go
index 4101a902..5b26d0c0 100644
--- a/internal/flags/log_level.go
+++ b/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 {
diff --git a/internal/flags/public_key_algorithm.go b/internal/flags/public_key_algorithm.go
index ed4902a7..325ff6b4 100644
--- a/internal/flags/public_key_algorithm.go
+++ b/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 {
diff --git a/internal/flags/source_bucket_provider.go b/internal/flags/source_bucket_provider.go
index bd93b41d..9c8aaa19 100644
--- a/internal/flags/source_bucket_provider.go
+++ b/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 {
diff --git a/internal/flags/source_oci_provider.go b/internal/flags/source_oci_provider.go
index 77ff0441..6624c0de 100644
--- a/internal/flags/source_oci_provider.go
+++ b/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 {
diff --git a/internal/flags/source_oci_verify_provider.go b/internal/flags/source_oci_verify_provider.go
index acd57a9d..57c8cdde 100644
--- a/internal/flags/source_oci_verify_provider.go
+++ b/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 {

From 64739b40196d9670c0b23c62fd10fc7e3fcd95c3 Mon Sep 17 00:00:00 2001
From: h3nryc0ding <hr.richterhenry@gmail.com>
Date: Sun, 10 Nov 2024 03:10:52 +0000
Subject: [PATCH 2/5] unify parsing errors

Signed-off-by: h3nryc0ding <hr.richterhenry@gmail.com>
---
 cmd/flux/create_helmrelease_test.go          | 2 +-
 cmd/flux/create_source_chart_test.go         | 2 +-
 cmd/flux/create_source_git_test.go           | 2 +-
 internal/flags/crds.go                       | 6 +++---
 internal/flags/decryption_provider.go        | 6 +++---
 internal/flags/ecdsa_curve.go                | 4 ++--
 internal/flags/gitlab_visibility.go          | 7 +++++--
 internal/flags/helm_chart_source.go          | 4 ++--
 internal/flags/kustomization_source.go       | 4 ++--
 internal/flags/local_helm_chart_source.go    | 4 ++--
 internal/flags/log_level.go                  | 6 +++---
 internal/flags/public_key_algorithm.go       | 6 +++---
 internal/flags/source_bucket_provider.go     | 4 ++--
 internal/flags/source_git_provider.go        | 5 ++++-
 internal/flags/source_oci_provider.go        | 4 ++--
 internal/flags/source_oci_verify_provider.go | 4 ++--
 16 files changed, 38 insertions(+), 32 deletions(-)

diff --git a/cmd/flux/create_helmrelease_test.go b/cmd/flux/create_helmrelease_test.go
index ffdef081..d5d76d36 100644
--- a/cmd/flux/create_helmrelease_test.go
+++ b/cmd/flux/create_helmrelease_test.go
@@ -45,7 +45,7 @@ func TestCreateHelmRelease(t *testing.T) {
 		{
 			name:   "unknown source kind",
 			args:   "create helmrelease podinfo --source foobar/podinfo --chart podinfo --export",
-			assert: assertError(`invalid argument "foobar/podinfo" for "--source" flag: source kind 'foobar' is not supported, must be one of: HelmRepository, GitRepository, Bucket`),
+			assert: assertError(`invalid argument "foobar/podinfo" for "--source" flag: source kind 'foobar' is not supported, must be one of: HelmRepository|GitRepository|Bucket`),
 		},
 		{
 			name:   "unknown chart reference kind",
diff --git a/cmd/flux/create_source_chart_test.go b/cmd/flux/create_source_chart_test.go
index 95667086..87d0e3fd 100644
--- a/cmd/flux/create_source_chart_test.go
+++ b/cmd/flux/create_source_chart_test.go
@@ -50,7 +50,7 @@ func TestCreateSourceChart(t *testing.T) {
 		{
 			name:   "unknown source kind",
 			args:   "create source chart podinfo --source foobar/podinfo --export",
-			assert: assertError(`invalid argument "foobar/podinfo" for "--source" flag: source kind 'foobar' is not supported, must be one of: HelmRepository, GitRepository, Bucket`),
+			assert: assertError(`invalid argument "foobar/podinfo" for "--source" flag: source kind 'foobar' is not supported, must be one of: HelmRepository|GitRepository|Bucket`),
 		},
 		{
 			name:   "basic chart",
diff --git a/cmd/flux/create_source_git_test.go b/cmd/flux/create_source_git_test.go
index d2ece636..7c1e40d4 100644
--- a/cmd/flux/create_source_git_test.go
+++ b/cmd/flux/create_source_git_test.go
@@ -152,7 +152,7 @@ func TestCreateSourceGitExport(t *testing.T) {
 		{
 			name:   "source with empty provider",
 			args:   "create source git podinfo --namespace=flux-system --url=https://dev.azure.com/foo/bar/_git/podinfo --provider \"\" --branch=test --interval=1m0s --export",
-			assert: assertError("invalid argument \"\" for \"--provider\" flag: no source Git provider given, please specify the Git provider name"),
+			assert: assertError("invalid argument \"\" for \"--provider\" flag: no source Git provider given, please specify the Git provider name, available options are: (generic|azure)"),
 		},
 		{
 			name:   "source with no provider",
diff --git a/internal/flags/crds.go b/internal/flags/crds.go
index 850688dd..e3664f8a 100644
--- a/internal/flags/crds.go
+++ b/internal/flags/crds.go
@@ -40,11 +40,11 @@ func (a *CRDsPolicy) String() string {
 func (a *CRDsPolicy) Set(str string) error {
 	if strings.TrimSpace(str) == "" {
 		return fmt.Errorf("no upgrade CRDs policy given, must be one of: %s",
-			strings.Join(supportedCRDsPolicies, ", "))
+			a.Type())
 	}
 	if !utils.ContainsItemString(supportedCRDsPolicies, str) {
 		return fmt.Errorf("unsupported upgrade CRDs policy '%s', must be one of: %s",
-			str, strings.Join(supportedCRDsPolicies, ", "))
+			str, a.Type())
 
 	}
 	*a = CRDsPolicy(str)
@@ -56,5 +56,5 @@ func (a *CRDsPolicy) Type() string {
 }
 
 func (a *CRDsPolicy) Description() string {
-	return fmt.Sprintf("upgrade CRDs policy, available options are: (%s)", strings.Join(supportedCRDsPolicies, ", "))
+	return fmt.Sprintf("upgrade CRDs policy, available options are: (%s)", a.Type())
 }
diff --git a/internal/flags/decryption_provider.go b/internal/flags/decryption_provider.go
index 8ad3c302..3f25d678 100644
--- a/internal/flags/decryption_provider.go
+++ b/internal/flags/decryption_provider.go
@@ -34,11 +34,11 @@ func (d *DecryptionProvider) String() string {
 func (d *DecryptionProvider) Set(str string) error {
 	if strings.TrimSpace(str) == "" {
 		return fmt.Errorf("no decryption provider given, must be one of: %s",
-			strings.Join(supportedDecryptionProviders, ", "))
+			d.Type())
 	}
 	if !utils.ContainsItemString(supportedDecryptionProviders, str) {
 		return fmt.Errorf("unsupported decryption provider '%s', must be one of: %s",
-			str, strings.Join(supportedDecryptionProviders, ", "))
+			str, d.Type())
 
 	}
 	*d = DecryptionProvider(str)
@@ -50,5 +50,5 @@ func (d *DecryptionProvider) Type() string {
 }
 
 func (d *DecryptionProvider) Description() string {
-	return fmt.Sprintf("decryption provider, available options are: (%s)", strings.Join(supportedDecryptionProviders, ", "))
+	return fmt.Sprintf("decryption provider, available options are: (%s)", d.Type())
 }
diff --git a/internal/flags/ecdsa_curve.go b/internal/flags/ecdsa_curve.go
index 2d9c3324..ee0157a6 100644
--- a/internal/flags/ecdsa_curve.go
+++ b/internal/flags/ecdsa_curve.go
@@ -45,7 +45,7 @@ func (c *ECDSACurve) Set(str string) error {
 		*c = ECDSACurve{v}
 		return nil
 	}
-	return fmt.Errorf("unsupported curve '%s', must be one of: %s", str, strings.Join(ecdsaCurves(), ", "))
+	return fmt.Errorf("unsupported curve '%s', must be one of: %s", str, c.Type())
 }
 
 func (c *ECDSACurve) Type() string {
@@ -53,7 +53,7 @@ func (c *ECDSACurve) Type() string {
 }
 
 func (c *ECDSACurve) Description() string {
-	return fmt.Sprintf("SSH ECDSA public key curve (%s)", strings.Join(ecdsaCurves(), ", "))
+	return fmt.Sprintf("SSH ECDSA public key curve, available options are: (%s)", c.Type())
 }
 
 func ecdsaCurves() []string {
diff --git a/internal/flags/gitlab_visibility.go b/internal/flags/gitlab_visibility.go
index ec0c2aec..249c0f20 100644
--- a/internal/flags/gitlab_visibility.go
+++ b/internal/flags/gitlab_visibility.go
@@ -51,7 +51,7 @@ func (d *GitLabVisibility) Set(str string) error {
 	}
 	var visibility = gitprovider.RepositoryVisibility(str)
 	if ValidateRepositoryVisibility(visibility) != nil {
-		return fmt.Errorf("unsupported visibility '%s'", str)
+		return fmt.Errorf("unsupported visibility '%s', must be one of: %s", str, d.Type())
 	}
 	*d = GitLabVisibility(visibility)
 	return nil
@@ -66,5 +66,8 @@ func (d *GitLabVisibility) Type() string {
 }
 
 func (d *GitLabVisibility) Description() string {
-	return fmt.Sprintf("specifies the visibility of the repository. Valid values are public, private, internal")
+	return fmt.Sprintf(
+		"specifies the visibility of the repository, available options are: (%s)",
+		d.Type(),
+	)
 }
diff --git a/internal/flags/helm_chart_source.go b/internal/flags/helm_chart_source.go
index a2a925c7..37f727f2 100644
--- a/internal/flags/helm_chart_source.go
+++ b/internal/flags/helm_chart_source.go
@@ -53,7 +53,7 @@ func (s *HelmChartSource) Set(str string) error {
 	cleanSourceKind, ok := utils.ContainsEqualFoldItemString(supportedHelmChartSourceKinds, sourceKind)
 	if !ok {
 		return fmt.Errorf("source kind '%s' is not supported, must be one of: %s",
-			sourceKind, strings.Join(supportedHelmChartSourceKinds, ", "))
+			sourceKind, s.Type())
 	}
 
 	s.Kind = cleanSourceKind
@@ -71,6 +71,6 @@ func (s *HelmChartSource) Description() string {
 	return fmt.Sprintf(
 		"source that contains the chart in the format '<kind>/<name>.<namespace>', "+
 			"where kind must be one of: (%s)",
-		strings.Join(supportedHelmChartSourceKinds, ", "),
+		s.Type(),
 	)
 }
diff --git a/internal/flags/kustomization_source.go b/internal/flags/kustomization_source.go
index 88ecc3b0..34c0798b 100644
--- a/internal/flags/kustomization_source.go
+++ b/internal/flags/kustomization_source.go
@@ -60,7 +60,7 @@ func (s *KustomizationSource) Set(str string) error {
 	cleanSourceKind, ok := utils.ContainsEqualFoldItemString(supportedKustomizationSourceKinds, sourceKind)
 	if !ok {
 		return fmt.Errorf("source kind '%s' is not supported, must be one of: %s",
-			sourceKind, strings.Join(supportedKustomizationSourceKinds, ", "))
+			sourceKind, s.Type())
 	}
 
 	s.Kind = cleanSourceKind
@@ -78,6 +78,6 @@ func (s *KustomizationSource) Description() string {
 	return fmt.Sprintf(
 		"source that contains the Kubernetes manifests in the format '[<kind>/]<name>.<namespace>', "+
 			"where kind must be one of: (%s), if kind is not specified it defaults to GitRepository",
-		strings.Join(supportedKustomizationSourceKinds, ", "),
+		s.Type(),
 	)
 }
diff --git a/internal/flags/local_helm_chart_source.go b/internal/flags/local_helm_chart_source.go
index bbb7a592..072edcc8 100644
--- a/internal/flags/local_helm_chart_source.go
+++ b/internal/flags/local_helm_chart_source.go
@@ -48,7 +48,7 @@ func (s *LocalHelmChartSource) Set(str string) error {
 	cleanSourceKind, ok := utils.ContainsEqualFoldItemString(supportedHelmChartSourceKinds, sourceKind)
 	if !ok {
 		return fmt.Errorf("source kind '%s' is not supported, must be one of: %s",
-			sourceKind, strings.Join(supportedHelmChartSourceKinds, ", "))
+			sourceKind, s.Type())
 	}
 
 	s.Kind = cleanSourceKind
@@ -65,6 +65,6 @@ func (s *LocalHelmChartSource) Description() string {
 	return fmt.Sprintf(
 		"source that contains the chart in the format '<kind>/<name>', "+
 			"where kind must be one of: (%s)",
-		strings.Join(supportedHelmChartSourceKinds, ", "),
+		s.Type(),
 	)
 }
diff --git a/internal/flags/log_level.go b/internal/flags/log_level.go
index 5b26d0c0..bd150bdf 100644
--- a/internal/flags/log_level.go
+++ b/internal/flags/log_level.go
@@ -34,11 +34,11 @@ func (l *LogLevel) String() string {
 func (l *LogLevel) Set(str string) error {
 	if strings.TrimSpace(str) == "" {
 		return fmt.Errorf("no log level given, must be one of: %s",
-			strings.Join(supportedLogLevels, ", "))
+			l.Type())
 	}
 	if !utils.ContainsItemString(supportedLogLevels, str) {
 		return fmt.Errorf("unsupported log level '%s', must be one of: %s",
-			str, strings.Join(supportedLogLevels, ", "))
+			str, l.Type())
 
 	}
 	*l = LogLevel(str)
@@ -50,5 +50,5 @@ func (l *LogLevel) Type() string {
 }
 
 func (l *LogLevel) Description() string {
-	return fmt.Sprintf("log level, available options are: (%s)", strings.Join(supportedLogLevels, ", "))
+	return fmt.Sprintf("log level, available options are: (%s)", l.Type())
 }
diff --git a/internal/flags/public_key_algorithm.go b/internal/flags/public_key_algorithm.go
index 325ff6b4..c0a57912 100644
--- a/internal/flags/public_key_algorithm.go
+++ b/internal/flags/public_key_algorithm.go
@@ -32,7 +32,7 @@ func (a *PublicKeyAlgorithm) String() string {
 func (a *PublicKeyAlgorithm) Set(str string) error {
 	if strings.TrimSpace(str) == "" {
 		return fmt.Errorf("no public key algorithm given, must be one of: %s",
-			strings.Join(supportedPublicKeyAlgorithms, ", "))
+			a.Type())
 	}
 	for _, v := range supportedPublicKeyAlgorithms {
 		if str == v {
@@ -41,7 +41,7 @@ func (a *PublicKeyAlgorithm) Set(str string) error {
 		}
 	}
 	return fmt.Errorf("unsupported public key algorithm '%s', must be one of: %s",
-		str, strings.Join(supportedPublicKeyAlgorithms, ", "))
+		str, a.Type())
 }
 
 func (a *PublicKeyAlgorithm) Type() string {
@@ -49,5 +49,5 @@ func (a *PublicKeyAlgorithm) Type() string {
 }
 
 func (a *PublicKeyAlgorithm) Description() string {
-	return fmt.Sprintf("SSH public key algorithm (%s)", strings.Join(supportedPublicKeyAlgorithms, ", "))
+	return fmt.Sprintf("SSH public key algorithm, available options are: (%s)", a.Type())
 }
diff --git a/internal/flags/source_bucket_provider.go b/internal/flags/source_bucket_provider.go
index 9c8aaa19..3408a648 100644
--- a/internal/flags/source_bucket_provider.go
+++ b/internal/flags/source_bucket_provider.go
@@ -45,7 +45,7 @@ func (p *SourceBucketProvider) Set(str string) error {
 	}
 	if !utils.ContainsItemString(supportedSourceBucketProviders, str) {
 		return fmt.Errorf("source bucket provider '%s' is not supported, must be one of: %v",
-			str, strings.Join(supportedSourceBucketProviders, ", "))
+			str, p.Type())
 	}
 	*p = SourceBucketProvider(str)
 	return nil
@@ -58,6 +58,6 @@ func (p *SourceBucketProvider) Type() string {
 func (p *SourceBucketProvider) Description() string {
 	return fmt.Sprintf(
 		"the S3 compatible storage provider name, available options are: (%s)",
-		strings.Join(supportedSourceBucketProviders, ", "),
+		p.Type(),
 	)
 }
diff --git a/internal/flags/source_git_provider.go b/internal/flags/source_git_provider.go
index 63cec33e..74da3c30 100644
--- a/internal/flags/source_git_provider.go
+++ b/internal/flags/source_git_provider.go
@@ -53,5 +53,8 @@ func (p *SourceGitProvider) Type() string {
 }
 
 func (p *SourceGitProvider) Description() string {
-	return "the Git provider name"
+	return fmt.Sprintf(
+		"the Git provider name, available options are: (%s)",
+		p.Type(),
+	)
 }
diff --git a/internal/flags/source_oci_provider.go b/internal/flags/source_oci_provider.go
index 6624c0de..339000a0 100644
--- a/internal/flags/source_oci_provider.go
+++ b/internal/flags/source_oci_provider.go
@@ -52,7 +52,7 @@ func (p *SourceOCIProvider) Set(str string) error {
 	}
 	if !utils.ContainsItemString(supportedSourceOCIProviders, str) {
 		return fmt.Errorf("source OCI provider '%s' is not supported, must be one of: %v",
-			str, strings.Join(supportedSourceOCIProviders, ", "))
+			str, p.Type())
 	}
 	*p = SourceOCIProvider(str)
 	return nil
@@ -65,7 +65,7 @@ func (p *SourceOCIProvider) Type() string {
 func (p *SourceOCIProvider) Description() string {
 	return fmt.Sprintf(
 		"the OCI provider name, available options are: (%s)",
-		strings.Join(supportedSourceOCIProviders, ", "),
+		p.Type(),
 	)
 }
 
diff --git a/internal/flags/source_oci_verify_provider.go b/internal/flags/source_oci_verify_provider.go
index 57c8cdde..52f5ccdc 100644
--- a/internal/flags/source_oci_verify_provider.go
+++ b/internal/flags/source_oci_verify_provider.go
@@ -40,7 +40,7 @@ func (p *SourceOCIVerifyProvider) Set(str string) error {
 	}
 	if !utils.ContainsItemString(supportedSourceOCIVerifyProviders, str) {
 		return fmt.Errorf("source OCI verify provider '%s' is not supported, must be one of: %v",
-			str, strings.Join(supportedSourceOCIVerifyProviders, ", "))
+			str, p.Type())
 	}
 	*p = SourceOCIVerifyProvider(str)
 	return nil
@@ -53,6 +53,6 @@ func (p *SourceOCIVerifyProvider) Type() string {
 func (p *SourceOCIVerifyProvider) Description() string {
 	return fmt.Sprintf(
 		"the OCI verify provider name to use for signature verification, available options are: (%s)",
-		strings.Join(supportedSourceOCIVerifyProviders, ", "),
+		p.Type(),
 	)
 }

From 4404634331a0fbe0e9f2da8ec0a982eb9ab046fb Mon Sep 17 00:00:00 2001
From: h3nryc0ding <hr.richterhenry@gmail.com>
Date: Wed, 13 Nov 2024 00:32:21 +0000
Subject: [PATCH 3/5] remove duplicated available options from description

Signed-off-by: h3nryc0ding <hr.richterhenry@gmail.com>
---
 cmd/flux/create_source_git_test.go           |  2 +-
 internal/flags/crds.go                       |  2 +-
 internal/flags/decryption_provider.go        |  2 +-
 internal/flags/ecdsa_curve.go                |  2 +-
 internal/flags/gitlab_visibility.go          | 19 +++++++++++--------
 internal/flags/helm_chart_source.go          |  6 +-----
 internal/flags/kustomization_source.go       |  6 +-----
 internal/flags/local_helm_chart_source.go    |  6 +-----
 internal/flags/log_level.go                  |  2 +-
 internal/flags/public_key_algorithm.go       |  2 +-
 internal/flags/rsa_key_bits.go               |  2 +-
 internal/flags/source_bucket_provider.go     |  5 +----
 internal/flags/source_git_provider.go        |  9 +++------
 internal/flags/source_oci_provider.go        |  5 +----
 internal/flags/source_oci_verify_provider.go |  5 +----
 15 files changed, 27 insertions(+), 48 deletions(-)

diff --git a/cmd/flux/create_source_git_test.go b/cmd/flux/create_source_git_test.go
index 7c1e40d4..a652429c 100644
--- a/cmd/flux/create_source_git_test.go
+++ b/cmd/flux/create_source_git_test.go
@@ -152,7 +152,7 @@ func TestCreateSourceGitExport(t *testing.T) {
 		{
 			name:   "source with empty provider",
 			args:   "create source git podinfo --namespace=flux-system --url=https://dev.azure.com/foo/bar/_git/podinfo --provider \"\" --branch=test --interval=1m0s --export",
-			assert: assertError("invalid argument \"\" for \"--provider\" flag: no source Git provider given, please specify the Git provider name, available options are: (generic|azure)"),
+			assert: assertError("invalid argument \"\" for \"--provider\" flag: no source Git provider given, must be one of: generic|azure"),
 		},
 		{
 			name:   "source with no provider",
diff --git a/internal/flags/crds.go b/internal/flags/crds.go
index e3664f8a..22f1c877 100644
--- a/internal/flags/crds.go
+++ b/internal/flags/crds.go
@@ -56,5 +56,5 @@ func (a *CRDsPolicy) Type() string {
 }
 
 func (a *CRDsPolicy) Description() string {
-	return fmt.Sprintf("upgrade CRDs policy, available options are: (%s)", a.Type())
+	return "upgrade CRDs policy"
 }
diff --git a/internal/flags/decryption_provider.go b/internal/flags/decryption_provider.go
index 3f25d678..c92c2d46 100644
--- a/internal/flags/decryption_provider.go
+++ b/internal/flags/decryption_provider.go
@@ -50,5 +50,5 @@ func (d *DecryptionProvider) Type() string {
 }
 
 func (d *DecryptionProvider) Description() string {
-	return fmt.Sprintf("decryption provider, available options are: (%s)", d.Type())
+	return "decryption provider"
 }
diff --git a/internal/flags/ecdsa_curve.go b/internal/flags/ecdsa_curve.go
index ee0157a6..f38e53f2 100644
--- a/internal/flags/ecdsa_curve.go
+++ b/internal/flags/ecdsa_curve.go
@@ -53,7 +53,7 @@ func (c *ECDSACurve) Type() string {
 }
 
 func (c *ECDSACurve) Description() string {
-	return fmt.Sprintf("SSH ECDSA public key curve, available options are: (%s)", c.Type())
+	return "SSH ECDSA public key curve"
 }
 
 func ecdsaCurves() []string {
diff --git a/internal/flags/gitlab_visibility.go b/internal/flags/gitlab_visibility.go
index 249c0f20..e2b52698 100644
--- a/internal/flags/gitlab_visibility.go
+++ b/internal/flags/gitlab_visibility.go
@@ -18,6 +18,7 @@ package flags
 
 import (
 	"fmt"
+	"sort"
 	"strings"
 
 	"github.com/fluxcd/go-git-providers/gitprovider"
@@ -58,16 +59,18 @@ func (d *GitLabVisibility) Set(str string) error {
 }
 
 func (d *GitLabVisibility) Type() string {
+	return strings.Join(gitLabVisibilities(), "|")
+}
+
+func (d *GitLabVisibility) Description() string {
+	return "specifies the visibility of the repository"
+}
+
+func gitLabVisibilities() []string {
 	visibilities := make([]string, 0, len(supportedGitLabVisibilities))
 	for visibility := range supportedGitLabVisibilities {
 		visibilities = append(visibilities, string(visibility))
 	}
-	return strings.Join(visibilities, "|")
-}
-
-func (d *GitLabVisibility) Description() string {
-	return fmt.Sprintf(
-		"specifies the visibility of the repository, available options are: (%s)",
-		d.Type(),
-	)
+	sort.Strings(visibilities)
+	return visibilities
 }
diff --git a/internal/flags/helm_chart_source.go b/internal/flags/helm_chart_source.go
index 37f727f2..246decee 100644
--- a/internal/flags/helm_chart_source.go
+++ b/internal/flags/helm_chart_source.go
@@ -68,9 +68,5 @@ func (s *HelmChartSource) Type() string {
 }
 
 func (s *HelmChartSource) Description() string {
-	return fmt.Sprintf(
-		"source that contains the chart in the format '<kind>/<name>.<namespace>', "+
-			"where kind must be one of: (%s)",
-		s.Type(),
-	)
+	return "source that contains the chart in the format '<kind>/<name>.<namespace>'"
 }
diff --git a/internal/flags/kustomization_source.go b/internal/flags/kustomization_source.go
index 34c0798b..408371ab 100644
--- a/internal/flags/kustomization_source.go
+++ b/internal/flags/kustomization_source.go
@@ -75,9 +75,5 @@ func (s *KustomizationSource) Type() string {
 }
 
 func (s *KustomizationSource) Description() string {
-	return fmt.Sprintf(
-		"source that contains the Kubernetes manifests in the format '[<kind>/]<name>.<namespace>', "+
-			"where kind must be one of: (%s), if kind is not specified it defaults to GitRepository",
-		s.Type(),
-	)
+	return "source that contains the Kubernetes manifests in the format '[<kind>/]<name>.<namespace>', if kind is not specified it defaults to GitRepository"
 }
diff --git a/internal/flags/local_helm_chart_source.go b/internal/flags/local_helm_chart_source.go
index 072edcc8..cdf7e689 100644
--- a/internal/flags/local_helm_chart_source.go
+++ b/internal/flags/local_helm_chart_source.go
@@ -62,9 +62,5 @@ func (s *LocalHelmChartSource) Type() string {
 }
 
 func (s *LocalHelmChartSource) Description() string {
-	return fmt.Sprintf(
-		"source that contains the chart in the format '<kind>/<name>', "+
-			"where kind must be one of: (%s)",
-		s.Type(),
-	)
+	return "source that contains the chart in the format '<kind>/<name>'"
 }
diff --git a/internal/flags/log_level.go b/internal/flags/log_level.go
index bd150bdf..6464e196 100644
--- a/internal/flags/log_level.go
+++ b/internal/flags/log_level.go
@@ -50,5 +50,5 @@ func (l *LogLevel) Type() string {
 }
 
 func (l *LogLevel) Description() string {
-	return fmt.Sprintf("log level, available options are: (%s)", l.Type())
+	return "log level"
 }
diff --git a/internal/flags/public_key_algorithm.go b/internal/flags/public_key_algorithm.go
index c0a57912..1bdb7023 100644
--- a/internal/flags/public_key_algorithm.go
+++ b/internal/flags/public_key_algorithm.go
@@ -49,5 +49,5 @@ func (a *PublicKeyAlgorithm) Type() string {
 }
 
 func (a *PublicKeyAlgorithm) Description() string {
-	return fmt.Sprintf("SSH public key algorithm, available options are: (%s)", a.Type())
+	return "SSH public key algorithm"
 }
diff --git a/internal/flags/rsa_key_bits.go b/internal/flags/rsa_key_bits.go
index 716a4617..d8ec7d98 100644
--- a/internal/flags/rsa_key_bits.go
+++ b/internal/flags/rsa_key_bits.go
@@ -50,7 +50,7 @@ func (b *RSAKeyBits) Set(str string) error {
 }
 
 func (b *RSAKeyBits) Type() string {
-	return "rsaKeyBits"
+	return "int"
 }
 
 func (b *RSAKeyBits) Description() string {
diff --git a/internal/flags/source_bucket_provider.go b/internal/flags/source_bucket_provider.go
index 3408a648..e83c3835 100644
--- a/internal/flags/source_bucket_provider.go
+++ b/internal/flags/source_bucket_provider.go
@@ -56,8 +56,5 @@ func (p *SourceBucketProvider) Type() string {
 }
 
 func (p *SourceBucketProvider) Description() string {
-	return fmt.Sprintf(
-		"the S3 compatible storage provider name, available options are: (%s)",
-		p.Type(),
-	)
+	return "the S3 compatible storage provider name"
 }
diff --git a/internal/flags/source_git_provider.go b/internal/flags/source_git_provider.go
index 74da3c30..144b7865 100644
--- a/internal/flags/source_git_provider.go
+++ b/internal/flags/source_git_provider.go
@@ -37,8 +37,8 @@ func (p *SourceGitProvider) String() string {
 
 func (p *SourceGitProvider) Set(str string) error {
 	if strings.TrimSpace(str) == "" {
-		return fmt.Errorf("no source Git provider given, please specify %s",
-			p.Description())
+		return fmt.Errorf("no source Git provider given, must be one of: %s",
+			p.Type())
 	}
 	if !utils.ContainsItemString(supportedSourceGitProviders, str) {
 		return fmt.Errorf("source Git provider '%s' is not supported, must be one of: %v",
@@ -53,8 +53,5 @@ func (p *SourceGitProvider) Type() string {
 }
 
 func (p *SourceGitProvider) Description() string {
-	return fmt.Sprintf(
-		"the Git provider name, available options are: (%s)",
-		p.Type(),
-	)
+	return "the Git provider name"
 }
diff --git a/internal/flags/source_oci_provider.go b/internal/flags/source_oci_provider.go
index 339000a0..a21c337a 100644
--- a/internal/flags/source_oci_provider.go
+++ b/internal/flags/source_oci_provider.go
@@ -63,10 +63,7 @@ func (p *SourceOCIProvider) Type() string {
 }
 
 func (p *SourceOCIProvider) Description() string {
-	return fmt.Sprintf(
-		"the OCI provider name, available options are: (%s)",
-		p.Type(),
-	)
+	return "the OCI provider name"
 }
 
 func (p *SourceOCIProvider) ToOCIProvider() (oci.Provider, error) {
diff --git a/internal/flags/source_oci_verify_provider.go b/internal/flags/source_oci_verify_provider.go
index 52f5ccdc..b2fdaba4 100644
--- a/internal/flags/source_oci_verify_provider.go
+++ b/internal/flags/source_oci_verify_provider.go
@@ -51,8 +51,5 @@ func (p *SourceOCIVerifyProvider) Type() string {
 }
 
 func (p *SourceOCIVerifyProvider) Description() string {
-	return fmt.Sprintf(
-		"the OCI verify provider name to use for signature verification, available options are: (%s)",
-		p.Type(),
-	)
+	return "the OCI verify provider name to use for signature verification"
 }

From 8093ad7fefd07c73e4f1b3260cc56507f9f3876b Mon Sep 17 00:00:00 2001
From: h3nryc0ding <hr.richterhenry@gmail.com>
Date: Mon, 23 Dec 2024 23:13:17 +0100
Subject: [PATCH 4/5] implement recommended changes

Signed-off-by: h3nryc0ding <hr.richterhenry@gmail.com>
---
 internal/flags/helm_chart_source.go       | 5 +++--
 internal/flags/kustomization_source.go    | 5 +++--
 internal/flags/local_helm_chart_source.go | 5 +++--
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/internal/flags/helm_chart_source.go b/internal/flags/helm_chart_source.go
index 246decee..30f2e379 100644
--- a/internal/flags/helm_chart_source.go
+++ b/internal/flags/helm_chart_source.go
@@ -64,9 +64,10 @@ func (s *HelmChartSource) Set(str string) error {
 }
 
 func (s *HelmChartSource) Type() string {
-	return strings.Join(supportedHelmChartSourceKinds, "|")
+	return "<kind>/<name>.<namespace>"
 }
 
 func (s *HelmChartSource) Description() string {
-	return "source that contains the chart in the format '<kind>/<name>.<namespace>'"
+	return fmt.Sprintf("source that contains the chart, where kind must be one of: (%s)",
+		strings.Join(supportedHelmChartSourceKinds, ", "))
 }
diff --git a/internal/flags/kustomization_source.go b/internal/flags/kustomization_source.go
index 408371ab..cb65c64d 100644
--- a/internal/flags/kustomization_source.go
+++ b/internal/flags/kustomization_source.go
@@ -71,9 +71,10 @@ func (s *KustomizationSource) Set(str string) error {
 }
 
 func (s *KustomizationSource) Type() string {
-	return strings.Join(supportedKustomizationSourceKinds, "|")
+	return "[<kind>/]<name>.<namespace>"
 }
 
 func (s *KustomizationSource) Description() string {
-	return "source that contains the Kubernetes manifests in the format '[<kind>/]<name>.<namespace>', if kind is not specified it defaults to GitRepository"
+	return fmt.Sprintf("source that contains the Kubernetes manifests, where kind must be one of: (%s), if kind is not specified it defaults to %s",
+		strings.Join(supportedKustomizationSourceKinds, ", "), sourcev1.GitRepositoryKind)
 }
diff --git a/internal/flags/local_helm_chart_source.go b/internal/flags/local_helm_chart_source.go
index cdf7e689..a47221dd 100644
--- a/internal/flags/local_helm_chart_source.go
+++ b/internal/flags/local_helm_chart_source.go
@@ -58,9 +58,10 @@ func (s *LocalHelmChartSource) Set(str string) error {
 }
 
 func (s *LocalHelmChartSource) Type() string {
-	return strings.Join(supportedHelmChartSourceKinds, "|")
+	return "<kind>/<name>"
 }
 
 func (s *LocalHelmChartSource) Description() string {
-	return "source that contains the chart in the format '<kind>/<name>'"
+	return fmt.Sprintf("source that contains the chart, where kind must be one of: (%s)",
+		strings.Join(supportedHelmChartSourceKinds, ", "))
 }

From 92e5884664c4380db63ce50a8304e3b0a049c26d Mon Sep 17 00:00:00 2001
From: h3nryc0ding <hr.richterhenry@gmail.com>
Date: Mon, 23 Dec 2024 23:13:50 +0100
Subject: [PATCH 5/5] minimize diff

Signed-off-by: h3nryc0ding <hr.richterhenry@gmail.com>
---
 cmd/flux/create_helmrelease_test.go          | 2 +-
 cmd/flux/create_source_chart_test.go         | 2 +-
 cmd/flux/create_source_git_test.go           | 4 ++--
 internal/flags/crds.go                       | 4 ++--
 internal/flags/decryption_provider.go        | 5 ++---
 internal/flags/ecdsa_curve.go                | 2 +-
 internal/flags/gitlab_visibility.go          | 3 ++-
 internal/flags/helm_chart_source.go          | 2 +-
 internal/flags/kustomization_source.go       | 2 +-
 internal/flags/local_helm_chart_source.go    | 2 +-
 internal/flags/log_level.go                  | 4 ++--
 internal/flags/public_key_algorithm.go       | 4 ++--
 internal/flags/source_bucket_provider.go     | 2 +-
 internal/flags/source_git_provider.go        | 6 +++---
 internal/flags/source_oci_provider.go        | 2 +-
 internal/flags/source_oci_verify_provider.go | 2 +-
 16 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/cmd/flux/create_helmrelease_test.go b/cmd/flux/create_helmrelease_test.go
index d5d76d36..ffdef081 100644
--- a/cmd/flux/create_helmrelease_test.go
+++ b/cmd/flux/create_helmrelease_test.go
@@ -45,7 +45,7 @@ func TestCreateHelmRelease(t *testing.T) {
 		{
 			name:   "unknown source kind",
 			args:   "create helmrelease podinfo --source foobar/podinfo --chart podinfo --export",
-			assert: assertError(`invalid argument "foobar/podinfo" for "--source" flag: source kind 'foobar' is not supported, must be one of: HelmRepository|GitRepository|Bucket`),
+			assert: assertError(`invalid argument "foobar/podinfo" for "--source" flag: source kind 'foobar' is not supported, must be one of: HelmRepository, GitRepository, Bucket`),
 		},
 		{
 			name:   "unknown chart reference kind",
diff --git a/cmd/flux/create_source_chart_test.go b/cmd/flux/create_source_chart_test.go
index 87d0e3fd..95667086 100644
--- a/cmd/flux/create_source_chart_test.go
+++ b/cmd/flux/create_source_chart_test.go
@@ -50,7 +50,7 @@ func TestCreateSourceChart(t *testing.T) {
 		{
 			name:   "unknown source kind",
 			args:   "create source chart podinfo --source foobar/podinfo --export",
-			assert: assertError(`invalid argument "foobar/podinfo" for "--source" flag: source kind 'foobar' is not supported, must be one of: HelmRepository|GitRepository|Bucket`),
+			assert: assertError(`invalid argument "foobar/podinfo" for "--source" flag: source kind 'foobar' is not supported, must be one of: HelmRepository, GitRepository, Bucket`),
 		},
 		{
 			name:   "basic chart",
diff --git a/cmd/flux/create_source_git_test.go b/cmd/flux/create_source_git_test.go
index a652429c..f8ebb167 100644
--- a/cmd/flux/create_source_git_test.go
+++ b/cmd/flux/create_source_git_test.go
@@ -147,12 +147,12 @@ func TestCreateSourceGitExport(t *testing.T) {
 		{
 			name:   "source with invalid provider",
 			args:   "create source git podinfo --namespace=flux-system --url=https://dev.azure.com/foo/bar/_git/podinfo --provider dummy --branch=test --interval=1m0s --export",
-			assert: assertError("invalid argument \"dummy\" for \"--provider\" flag: source Git provider 'dummy' is not supported, must be one of: generic|azure"),
+			assert: assertError("invalid argument \"dummy\" for \"--provider\" flag: source Git provider 'dummy' is not supported, must be one of: generic, azure"),
 		},
 		{
 			name:   "source with empty provider",
 			args:   "create source git podinfo --namespace=flux-system --url=https://dev.azure.com/foo/bar/_git/podinfo --provider \"\" --branch=test --interval=1m0s --export",
-			assert: assertError("invalid argument \"\" for \"--provider\" flag: no source Git provider given, must be one of: generic|azure"),
+			assert: assertError("invalid argument \"\" for \"--provider\" flag: no source Git provider given, please specify the Git provider name"),
 		},
 		{
 			name:   "source with no provider",
diff --git a/internal/flags/crds.go b/internal/flags/crds.go
index 22f1c877..3eeba92b 100644
--- a/internal/flags/crds.go
+++ b/internal/flags/crds.go
@@ -40,11 +40,11 @@ func (a *CRDsPolicy) String() string {
 func (a *CRDsPolicy) Set(str string) error {
 	if strings.TrimSpace(str) == "" {
 		return fmt.Errorf("no upgrade CRDs policy given, must be one of: %s",
-			a.Type())
+			strings.Join(supportedCRDsPolicies, ", "))
 	}
 	if !utils.ContainsItemString(supportedCRDsPolicies, str) {
 		return fmt.Errorf("unsupported upgrade CRDs policy '%s', must be one of: %s",
-			str, a.Type())
+			str, strings.Join(supportedCRDsPolicies, ", "))
 
 	}
 	*a = CRDsPolicy(str)
diff --git a/internal/flags/decryption_provider.go b/internal/flags/decryption_provider.go
index c92c2d46..ad4a90bc 100644
--- a/internal/flags/decryption_provider.go
+++ b/internal/flags/decryption_provider.go
@@ -34,12 +34,11 @@ func (d *DecryptionProvider) String() string {
 func (d *DecryptionProvider) Set(str string) error {
 	if strings.TrimSpace(str) == "" {
 		return fmt.Errorf("no decryption provider given, must be one of: %s",
-			d.Type())
+			strings.Join(supportedDecryptionProviders, ", "))
 	}
 	if !utils.ContainsItemString(supportedDecryptionProviders, str) {
 		return fmt.Errorf("unsupported decryption provider '%s', must be one of: %s",
-			str, d.Type())
-
+			str, strings.Join(supportedDecryptionProviders, ", "))
 	}
 	*d = DecryptionProvider(str)
 	return nil
diff --git a/internal/flags/ecdsa_curve.go b/internal/flags/ecdsa_curve.go
index f38e53f2..fba3c149 100644
--- a/internal/flags/ecdsa_curve.go
+++ b/internal/flags/ecdsa_curve.go
@@ -45,7 +45,7 @@ func (c *ECDSACurve) Set(str string) error {
 		*c = ECDSACurve{v}
 		return nil
 	}
-	return fmt.Errorf("unsupported curve '%s', must be one of: %s", str, c.Type())
+	return fmt.Errorf("unsupported curve '%s', must be one of: %s", str, strings.Join(ecdsaCurves(), ", "))
 }
 
 func (c *ECDSACurve) Type() string {
diff --git a/internal/flags/gitlab_visibility.go b/internal/flags/gitlab_visibility.go
index e2b52698..e729cb3d 100644
--- a/internal/flags/gitlab_visibility.go
+++ b/internal/flags/gitlab_visibility.go
@@ -52,7 +52,8 @@ func (d *GitLabVisibility) Set(str string) error {
 	}
 	var visibility = gitprovider.RepositoryVisibility(str)
 	if ValidateRepositoryVisibility(visibility) != nil {
-		return fmt.Errorf("unsupported visibility '%s', must be one of: %s", str, d.Type())
+		return fmt.Errorf("unsupported visibility '%s', must be one of: %s",
+			str, strings.Join(gitLabVisibilities(), ", "))
 	}
 	*d = GitLabVisibility(visibility)
 	return nil
diff --git a/internal/flags/helm_chart_source.go b/internal/flags/helm_chart_source.go
index 30f2e379..2b321886 100644
--- a/internal/flags/helm_chart_source.go
+++ b/internal/flags/helm_chart_source.go
@@ -53,7 +53,7 @@ func (s *HelmChartSource) Set(str string) error {
 	cleanSourceKind, ok := utils.ContainsEqualFoldItemString(supportedHelmChartSourceKinds, sourceKind)
 	if !ok {
 		return fmt.Errorf("source kind '%s' is not supported, must be one of: %s",
-			sourceKind, s.Type())
+			sourceKind, strings.Join(supportedHelmChartSourceKinds, ", "))
 	}
 
 	s.Kind = cleanSourceKind
diff --git a/internal/flags/kustomization_source.go b/internal/flags/kustomization_source.go
index cb65c64d..24ddbc2a 100644
--- a/internal/flags/kustomization_source.go
+++ b/internal/flags/kustomization_source.go
@@ -60,7 +60,7 @@ func (s *KustomizationSource) Set(str string) error {
 	cleanSourceKind, ok := utils.ContainsEqualFoldItemString(supportedKustomizationSourceKinds, sourceKind)
 	if !ok {
 		return fmt.Errorf("source kind '%s' is not supported, must be one of: %s",
-			sourceKind, s.Type())
+			sourceKind, strings.Join(supportedKustomizationSourceKinds, ", "))
 	}
 
 	s.Kind = cleanSourceKind
diff --git a/internal/flags/local_helm_chart_source.go b/internal/flags/local_helm_chart_source.go
index a47221dd..ac28bb5e 100644
--- a/internal/flags/local_helm_chart_source.go
+++ b/internal/flags/local_helm_chart_source.go
@@ -48,7 +48,7 @@ func (s *LocalHelmChartSource) Set(str string) error {
 	cleanSourceKind, ok := utils.ContainsEqualFoldItemString(supportedHelmChartSourceKinds, sourceKind)
 	if !ok {
 		return fmt.Errorf("source kind '%s' is not supported, must be one of: %s",
-			sourceKind, s.Type())
+			sourceKind, strings.Join(supportedHelmChartSourceKinds, ", "))
 	}
 
 	s.Kind = cleanSourceKind
diff --git a/internal/flags/log_level.go b/internal/flags/log_level.go
index 6464e196..6fb1c2c5 100644
--- a/internal/flags/log_level.go
+++ b/internal/flags/log_level.go
@@ -34,11 +34,11 @@ func (l *LogLevel) String() string {
 func (l *LogLevel) Set(str string) error {
 	if strings.TrimSpace(str) == "" {
 		return fmt.Errorf("no log level given, must be one of: %s",
-			l.Type())
+			strings.Join(supportedLogLevels, ", "))
 	}
 	if !utils.ContainsItemString(supportedLogLevels, str) {
 		return fmt.Errorf("unsupported log level '%s', must be one of: %s",
-			str, l.Type())
+			str, strings.Join(supportedLogLevels, ", "))
 
 	}
 	*l = LogLevel(str)
diff --git a/internal/flags/public_key_algorithm.go b/internal/flags/public_key_algorithm.go
index 1bdb7023..d2bda1c8 100644
--- a/internal/flags/public_key_algorithm.go
+++ b/internal/flags/public_key_algorithm.go
@@ -32,7 +32,7 @@ func (a *PublicKeyAlgorithm) String() string {
 func (a *PublicKeyAlgorithm) Set(str string) error {
 	if strings.TrimSpace(str) == "" {
 		return fmt.Errorf("no public key algorithm given, must be one of: %s",
-			a.Type())
+			strings.Join(supportedPublicKeyAlgorithms, ", "))
 	}
 	for _, v := range supportedPublicKeyAlgorithms {
 		if str == v {
@@ -41,7 +41,7 @@ func (a *PublicKeyAlgorithm) Set(str string) error {
 		}
 	}
 	return fmt.Errorf("unsupported public key algorithm '%s', must be one of: %s",
-		str, a.Type())
+		str, strings.Join(supportedPublicKeyAlgorithms, ", "))
 }
 
 func (a *PublicKeyAlgorithm) Type() string {
diff --git a/internal/flags/source_bucket_provider.go b/internal/flags/source_bucket_provider.go
index e83c3835..7b1c4fe5 100644
--- a/internal/flags/source_bucket_provider.go
+++ b/internal/flags/source_bucket_provider.go
@@ -45,7 +45,7 @@ func (p *SourceBucketProvider) Set(str string) error {
 	}
 	if !utils.ContainsItemString(supportedSourceBucketProviders, str) {
 		return fmt.Errorf("source bucket provider '%s' is not supported, must be one of: %v",
-			str, p.Type())
+			str, strings.Join(supportedSourceBucketProviders, ", "))
 	}
 	*p = SourceBucketProvider(str)
 	return nil
diff --git a/internal/flags/source_git_provider.go b/internal/flags/source_git_provider.go
index 144b7865..9de1ce93 100644
--- a/internal/flags/source_git_provider.go
+++ b/internal/flags/source_git_provider.go
@@ -37,12 +37,12 @@ func (p *SourceGitProvider) String() string {
 
 func (p *SourceGitProvider) Set(str string) error {
 	if strings.TrimSpace(str) == "" {
-		return fmt.Errorf("no source Git provider given, must be one of: %s",
-			p.Type())
+		return fmt.Errorf("no source Git provider given, please specify %s",
+			p.Description())
 	}
 	if !utils.ContainsItemString(supportedSourceGitProviders, str) {
 		return fmt.Errorf("source Git provider '%s' is not supported, must be one of: %v",
-			str, p.Type())
+			str, strings.Join(supportedSourceGitProviders, ", "))
 	}
 	*p = SourceGitProvider(str)
 	return nil
diff --git a/internal/flags/source_oci_provider.go b/internal/flags/source_oci_provider.go
index a21c337a..013619fe 100644
--- a/internal/flags/source_oci_provider.go
+++ b/internal/flags/source_oci_provider.go
@@ -52,7 +52,7 @@ func (p *SourceOCIProvider) Set(str string) error {
 	}
 	if !utils.ContainsItemString(supportedSourceOCIProviders, str) {
 		return fmt.Errorf("source OCI provider '%s' is not supported, must be one of: %v",
-			str, p.Type())
+			str, strings.Join(supportedSourceOCIProviders, ", "))
 	}
 	*p = SourceOCIProvider(str)
 	return nil
diff --git a/internal/flags/source_oci_verify_provider.go b/internal/flags/source_oci_verify_provider.go
index b2fdaba4..5cd68b49 100644
--- a/internal/flags/source_oci_verify_provider.go
+++ b/internal/flags/source_oci_verify_provider.go
@@ -40,7 +40,7 @@ func (p *SourceOCIVerifyProvider) Set(str string) error {
 	}
 	if !utils.ContainsItemString(supportedSourceOCIVerifyProviders, str) {
 		return fmt.Errorf("source OCI verify provider '%s' is not supported, must be one of: %v",
-			str, p.Type())
+			str, strings.Join(supportedSourceOCIVerifyProviders, ", "))
 	}
 	*p = SourceOCIVerifyProvider(str)
 	return nil