Add (create|delete|export) source chart commands

The `create source chart` command supports all HelmChart.spec fields
except `.valuesFiles` and `ignoreMissingValuesFiles` as these are
assumingly rarely used fields and the CLI usually only supports
commonly used ones.

closes #4760

Co-authored-by: Stefan Prodan <stefan.prodan@gmail.com>
Signed-off-by: Max Jonas Werner <mail@makk.es>

cmd/flux/delete_source_chart.go

@@ -0,0 +1,40 @@
+/*
+Copyright 2024 The Flux authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"github.com/spf13/cobra"
+
+	sourcev1 "github.com/fluxcd/source-controller/api/v1beta2"
+)
+
+var deleteSourceChartCmd = &cobra.Command{
+	Use:   "chart [name]",
+	Short: "Delete a HelmChart source",
+	Long:  "The delete source chart command deletes the given HelmChart from the cluster.",
+	Example: `  # Delete a HelmChart
+  flux delete source chart podinfo`,
+	ValidArgsFunction: resourceNamesCompletionFunc(sourcev1.GroupVersion.WithKind(sourcev1.HelmChartKind)),
+	RunE: deleteCommand{
+		apiType: helmChartType,
+		object:  universalAdapter{&sourcev1.HelmChart{}},
+	}.run,
+}
+
+func init() {
+	deleteSourceCmd.AddCommand(deleteSourceChartCmd)
+}