add schema generation to pre-commit

Author: gilesknap

.pre-commit-config.yaml

@@ -23,3 +23,10 @@ repos:
         entry: ruff format --force-exclude
         types: [python]
         require_serial: true
+
+      - id: helm-schema
+        name: Generate Helm schema
+        entry: ./generate-schemas.sh
+        language: system
+        types: [yaml]
+        require_serial: true

generate-schemas.sh

@@ -1,6 +1,6 @@
 #!/bin/env bash
 
-set -xeuo pipefail
+set -euo pipefail
 
 this_dir=$(dirname "$0")
 cd "$this_dir"
@@ -10,4 +10,6 @@ helm schema -v || helm plugin install https://github.com/dadav/helm-schema
 for chart in Charts/*; do
   helm schema -c $chart
   ln -fs ../$chart/values.schema.json schemas/$(basename $chart).schema.json
+  # add a newline to the end of the schema file for pre-commit compliance
+  echo >> schemas/$(basename $chart).schema.json
 done