ADD common_README_with_helm-docs.sh: README for common chart needs sp…

…ecial treatment and gets its own script...

common_README_with_helm-docs.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/bash
+set -eu
+
+# Generate helm-docs for the common library chart
+# Usage ./common_README_with_helm-docs.sh
+
+if [ $# -gt 0 ]
+then
+    echo "Please use this script without arguments"
+    echo "Usage: ./common_README_with_helm-docs.sh"
+    exit 1
+fi
+
+# require helm-docs
+command -v helm-docs >/dev/null 2>&1 || {
+    echo >&2 "helm-docs (https://github.com/k8s-at-home/helm-docs) is not installed. Aborting."
+    exit 1
+}
+
+# Templates to use for README generation
+readme_template="README.md.gotmpl"
+readme_config_template="README_CONFIG.md.gotmpl"
+readme_changelog_template="README_CHANGELOG.md.gotmpl"
+
+root="charts/common/"
+
+# Run helm-docs for charts
+# 20230405 use binary from k8s-at-home fork
+helm-docs-k8s-at-home \
+    --ignore-file="/dev/null" \
+    --template-files="${readme_template}" \
+    --template-files="${readme_config_template}" \
+    --template-files="${readme_changelog_template}" \
+    --chart-search-root="${root}"