feat(charts): Now using bjw-s's common library chart (#7)

hack/gen-helm-docs.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Generate helm-docs for Helm charts
+# Usage ./gen-helm-docs.sh [chart]
+
+# require helm-docs
+command -v helm-docs >/dev/null 2>&1 || {
+  echo >&2 'helm-docs (https://github.com/norwoodj/helm-docs) is not installed. Aborting.'
+  exit 1
+}
+
+# require yq
+command -v yq >/dev/null 2>&1 || {
+  echo >&2 'yq (https://github.com/mikefarah/yq) is not installed. Aborting.'
+  exit 1
+}
+
+# Absolute path of repository
+repository="$(git rev-parse --show-toplevel)"
+charts_folder="$repository/charts"
+
+# Templates to copy into each chart directory
+template_dir="$repository/hack/templates"
+readme_config_template="$template_dir/README_CONFIG.md.gotmpl"
+icon_template=$(<"$template_dir/icon.gotmpl")
+
+# Gather all charts using the common library, excluding common-test
+charts="$(find "$charts_folder" -name Chart.yaml)"
+
+# Allow for a specific chart to be passed in as a argument
+if [ $# -ge 1 ] && [ -n "$1" ]; then
+  root="$(find "$charts_folder" -name "$1")"
+  charts="$root/Chart.yaml"
+  if [ ! -f "$charts" ]; then
+    echo "Chart $1 does not exist."
+    exit 1
+  fi
+else
+  root="$charts_folder"
+fi
+
+for chart in $charts; do (
+  chart_directory="$(dirname "$chart")"
+  icon="$(yq eval '.icon // ""' "$chart" 2>/dev/null)"
+
+  # Copy CONFIG template to each Chart directory, do not overwrite if exists
+  cp -n "$readme_config_template" "$chart_directory" || true
+
+  # Run helm-docs for charts
+  helm-docs \
+    --log-level=warning \
+    --template-files="$template_dir/README.md.gotmpl" \
+    --template-files=<(echo "${icon_template/\$ICON/$icon}") \
+    --template-files="$(basename "$readme_config_template")" \
+    --badge-style=flat \
+    --chart-search-root="$root" \
+    --chart-to-generate="$chart_directory"
+) done