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

hack/update-changelog.sh

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+set -euo pipefail
+IFS=$'\n\t'
+
+# require yq
+command -v yq >/dev/null 2>&1 || {
+  echo >&2 'yq (https://github.com/mikefarah/yq) is not installed. Aborting.'
+  exit 1
+}
+
+if [ "$#" -lt 2 ]; then
+    echo 'Usage: {append | replace} changelog [chart...]'
+    exit
+fi
+
+update_type="$1"
+shift
+
+changelog="$(yq -P <<<"$1")"
+export changelog
+shift
+
+CHARTS=()
+if [ "$#" -gt 0 ]; then
+  # Get changed dirs from params
+  for file in "$@"; do
+    CHARTS+=( "$(dirname "$file")" )
+  done
+else
+  # Get changed dirs from uncommitted changes
+  for file in $(git status --porcelain charts | grep '^M' | cut -c4-); do
+    CHARTS+=( "$(dirname "$file")" )
+  done
+fi
+CHARTS=( $(sort -u <<<"${CHARTS[*]}") )
+
+case "$update_type" in
+  append)
+    expression='.annotations."artifacthub.io/changes" |= (@yamld + (strenv(changelog) | @yamld) | @yaml | trim)'
+    ;;
+  replace)
+    expression='.annotations."artifacthub.io/changes" = (env(changelog) | @yaml | trim)'
+    ;;
+  *)
+    echo "Invalid update type: $update_type" >&2
+    exit 1
+    ;;
+esac
+
+for chart in "${CHARTS[@]}"; do (
+  meta_file="$chart/Chart.yaml"
+  if [ ! -f "$meta_file" ]; then echo >&2 "Invalid file: $meta_file"; exit; fi
+
+  yq --inplace "$expression" "$meta_file"
+  echo "Updated $(basename "$chart") changelog"
+) done