post-hook.sh

#!/bin/bash -ex

VER=${5##helm-chart-}

CHART_PATH=helm/external-secrets
FILE=Chart.yaml
CRD_PATH=$CHART_PATH/crd-base
FILE_PATH=$CHART_PATH/$FILE
OURS=/tmp/"$FILE".ours
THEIRS=/tmp/"$FILE".theirs

wget https://github.com/external-secrets/external-secrets/releases/download/helm-chart-"${VER}"/external-secrets-"${VER}".tgz -O /tmp/external-secrets.tgz
tar zvxf /tmp/external-secrets.tgz -C /tmp
cp /tmp/external-secrets/templates/crds/* "$CRD_PATH"

for f in "$CRD_PATH"/cluster*.yaml; do
	echo "Processing cluster CRD $f"
	sed -i '1 s/and (.Values.installCRDs) //' "$f"
done

for f in $(ls -I "cluster*.yaml" "$CRD_PATH"); do
	echo "Processing CRD $f"
	sed -i '1d; $d' "$CRD_PATH/$f"
done

echo "Patching $FILE with upstream versions info"
if git status --short "$FILE_PATH" | grep "^UU "; then
	git show :2:"$FILE_PATH" >"$OURS"
	git show :3:"$FILE_PATH" >"$THEIRS"

	yq ".appVersion = load(\"$THEIRS\").appVersion" -i "$OURS"
	yq ".version = load(\"$THEIRS\").version" -i "$OURS"
	yq ".upstreamChartVersion = load(\"$THEIRS\").version" -i "$OURS"
	cp "$OURS" "$FILE_PATH"
else
	yq ".upstreamChartVersion = \"$VER\"" -i "$FILE_PATH"
fi