Make downloaded "template-helper-functions.jq" a hidden file

.gitignore

@@ -1,2 +1,2 @@
 .jq-template.awk
-template-helper-functions.jq
+.template-helper-functions.jq

Dockerfile-alpine.template

@@ -1,5 +1,5 @@
 # Alpine Linux is not officially supported by the RabbitMQ team -- use at your own risk!
-{{ include "template-helper-functions" }}
+{{ include ".template-helper-functions" }}
 FROM alpine:{{ .alpine.version }} as build-base
 
 RUN apk add --no-cache \

Dockerfile-ubuntu.template

@@ -1,6 +1,6 @@
 # The official Canonical Ubuntu Focal image is ideal from a security perspective,
 # especially for the enterprises that we, the RabbitMQ team, have to deal with
-{{ include "template-helper-functions" }}
+{{ include ".template-helper-functions" }}
 FROM ubuntu:{{ .ubuntu.version }} as build-base
 
 ARG BUILDKIT_SBOM_SCAN_STAGE=true

apply-templates.sh

@@ -13,8 +13,10 @@ elif [ "$BASH_SOURCE" -nt "$jqt" ]; then
 	wget -qO "$jqt" 'https://github.com/docker-library/bashbrew/raw/9f6a35772ac863a0241f147c820354e4008edf38/scripts/jq-template.awk'
 fi
 
-jqf='template-helper-functions.jq'
-if [ "$BASH_SOURCE" -nt "$jqf" ]; then
+jqf='.template-helper-functions.jq'
+if [ -n "${BASHBREW_SCRIPTS:-}" ]; then
+	jqf="$BASHBREW_SCRIPTS/template-helper-functions.jq"
+elif [ "$BASH_SOURCE" -nt "$jqf" ]; then
 	# https://github.com/docker-library/bashbrew/blob/master/scripts/template-helper-functions.jq
 	wget -qO "$jqf" 'https://github.com/docker-library/bashbrew/raw/5a86c34c5a3ef370b3d22c398d45ccab53bd64bd/scripts/template-helper-functions.jq'
 fi