rabbitmq/apply-templates.sh

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#!/usr/bin/env bash
set -Eeuo pipefail
[ -f versions.json ] # run "versions.sh" first
cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
jqt='.jq-template.awk'
if [ -n "${BASHBREW_SCRIPTS:-}" ]; then
jqt="$BASHBREW_SCRIPTS/jq-template.awk"
elif [ "$BASH_SOURCE" -nt "$jqt" ]; then
# https://github.com/docker-library/bashbrew/blob/master/scripts/jq-template.awk
wget -qO "$jqt" 'https://github.com/docker-library/bashbrew/raw/9f6a35772ac863a0241f147c820354e4008edf38/scripts/jq-template.awk'
fi
if [ "$#" -eq 0 ]; then
versions="$(jq -r 'keys | map(@sh) | join(" ")' versions.json)"
eval "set -- $versions"
fi
generated_warning() {
cat <<-EOH
#
# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
#
# PLEASE DO NOT EDIT IT DIRECTLY.
#
EOH
}
for version; do
export version
if [ -d "$version" ]; then
rm -rf "$version"
fi
if jq -e '.[env.version] | not' versions.json > /dev/null; then
echo "skipping $version ..."
continue
fi
for variant in alpine ubuntu; do
export variant
echo "processing $version/$variant ..."
mkdir -p "$version/$variant"
{
generated_warning
gawk -f "$jqt" "Dockerfile-$variant.template"
} > "$version/$variant/Dockerfile"
cp -f docker-entrypoint.sh conf.d/*.conf "$version/$variant/"
if [ "$variant" = 'alpine' ]; then
sed -i -e 's/gosu/su-exec/g' "$version/$variant/docker-entrypoint.sh"
fi
echo "processing $version/$variant/management ..."
mkdir -p "$version/$variant/management"
{
generated_warning
gawk -f "$jqt" Dockerfile-management.template
} > "$version/$variant/management/Dockerfile"
done
done