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apply-templates.sh
executable file
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apply-templates.sh
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#!/usr/bin/env bash
set -Eeuo pipefail
[ -f versions.json ] # run "versions.sh" first
jqt='.jq-template.awk'
if [ -n "${BASHBREW_SCRIPTS:-}" ]; then
jqt="$BASHBREW_SCRIPTS/jq-template.awk"
elif [ "$BASH_SOURCE" -nt "$jqt" ]; then
wget -qO "$jqt" 'https://github.com/docker-library/bashbrew/raw/5f0c26381fb7cc78b2d217d58007800bdcfbcfa1/scripts/jq-template.awk'
fi
if [ "$#" -eq 0 ]; then
versions="$(jq -r 'keys | map(@sh) | join(" ")' versions.json)"
eval "set -- $versions"
fi
generated_warning() {
cat <<-EOH
#
# NOTE: THIS DOCKERFILE IS GENERATED VIA "apply-templates.sh"
#
# PLEASE DO NOT EDIT IT DIRECTLY.
#
EOH
}
for version; do
export version
variants="$(jq -r '.[env.version].variants | map(@sh) | join(" ")' versions.json)"
eval "variants=( $variants )"
for variant in "${variants[@]}"; do
template="Dockerfile${variant:+-$variant}.template"
target="$version${variant:+/$variant}/Dockerfile"
{
generated_warning
gawk -f "$jqt" "$template"
} > "$target"
done
cp -a docker-entrypoint.sh modprobe.sh "$version/"
cp -a dockerd-entrypoint.sh "$version/dind/"
done