set -Eeuo pipefail

declare -A r_versions=(

[3.1]='3.1.3'

[3.2]='3.2.5'

[3.3]='3.3.3'

[3.4]='3.4.4'

[3.5]='3.5.3'

[3.6]='3.6.3'

[4.0]='4.0.5'

[4.1]='4.1.1'

[devel]='devel'

)

declare -A os_identifiers=(

[xenial]='ubuntu-1604'

[bionic]='ubuntu-1804'

[focal]='ubuntu-2004'

[centos7]='centos-7'

[centos8]='centos-8'

[opensuse42]='opensuse-42'

[opensuse15]='opensuse-15'

[opensuse152]='opensuse-152'

[opensuse153]='opensuse-153'

)

generated_warning() {

}

for version in "${!r_versions[@]}"; do

for variant in "${!os_identifiers[@]}"; do

dir="$version/$variant"

mkdir -p $dir

case "$variant" in

xenial|bionic|focal) template='ubuntu'

;;

centos7|centos8) template='centos'

;;

opensuse42|opensuse15|opensuse152|opensuse153) template='opensuse'

;;

esac

template="Dockerfile-${template}.template"

{ generated_warning; cat "$template"; } > "$dir/Dockerfile"

sed -ri \

-e "s/%%VARIANT%%/${variant}/" \

-e "s/%%R_VERSION%%/${r_versions[$version]}/" \

-e "s/%%OS_IDENTIFIER%%/${os_identifiers[$variant]}/" \

"$dir/Dockerfile"

cp docker-compose.test.yml $dir

# Add MAJOR.MINOR.PATCH version tags

mkdir -p "$dir/hooks" && cp post_push.template.sh "$dir/hooks/post_push"

sed -ri \

-e "s/%%TAG%%/${r_versions[$version]}-${variant}/" \

"$dir/hooks/post_push"

done