#!/bin/sh

input_file="${1}"

while IFS= read -r line || [ -n "$line" ]; do
    # Skip empty lines
    if [ -z "$line" ]; then
        continue
    fi
    
    image=$(echo "$line" | cut -d' ' -f1)
    platform=$(echo "$line" | cut -d' ' -f2-)

    echo "${image} ${platform}"
    cat <<EOF > "containerfiles/${image##*/}.${platform}"
FROM --platform=${platform} ${image} as build
COPY install-build-pkgs build-mergerfs /tmp/
RUN /tmp/install-build-pkgs
ARG BUILD_TIMESTAMP=0
ARG GIT_REPO
ARG BRANCH
RUN /tmp/build-mergerfs \$GIT_REPO \$BRANCH

FROM scratch
COPY --from=build /build/ /
EOF
done < "$input_file"