# Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

ARG BUILT_BUILDER_IMAGE=unused
ARG BASE_IMAGE=unused
FROM ${BUILT_BUILDER_IMAGE} as builder

################# BASE ########################
FROM ${BASE_IMAGE} as final
COPY --from=builder /newroot /


################ Export #######################

FROM builder as prepare-export

ARG EXPORT_NAME

WORKDIR $NEWROOT
RUN set -x && \
    rpm --root $NEWROOT -qa | sort > /tmp/packages/$EXPORT_NAME && \
    printf "****************** Regular Files ******************\n\n" > /tmp/packages/$EXPORT_NAME-files && \
    find . -type f -printf '%M\t%s\t/%P\n' | numfmt --field=2 --to=iec-i --padding=8 --suffix=B | sort -k 3 >> /tmp/packages/$EXPORT_NAME-files && \
    printf "\n****************** Symlinks ******************\n\n" >> /tmp/packages/$EXPORT_NAME-files && \
    find . -type l -printf '%M\t%s\t/%P\t%l\n' | numfmt --field=2 --to=iec-i --padding=8 --suffix=B | sort -k 3 >> /tmp/packages/$EXPORT_NAME-files

FROM scratch as export

ARG EXPORT_NAME

COPY --from=prepare-export /tmp/packages/$EXPORT_NAME /tmp/packages/$EXPORT_NAME-files .


################ Validate #######################
FROM --platform=$BUILDPLATFORM ${BUILT_BUILDER_IMAGE} as run_validate

COPY scripts/ /usr/bin

RUN set -x && \
    validate && \    
    touch /tmp/success

FROM scratch as validate
COPY --from=run_validate /tmp/success .

################## SYMLINKS #####################
# Instead of building this during the build everytime, this is the dockerfile
# needed to build it, but it is currently checked into the repo under scripts
# when we switch to al22 we can remove this

# the al2 version of symlinks does not support the -C chroot option
# build a static verison so we can use it on al2 too
FROM public.ecr.aws/amazonlinux/amazonlinux:2023 as al23

ENV VERSION=1.7
RUN set -x && \
    yum install cpio gcc glibc-static gzip tar yum-utils  -y && \
    yumdownloader --source symlinks && \
    rpm2cpio symlinks-*.src.rpm | cpio -idmv && \
    tar -xf symlinks-${VERSION}.tar.gz && \
    cd symlinks-${VERSION} && \
    CFLAGS="-O2 -g -Wall -Wstrict-prototypes -static" make symlinks && \
    cp ./symlinks /tmp