#!/bin/bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -e

if [ "$1" = "build" ] || ((NO_BUILD)); then
    exit 0
fi

# shellcheck source=/dev/null
. "$BUILDROOT/usr/lib/os-release"

if [ ! -f "pkg/$ID/systemd.spec" ]; then
    echo "spec not found at pkg/$ID/systemd.spec, run mkosi with -ff to make sure the spec is cloned" >&2
    exit 1
fi

for DEPS in --requires --buildrequires; do
    mkosi-chroot \
        rpmspec \
        --with upstream \
        --query \
        "$DEPS" \
        --define "_topdir /var/tmp" \
        --define "_sourcedir pkg/$ID" \
        "pkg/$ID/systemd.spec" |
            grep --invert-match --regexp systemd --regexp /bin/sh --regexp "rpmlib(" --regexp udev --regexp grubby --regexp sdubby |
            sort --unique |
            tee /tmp/buildrequires |
            xargs --delimiter '\n' mkosi-install
done

# rpmbuild -br tries to build a source package which means all source files have to exist which isn't the
# case when using --build-in-place so we get rid of the source file that doesn't exist to make it happy.
# TODO: Use -bd instead of -br and get rid of this once we don't need to build on CentOS Stream 9 anymore.
sed '/Source0/d' --in-place "pkg/$ID/systemd.spec"

until mkosi-chroot \
    rpmbuild \
    -br \
    --build-in-place \
    --with upstream \
    --define "_topdir /var/tmp" \
    --define "_sourcedir pkg/$ID" \
    --define "_build_name_fmt %%{NAME}-%%{VERSION}-%%{RELEASE}.%%{ARCH}.rpm" \
    "pkg/$ID/systemd.spec"
do
    EXIT_STATUS=$?
    if [ $EXIT_STATUS -ne 11 ]; then
        exit $EXIT_STATUS
    fi

    mkosi-chroot \
        rpm \
        --query \
        --package \
        --requires \
        /var/tmp/SRPMS/systemd-*.buildreqs.nosrc.rpm |
            grep --invert-match '^rpmlib(' |
            sort --unique >/tmp/dynamic-buildrequires

    sort /tmp/buildrequires /tmp/dynamic-buildrequires |
        uniq --unique |
        tee --append /tmp/buildrequires |
        xargs --delimiter '\n' mkosi-install
done