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

if [[ "$1" == "build" ]]; then
    exit 0
fi

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

mkosi-chroot \
    rpmspec \
    --with upstream \
    --query \
    --buildrequires \
    --define "_topdir /var/tmp" \
    --define "_sourcedir $PWD/pkg/$PKG_SUBDIR" \
    "pkg/$PKG_SUBDIR/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

# 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/$PKG_SUBDIR/systemd.spec"

until mkosi-chroot \
    rpmbuild \
    -br \
    --noprep \
    --build-in-place \
    --with upstream \
    --define "_topdir /var/tmp" \
    --define "_sourcedir $PWD/pkg/$PKG_SUBDIR" \
    --define "_build_name_fmt %%{NAME}-%%{VERSION}-%%{RELEASE}.%%{ARCH}.rpm" \
    "pkg/$PKG_SUBDIR/systemd.spec"
do
    EXIT_STATUS=$?
    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