#!/usr/bin/env bash
# SPDX-License-Identifier: MIT
set -euo pipefail
repo_root=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/../.." && pwd)
work=$(mktemp -d)
trap 'rm -rf -- "$work"' EXIT
mkdir -p "$work/repo/scripts" "$work/bin"
cp "$repo_root/LICENSE" "$repo_root/README.md" "$work/repo/"
# Exercise source preparation, without building or installing RPMs.
printf '#!/bin/sh\nexit 0\n' > "$work/bin/rpmbuild"
chmod +x "$work/bin/rpmbuild"
export PATH="$work/bin:$PATH"

for tool in plasma-task-group-shortcuts fedora-tools-settings; do
    cp -a "$repo_root/$tool" "$work/repo/"
    cp "$repo_root/scripts/build-$tool-rpm" "$work/repo/scripts/"
    source_dir="$work/repo/rpmbuild/SOURCES/$tool-0.1.0"
    mkdir -p "$source_dir"
    touch "$source_dir/obsolete.cpp"
    bash "$work/repo/scripts/build-$tool-rpm"
    archive="$work/repo/rpmbuild/SOURCES/$tool-0.1.0.tar.gz"
    files=$(tar -tzf "$archive")
    if [[ $files == *obsolete.cpp* ]]; then
        printf 'Stale source included in %s\n' "$archive" >&2
        exit 1
    fi
    mkdir -p "$work/extracted/$tool"
    tar -xzf "$archive" -C "$work/extracted/$tool"
    extracted="$work/extracted/$tool/$tool-0.1.0"
    cmp "$work/repo/$tool/CMakeLists.txt" "$extracted/CMakeLists.txt"
    diff -r "$work/repo/$tool/tests" "$extracted/tests"
    if [[ $tool == fedora-tools-settings ]]; then
        diff -r "$work/repo/$tool/src" "$extracted/src"
    else
        for source in "$work/repo/$tool/"*.cpp "$work/repo/$tool/"*.h \
                      "$work/repo/$tool/"*.qml "$work/repo/$tool/"*.desktop; do
            cmp "$source" "$extracted/${source##*/}"
        done
    fi
done
printf 'Source archive tests passed.\n'