update_mozc_deps

#!/bin/bash

cleanup() {
    pkill -P $$ || true
}

check_bazel_binary() {
    yq -r '.sources[] | select(.url | contains("'$1'")) | "\(.sha256) 'bazel-$1'"' "$SCRIPT_DIRECTORY/modules/bazel.yaml" | sha256sum --check -
    return $?
}

check_and_download_bazel() {
    # Extract bazel information from modules/bazel.yaml
    local BAZEL_URL=`yq -r '.sources[].url | select(contains("'$1'"))' "$SCRIPT_DIRECTORY/modules/bazel.yaml"`
    FILENAME="$(basename "$BAZEL_URL")"
    if [ -f "bazel-$1" ]; then
        chmod +x bazel-$1
        if check_bazel_binary $1 ; then
            return 0
        else
            rm -f "bazel-$1"
        fi
    fi
    wget -nv -O bazel-$1 ${BAZEL_URL}
    chmod +x bazel-$1
    check_bazel_binary $1
    return $?
}

run_bazel() {
    echo $1 clean --expunge
    $1 clean --expunge
    echo $1 build --nobuild --experimental_downloader_config="$SCRIPT_DIRECTORY/downloader.cfg" --registry=file://$BASE/bcr --repository_cache="$_MOZC_BAZEL_CACHE" --config oss_linux --config release_build $2
    $1 build --noshow_progress --nobuild --experimental_downloader_config="$SCRIPT_DIRECTORY/downloader.cfg" --registry=file://$BASE/bcr --repository_cache="$_MOZC_BAZEL_CACHE" --config oss_linux --config release_build $2
}

trap cleanup EXIT

SCRIPT_PATH="$(realpath "${BASH_SOURCE[-1]}")"
SCRIPT_DIRECTORY="$(dirname "$SCRIPT_PATH")"
BAZEL_VERSION=7.3.2

set -e

# TMPDIR
[[ -z $TMPDIR ]] && TMPDIR=$PWD/tmp
BASE="$TMPDIR/update_mozc"

mkdir -p "$BASE"

cd "$BASE"
[[ ! -d mozc ]] && git clone --recursive -q --filter=tree:0 https://github.com/fcitx/mozc/
[[ ! -d bcr ]] && git clone -q --filter=tree:0 https://github.com/bazelbuild/bazel-central-registry bcr

# Always use downloaded bazel
check_and_download_bazel arm64
check_and_download_bazel x86_64

pushd .
cd bcr
git fetch --all
git checkout origin/main
popd

pushd .
cd mozc/src/
git fetch --all
git checkout origin/fcitx
git submodule update --init
popd

_MOZC_BAZEL_CACHE="$BASE/mozc_cache"
_DOWNLOADER_CACHE="$BASE/downloader_cache"
BAZEL_MIRROR="$SCRIPT_DIRECTORY/bazel_mirror.py"

pushd .
mkdir -p "$_DOWNLOADER_CACHE"
cd "$_DOWNLOADER_CACHE"
python3 "$BAZEL_MIRROR" &
PROXY_PID=$!
popd
[[ -z $PROXY_PID ]] && exit 1


cd mozc/src/

BUILD_TARGET_SERVER="server:mozc_server"
BUILD_TARGET="unix/fcitx5:fcitx5-mozc.so ${BUILD_TARGET_SERVER} gui/tool:mozc_tool"

run_bazel "$BASE/bazel-x86_64" "$BUILD_TARGET"
# Only run aarch64 against server target, as with flatpak we have no external dependencies
# TODO: apply only tag for deps
run_bazel "flatpak run --arch=aarch64 --filesystem=$SCRIPT_DIRECTORY --filesystem=home --share=network --filesystem=xdg-cache --command=$BASE/bazel-arm64 org.freedesktop.Sdk/aarch64/23.08" "$BUILD_TARGET_SERVER"

kill $PROXY_PID

pushd .
cd $_DOWNLOADER_CACHE
for f in `find -type f` ; do
    if [[ ! "$f" =~ "./bcr.bazel.build/" ]];then
        url="https://${f#*/}"
        echo "- type: file"
        echo "  url: $url"
        echo "  dest: bazel-deps"
        sha=`sha256sum $f|cut -f1 -d" "`
        echo "  sha256: $sha"
    fi
done > $SCRIPT_DIRECTORY/mozc-deps.yaml
popd

yq -y -i 'sort_by(.url)' "$SCRIPT_DIRECTORY/mozc-deps.yaml"

rm -rf "$BASE"