#!/bin/bash

set -e

readonly VERSION=$1
if [[ -z $VERSION ]]; then
  echo >&2 'No version given as an argument'
  exit 1
fi

mkdir chromium-checkout
cd chromium-checkout
cat >.gclient <<EOF
solutions = [
  {
    "name": "src",
    "url": "https://chromium.googlesource.com/chromium/src.git",
    "managed": False,
    "custom_deps": {},
    "custom_vars": {},
  },
]
EOF

git clone --depth=1 https://chromium.googlesource.com/chromium/tools/depot_tools
export PATH+=":$PWD/depot_tools" DEPOT_TOOLS_UPDATE=0
export VPYTHON_BYPASS='manually managed python not supported by chrome operations'

git clone -b $VERSION --depth=2 https://chromium.googlesource.com/chromium/src
gclient sync --no-history --nohooks
src/build/util/lastchange.py -o src/build/util/LASTCHANGE
src/build/util/lastchange.py -m GPU_LISTS_VERSION \
  --revision-id-only --header src/gpu/config/gpu_lists_version.h
src/build/util/lastchange.py -m SKIA_COMMIT_HASH \
  -s src/third_party/skia --header src/skia/ext/skia_commit_hash.h
src/build/util/lastchange.py \
  -s src/third_party/dawn --revision src/gpu/webgpu/DAWN_VERSION
src/tools/update_pgo_profiles.py --target=linux update \
  --gs-url-base=chromium-optimization-profiles/pgo_profiles
download_from_google_storage.py --no_resume --extract --no_auth \
  --bucket chromium-nodejs -s src/third_party/node/node_modules.tar.gz.sha1

find src/third_party/jdk/current -type f -delete
mv src ../chromium-$VERSION