build-zucchini.sh - mozsearch

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#!/bin/bash

# This Source Code Form is subject to the terms of the Mozilla Public

# License, v. 2.0. If a copy of the MPL was not distributed with this

# file, You can obtain one at http://mozilla.org/MPL/2.0/.

set -euxo pipefail

# Variables

WORKSPACE="$HOME/workspace"

DEPOT_TOOLS_DIR="${DEPOT_TOOLS_DIR:-$HOME/fetches/depot_tools.git}"

CHROMIUM_DIR="$WORKSPACE/chromium"

BUILD_OUTPUT_DIR="$CHROMIUM_DIR/src/out/Default"

UPLOAD_DIR="${UPLOAD_DIR:-$WORKSPACE/upload}"

# Target chromium revision

CHROMIUM_REVISION="${CHROMIUM_REVISION:-main}"

# Note that tar will choose type of compression based on provided filename (ie: xz/zst/gz)

TOOLCHAIN_ARTIFACT_PATH="${TOOLCHAIN_ARTIFACT:-public/build/zucchini.tar.xz}"

ARTIFACT_FILENAME=$(basename "$TOOLCHAIN_ARTIFACT_PATH")

# Disable depot_tools auto-update

export DEPOT_TOOLS_UPDATE=0

export PATH="$PATH:$DEPOT_TOOLS_DIR"

# Log the current revision of depot_tools for easier tracking

DEPOT_TOOLS_REV=$(git -C "$DEPOT_TOOLS_DIR" rev-parse HEAD)

echo "Current depot_tools revision: $DEPOT_TOOLS_REV"

# Set XDG_CONFIG_HOME to avoid write permission issues

# By default the user in the worker can't write to ~/.config

# Forces depot_tools to write config to a different folder

# https://chromium.googlesource.com/chromium/tools/depot_tools/+/refs/heads/main/utils.py#39

export XDG_CONFIG_HOME="$WORKSPACE/.config"

mkdir -p "$CHROMIUM_DIR/src"

# The steps below simulate `fetch --nohooks --no-history chromium` but on a pinned revision

# Setup gclient

cd "$CHROMIUM_DIR"

gclient config --spec 'solutions = [

    "name": "src",

    "url": "https://chromium.googlesource.com/chromium/src.git",

    "managed": False,

    "custom_deps": {},

    "custom_vars": {},

},

]'

# Fetch Chromium source

cd "$CHROMIUM_DIR/src"

git init

git remote add origin https://chromium.googlesource.com/chromium/src

git fetch --depth 1 origin $CHROMIUM_REVISION

git checkout FETCH_HEAD

git config diff.ignoreSubmodules dirty

# Run chromium hooks

gclient sync --nohooks --no-history

gclient runhooks

# Create build output directory and set GN args

mkdir -p "$BUILD_OUTPUT_DIR"

cat > "$BUILD_OUTPUT_DIR/args.gn" <<EOF

enable_nacl = false

symbol_level = 0

target_cpu = "x64"

enable_remoting = false

is_debug = false

EOF

# Generate Ninja build files and build Zucchini

gn gen "$BUILD_OUTPUT_DIR"

autoninja -C "$BUILD_OUTPUT_DIR" zucchini

# Package the Zucchini binary

cd "$BUILD_OUTPUT_DIR"

tar --create --auto-compress --file "$ARTIFACT_FILENAME" zucchini

# Move the artifact to the upload directory

mkdir -p "$UPLOAD_DIR"

mv "$ARTIFACT_FILENAME" "$UPLOAD_DIR/$ARTIFACT_FILENAME"

echo "Build and packaging completed successfully."