update-test262.sh - mozsearch

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#!/bin/bash

set -ex

# This script is intended to be run from the root of the WPT repository.

# It handles syncing tc39/test262 into third_party/test262.

# Ensure we are in the WPT root

SCRIPT_DIR=$(cd $(dirname "$0") && pwd -P)

WPT_ROOT=$SCRIPT_DIR/../..

cd $WPT_ROOT

PUSH_CHANGES=false

if [ "$1" == "--push" ]; then

    PUSH_CHANGES=true

    shift

fi

SPEC_DIR="${1:-../test262-spec}"

if [ ! -d "$SPEC_DIR" ]; then

    echo "Error: Test262 spec directory not found at $SPEC_DIR"

    exit 1

fi

LATEST_SHA=$(git -C "$SPEC_DIR" rev-parse HEAD)

echo "Latest remote Test262 SHA: $LATEST_SHA"

# Base destination directory

TEST262_DEST="$WPT_ROOT/third_party/test262"

TEST_DEST="$TEST262_DEST/test"

HARNESS_DEST="$TEST262_DEST/harness"

# Ensure directories exist

mkdir -p "$TEST_DEST"

mkdir -p "$HARNESS_DEST"

# Use the persistent exclude list from the destination directory to protect WPT-specific metadata

EXCLUDE_FILE="$TEST262_DEST/.rsync-exclude"

RSYNC_OPTS=(-a --delete --exclude-from="$EXCLUDE_FILE")

# Sync the harness files

rsync "${RSYNC_OPTS[@]}" "$SPEC_DIR/harness/" "$HARNESS_DEST/"

# Sync all tests

rsync "${RSYNC_OPTS[@]}" "$SPEC_DIR/test/" "$TEST_DEST/"

# Write the version info

printf "[test262]\nsource = \"https://github.com/tc39/test262\"\nrev = \"${LATEST_SHA}\"\n" > "$TEST262_DEST/vendored.toml"

if [ "$PUSH_CHANGES" = true ]; then

    GIT_AUTHOR_NAME="${GIT_AUTHOR_NAME:-wpt-pr-bot}"

    GIT_AUTHOR_EMAIL="${GIT_AUTHOR_EMAIL:-wpt-pr-bot@users.noreply.github.com}"

    COMMIT_TITLE="${COMMIT_TITLE:-Update Test262 tests}"

    PR_BODY="${PR_BODY:-Scheduled weekly update auto-generated by the update script.}"

    git config user.name "$GIT_AUTHOR_NAME"

    git config user.email "$GIT_AUTHOR_EMAIL"

    BRANCH_NAME="test262-update-$(date +'%Y%m%d%H%M%S')"

    git checkout -B "$BRANCH_NAME"

    git add third_party/test262/

    git commit -m "$COMMIT_TITLE"

    git push --set-upstream origin "$BRANCH_NAME"

    gh pr create --title "$COMMIT_TITLE" --body "$PR_BODY"

fi