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#!/bin/bash
#
# Copyright 2018 The Closure Library Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS-IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Script to install all necessary dependencies for compiling Closure and running
# Closure tests.
set -ex
cd ..
# Fetches Closure Compiler components from oss.sonatype.org
# Sonatype doesn't appear to have a REST API, so instead, we manually scrape the
# relevant pages for a particular repository.
# For example, we are scraping
# https://oss.sonatype.org/content/repositories/snapshots/com/google/javascript/closure-compiler/1.0-SNAPSHOT/
# for the compiler.
fetch () {
local name="$1"
local snapshots="https://oss.sonatype.org/content/repositories/snapshots"
local repo="$snapshots/com/google/javascript"
local dir="$repo/$name/1.0-SNAPSHOT"
local jar="$name-1.0-SNAPSHOT.jar"
# use Curl to download the HTML of the page above and scrape it for all jar
# links. Then, sort this list (latest ends up last), and use it.
# Previously, this script might have relied on the page contents being sorted
# latest first.
# TODO(user): Change this to read the maven-metadata.xml file instead
local url=$(
curl -o - "$dir/" |
sed -n 's+.*<a href="\('"$dir/$name"'-[-.0-9]*\.jar\)".*+\1+p' |
sort |
tail -n 1)
[ -n "$url" ]
wget -O "$jar" "$url"
}
# Install closure compiler and linter.
fetch closure-compiler
fetch closure-compiler-linter
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