[GitHub] [airflow] potiuk commented on a change in pull request #13292: Compile assets automatically when needed at Breeze entry

[GitBox <gi...@apache.org>]

potiuk commented on a change in pull request #13292:
URL: https://github.com/apache/airflow/pull/13292#discussion_r548195146



##########
File path: airflow/www/compile_assets_if_needed.sh
##########
@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+set -e
+
+cd "$( dirname "${BASH_SOURCE[0]}" )"
+
+MD5SUM_FILE="static/dist/sum.md5"
+readonly MD5SUM_FILE
+
+md5sum=$(find package.json yarn.lock static/css static/js -type f | sort  | xargs md5sum)
+old_md5sum=$(cat "${MD5SUM_FILE}" 2>/dev/null || true)
+if [[ ${old_md5sum} != "${md5sum}" ]]; then
+    echo
+    echo "The assets need to be compiled because some of the www source files changed"

Review comment:
       ```suggestion
       echo "The assets need to be recompiled because some of the www source files changed"
   ```




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