8bc304f97e
## What changes were proposed in this pull request? Remove Scala 2.11 support in build files and docs, and in various parts of code that accommodated 2.11. See some targeted comments below. ## How was this patch tested? Existing tests. Closes #23098 from srowen/SPARK-26132. Authored-by: Sean Owen <sean.owen@databricks.com> Signed-off-by: Sean Owen <sean.owen@databricks.com>
68 lines
2.5 KiB
Bash
68 lines
2.5 KiB
Bash
#!/usr/bin/env bash
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# This script loads spark-env.sh if it exists, and ensures it is only loaded once.
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# spark-env.sh is loaded from SPARK_CONF_DIR if set, or within the current directory's
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# conf/ subdirectory.
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# Figure out where Spark is installed
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if [ -z "${SPARK_HOME}" ]; then
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source "$(dirname "$0")"/find-spark-home
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fi
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SPARK_ENV_SH="spark-env.sh"
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if [ -z "$SPARK_ENV_LOADED" ]; then
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export SPARK_ENV_LOADED=1
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export SPARK_CONF_DIR="${SPARK_CONF_DIR:-"${SPARK_HOME}"/conf}"
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SPARK_ENV_SH="${SPARK_CONF_DIR}/${SPARK_ENV_SH}"
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if [[ -f "${SPARK_ENV_SH}" ]]; then
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# Promote all variable declarations to environment (exported) variables
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set -a
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. ${SPARK_ENV_SH}
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set +a
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fi
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fi
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# Setting SPARK_SCALA_VERSION if not already set.
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# TODO: revisit for Scala 2.13 support
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export SPARK_SCALA_VERSION=2.12
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#if [ -z "$SPARK_SCALA_VERSION" ]; then
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# SCALA_VERSION_1=2.12
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# SCALA_VERSION_2=2.11
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#
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# ASSEMBLY_DIR_1="${SPARK_HOME}/assembly/target/scala-${SCALA_VERSION_1}"
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# ASSEMBLY_DIR_2="${SPARK_HOME}/assembly/target/scala-${SCALA_VERSION_2}"
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# ENV_VARIABLE_DOC="https://spark.apache.org/docs/latest/configuration.html#environment-variables"
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# if [[ -d "$ASSEMBLY_DIR_1" && -d "$ASSEMBLY_DIR_2" ]]; then
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# echo "Presence of build for multiple Scala versions detected ($ASSEMBLY_DIR_1 and $ASSEMBLY_DIR_2)." 1>&2
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# echo "Remove one of them or, export SPARK_SCALA_VERSION=$SCALA_VERSION_1 in ${SPARK_ENV_SH}." 1>&2
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# echo "Visit ${ENV_VARIABLE_DOC} for more details about setting environment variables in spark-env.sh." 1>&2
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# exit 1
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# fi
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#
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# if [[ -d "$ASSEMBLY_DIR_1" ]]; then
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# export SPARK_SCALA_VERSION=${SCALA_VERSION_1}
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# else
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# export SPARK_SCALA_VERSION=${SCALA_VERSION_2}
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# fi
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#fi
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