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Move parsing and escaping logic to utils.sh
This commit also fixes a deadly typo.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| #!/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. | ||
| # | ||
|
|
||
| # Parse the value of a config from a java properties file according to the specifications in | ||
| # http://docs.oracle.com/javase/7/docs/api/java/util/Properties.html#load(java.io.Reader). | ||
| # This accepts the name of the config and returns the value through JAVA_PROPERTY_VALUE. | ||
| parse_java_property() { | ||
| JAVA_PROPERTY_VALUE=$( \ | ||
| sed "/^[#!]/ d" "conf/spark-defaults.conf" | \ | ||
| grep "$1" | \ | ||
| sed "s/$1//" | \ | ||
| sed "s/^[[:space:]]*[:=]\{0,1\}//" | \ | ||
| sed "s/^[[:space:]]*\(.*\)[[:space:]]*$/\1/g" \ | ||
| ) | ||
| export JAVA_PROPERTY_VALUE | ||
| } | ||
|
|
||
| # Properly escape java options, dealing with whitespace, double quotes and backslashes | ||
| # This accepts a string, and returns the escaped list through ESCAPED_JAVA_OPTS. | ||
| escape_java_options() { | ||
| ESCAPED_JAVA_OPTS=() # return value | ||
| option_buffer="" # buffer for collecting parts of an option | ||
| opened_quotes=0 # whether we are expecting a closing double quotes | ||
| for word in $1; do | ||
| contains_quote=$(echo "$word" | grep \" | grep -v \\\\\") | ||
| if [ -n "$contains_quote" ]; then | ||
| # Flip the bit | ||
| opened_quotes=$(((opened_quotes + 1) % 2)) | ||
| fi | ||
| if [[ $opened_quotes == 0 ]]; then | ||
| ESCAPED_JAVA_OPTS+=("$(echo "$option_buffer $word" | sed "s/^[[:space:]]*//" | sed "s/\([^\\]\)\"/\1/g")") | ||
| option_buffer="" | ||
| else | ||
| option_buffer="$option_buffer $word" | ||
| fi | ||
| done | ||
| # Something is wrong if we ended with open double quotes | ||
| if [[ $opened_quotes == 1 ]]; then | ||
| echo "Java options parse error! Expecting closing double quotes." 1>&2 | ||
| exit 1 | ||
| fi | ||
| export ESCAPED_JAVA_OPTS | ||
| } | ||
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