2013-07-17 20:51:18 -04:00
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#!/usr/bin/env bash
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2013-07-16 20:21:33 -04:00
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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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2013-06-25 14:14:21 -04:00
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#
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# Shell script for starting the Spark Shell REPL
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2013-12-15 21:39:30 -05:00
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cygwin=false
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case "`uname`" in
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2014-08-24 12:43:44 -04:00
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CYGWIN*) cygwin=true;;
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2013-12-15 21:39:30 -05:00
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esac
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2013-07-16 20:21:33 -04:00
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2013-07-17 20:51:18 -04:00
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# Enter posix mode for bash
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set -o posix
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2015-03-11 04:03:01 -04:00
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export FWDIR="$(cd "`dirname "$0"`"/..; pwd)"
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2015-06-05 08:32:00 -04:00
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export _SPARK_CMD_USAGE="Usage: ./bin/spark-shell [options]"
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2014-04-25 02:59:16 -04:00
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2014-12-10 15:24:04 -05:00
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# SPARK-4161: scala does not assume use of the java classpath,
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2015-03-11 04:03:01 -04:00
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# so we need to add the "-Dscala.usejavacp=true" flag manually. We
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2014-12-10 15:24:04 -05:00
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# do this specifically for the Spark shell because the scala REPL
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# has its own class loader, and any additional classpath specified
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# through spark.driver.extraClassPath is not automatically propagated.
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SPARK_SUBMIT_OPTS="$SPARK_SUBMIT_OPTS -Dscala.usejavacp=true"
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2014-08-10 00:10:43 -04:00
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function main() {
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2014-08-24 12:43:44 -04:00
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if $cygwin; then
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# Workaround for issue involving JLine and Cygwin
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# (see http://sourceforge.net/p/jline/bugs/40/).
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# If you're using the Mintty terminal emulator in Cygwin, may need to set the
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# "Backspace sends ^H" setting in "Keys" section of the Mintty options
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# (see https://github.com/sbt/sbt/issues/562).
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stty -icanon min 1 -echo > /dev/null 2>&1
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export SPARK_SUBMIT_OPTS="$SPARK_SUBMIT_OPTS -Djline.terminal=unix"
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2015-07-22 19:15:44 -04:00
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"$FWDIR"/bin/spark-submit --class org.apache.spark.repl.Main --name "Spark shell" "$@"
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2014-08-24 12:43:44 -04:00
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stty icanon echo > /dev/null 2>&1
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else
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export SPARK_SUBMIT_OPTS
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2015-07-22 19:15:44 -04:00
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"$FWDIR"/bin/spark-submit --class org.apache.spark.repl.Main --name "Spark shell" "$@"
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2014-08-24 12:43:44 -04:00
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fi
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2014-03-29 22:49:22 -04:00
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}
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2013-06-25 02:55:09 -04:00
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# Copy restore-TTY-on-exit functions from Scala script so spark-shell exits properly even in
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# binary distribution of Spark where Scala is not installed
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exit_status=127
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saved_stty=""
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# restore stty settings (echo in particular)
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function restoreSttySettings() {
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stty $saved_stty
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saved_stty=""
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}
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function onExit() {
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if [[ "$saved_stty" != "" ]]; then
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restoreSttySettings
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fi
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exit $exit_status
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}
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# to reenable echo if we are interrupted before completing.
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trap onExit INT
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# save terminal settings
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saved_stty=$(stty -g 2>/dev/null)
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# clear on error so we don't later try to restore them
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if [[ ! $? ]]; then
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saved_stty=""
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fi
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2014-04-28 20:29:22 -04:00
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main "$@"
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2013-06-25 02:55:09 -04:00
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# record the exit status lest it be overwritten:
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# then reenable echo and propagate the code.
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exit_status=$?
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onExit
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2014-03-29 22:49:22 -04:00
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