Kent Yao
authored
[SPARK-23383][BUILD][MINOR] Make a distribution should exit with usage while detecting wrong options ## What changes were proposed in this pull request? ```shell ./dev/make-distribution.sh --name ne-1.0.0-SNAPSHOT xyz --tgz -Phadoop-2.7 +++ dirname ./dev/make-distribution.sh ++ cd ./dev/.. ++ pwd + SPARK_HOME=/Users/Kent/Documents/spark + DISTDIR=/Users/Kent/Documents/spark/dist + MAKE_TGZ=false + MAKE_PIP=false + MAKE_R=false + NAME=none + MVN=/Users/Kent/Documents/spark/build/mvn + (( 5 )) + case $1 in + NAME=ne-1.0.0-SNAPSHOT + shift + shift + (( 3 )) + case $1 in + break + '[' -z /Users/Kent/.jenv/candidates/java/current ']' + '[' -z /Users/Kent/.jenv/candidates/java/current ']' ++ command -v git + '[' /usr/local/bin/git ']' ++ git rev-parse --short HEAD + GITREV=98ea6a7 + '[' '!' -z 98ea6a7 ']' + GITREVSTRING=' (git revision 98ea6a7)' + unset GITREV ++ command -v /Users/Kent/Documents/spark/build/mvn + '[' '!' /Users/Kent/Documents/spark/build/mvn ']' ++ /Users/Kent/Documents/spark/build/mvn help:evaluate -Dexpression=project.version xyz --tgz -Phadoop-2.7 ++ grep -v INFO ++ tail -n 1 + VERSION=' -X,--debug Produce execution debug output' ``` It is better to declare the mistakes and exit with usage than `break` ## How was this patch tested? manually cc srowen Author: Kent Yao <yaooqinn@hotmail.com> Closes #20571 from yaooqinn/SPARK-23383.
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