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https://issues.apache.org/jira/browse/HADOOP-7598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13094956#comment-13094956
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Robert Joseph Evans commented on HADOOP-7598:
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You are right. I threw the patch together quickly and did not think it through
completely. I will look through the logic more tomorrow.
> smart-apply-patch.sh does not work on some older versions of BASH
> -----------------------------------------------------------------
>
> Key: HADOOP-7598
> URL: https://issues.apache.org/jira/browse/HADOOP-7598
> Project: Hadoop Common
> Issue Type: Bug
> Components: build
> Affects Versions: 0.23.0, 0.24.0
> Reporter: Robert Joseph Evans
> Assignee: Robert Joseph Evans
> Fix For: 0.23.0, 0.24.0
>
> Attachments: HADOOP-7598-v1.patch
>
>
> I don't really know why, but on some versions of bash (including the one I
> use, and is on the build servers)
> bash --version
> GNU bash, version 3.2.25(1)-release (x86_64-redhat-linux-gnu)
> Copyright (C) 2005 Free Software Foundation, Inc.
> The line
> {code}
> elif [[ "$PREFIX_DIRS" =~
> ^(hadoop-common-project|hadoop-hdfs-project|hadoop-mapreduce-project)$ ]];
> then
> {code}
> evaluates to false but if the test is moved out of the elif statement then it
> works correctly.
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