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From "Karl Heinz Marbaise (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MNG-5882) Nonportable shell constructs cause bin/mvn errors on Debian
Date Sun, 08 Nov 2015 14:08:11 GMT

     [ https://issues.apache.org/jira/browse/MNG-5882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Karl Heinz Marbaise updated MNG-5882:
-------------------------------------
    Fix Version/s: 3.3.8

> Nonportable shell constructs cause bin/mvn errors on Debian
> -----------------------------------------------------------
>
>                 Key: MNG-5882
>                 URL: https://issues.apache.org/jira/browse/MNG-5882
>             Project: Maven
>          Issue Type: Bug
>          Components: Command Line
>    Affects Versions: 3.3.3
>         Environment: debian/unstable with dash 0.5.7-4+b1 amd64
> Apache Maven 3.3.3 (7994120775791599e205a5524ec3e0dfe41d4a06; 2015-04-22T23:57:37+12:00)
> Maven home: /home/ben/java/maven
> Java version: 1.7.0_79, vendor: Oracle Corporation
> Java home: /usr/lib/jvm/java-7-openjdk-amd64/jre
> Default locale: en_GB, platform encoding: UTF-8
> OS name: "linux", version: "4.1.0-2-amd64", arch: "amd64", family: "unix"
>            Reporter: Ben Caradoc-Davies
>             Fix For: 3.3.8
>
>         Attachments: mvn-dash.patch
>
>
> bin/mvn includes both local and export commands that perform assignment but do not protect
against word splitting. These cause failures on Debian when run in a path with spaces because
/bin/sh is dash which performs word splitting for assignment in local and export commands.
See discussion here:
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=598239
> "Bash and others treat 'local' (just like export, etc) differently, but it's a known
shell portability issue."
> For example, in this working directory:
> {noformat}
> /home/ben/geoserver/src with spaces/geotools
> {noformat}
> Running bin/mvn results in:
> {noformat}
> $ mvn [options]
> /home/ben/java/maven/bin/mvn: 200: local: spaces/geotools: bad variable name
> [...]
> {noformat}
> Moving the two local commands in find_maven_basedir to their own lines leaves:
> {noformat}
> $ mvn [options]
> /home/ben/java/maven/bin/mvn: 221: export: spaces/geotools: bad variable name
> {noformat}
> So the export command for MAVEN_PROJECTBASEDIR is also affected, and needs to be moved
to the following line. This is a regression because bin/mvn from Maven 3.2.5 worked just fine
on Debian in this working directory. Both problems are fixed in the attached patch.
> Another workaround is to change the bin/mvn interpreter from /bin/sh to /bin/bash.



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