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From "Christian Schulte (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MNG-5852) "mvn" script invokes /bin/sh but requires /bin/bash functions
Date Fri, 18 Dec 2015 19:55:46 GMT

     [ https://issues.apache.org/jira/browse/MNG-5852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Christian Schulte resolved MNG-5852.
------------------------------------
       Resolution: Fixed
    Fix Version/s: 3.4.0

> "mvn" script invokes /bin/sh but requires /bin/bash functions
> -------------------------------------------------------------
>
>                 Key: MNG-5852
>                 URL: https://issues.apache.org/jira/browse/MNG-5852
>             Project: Maven
>          Issue Type: Bug
>          Components: Command Line
>    Affects Versions: 3.3.3
>         Environment: Solaris 11
>            Reporter: Jeffrey Alexander
>            Assignee: Christian Schulte
>             Fix For: 3.4.0
>
>
> The bin/mvn script uses the "local" command which is a shell builtin of bash and similar
shells, but is not required for POSIX-compliance in sh.  When I attempt to run mvn on my Solaris
system, I see the following output:
> $ ./mvn
> ./mvn[200]: local: not found [No such file or directory]
> ./mvn[201]: local: not found [No such file or directory]
> ...
> Lines 200 and 201 invoke "local" to make local variables to the function.  According
to "man bash", this is a shell builtin.  However, bin/mvn is invoked as:
> #!/bin/sh
> On most flavors of linux, this resolves to bash or dash which probably runs in a restricted
environment after checking to see that its $0 is sh. But on Solaris's /bin/sh is actually
ksh93 for backwards compatibility.
> Since "local" is not part of a POSIX-compliant /bin/sh, depending on it in a script that
is invoked with /bin/sh is a bug.



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