bugGNU Octave - Bugs: bug #36830, Create pkg prefix directory, if it...


bug #36830: Create pkg prefix directory, if it does not exist

Submitted by:  None
Submitted on:  Thu 12 Jul 2012 04:48:37 AM UTC  
Category:  None Severity:  3 - Normal
Priority:  5 - Normal Item Group:  None
Status:  Fixed Assigned to:  Jordi Gutiérrez Hermoso <jordigh>
Originator Name:  Rafael Laboissiere Originator Email:  -email is unavailable-
Open/Closed:  Closed Release:  dev
Operating System:  GNU/Linux

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Thu 12 Jul 2012 03:21:29 PM UTC, comment #1: 

Thanks. I edited your patch's metadata a little (fixed your name and slightly reworded the commit message), and I pushed it, along with my own fix for checking if the prefix directory can be created:


Jordi Gutiérrez Hermoso <jordigh>
Project AdministratorIn charge of this item.
Thu 12 Jul 2012 04:48:37 AM UTC, original submission:  

The pkg.m script is smart enough to create the archprefix directory when it is not present in the system (the examples below are run in a Debian GNU/Linux system with Octave 3.6.2 installed):

$ sudo rmdir /usr/lib/i386-linux-gnu/octave/packages/
$ sudo octave --silent --no-history --no-init-file --no-window-system --eval "pkg ('rebuild');"
warning: creating the directory /usr/lib/i386-linux-gnu/octave/packages/

This is not the case for the prefix directory:

$ sudo rmdir /usr/share/octave/packages
$ sudo octave --silent --no-history --no-init-file --no-window-system --eval "pkg ('rebuild');"
error: could not find the file or path /usr/share/octave/packages
error: called from:
error:   /usr/share/octave/3.6.2/m/pkg/pkg.m at line 1234, column 5
error:   /usr/share/octave/3.6.2/m/pkg/pkg.m at line 418, column 16
error:   /usr/share/octave/3.6.2/m/startup/octaverc at line 26, column 1

The trivial patch attached to this bug report fixes this issue.

Note that this problem has been reported as Bug##681064 against the Debian package octave.  In the discussion around that bug report in Debian, Jordi Gutiérrez suggested that the code has to be improved anyway ("What if creating the directory fails? Or do we know at that point that this is a writable location?").  I think I agree with him, but the changes need to be done to both the prefix- and the archprefix-related code in pkg.m



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Attach Files:

Attached Files
file #26182:  create-pkg-prefix-dir.diff added by None (897B - text/x-patch - Patch)


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    Follow 4 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2012-07-12 jordigh StatusNone => Fixed
        Assigned toNone => jordigh
        Open/ClosedOpen => Closed
    2012-07-12 None Attached File- => Added create-pkg-prefix-dir.diff, #26182

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