[Octave-bug-tracker] [bug #45903] pkg rebuild -global fails if package directory does not exist

[Clemens Buchacher]

URL:
  <http://savannah.gnu.org/bugs/?45903>

                 Summary: pkg rebuild -global fails if package directory does
not exist
                 Project: GNU Octave
            Submitted by: drizzd
            Submitted on: Wed 09 Sep 2015 11:36:20 AM GMT
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.0
        Operating System: GNU/Linux

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Details:

In the absence of any octave forge packages, /usr/share/octave/packages does
not exist (maybe because it is empty it is not created by makepkg or pacman).
In this situation, the following command fails:

> pkg rebuild -global
error: couldn't read directory /usr/share/octave/packages: No such file or
directory
error: called from
rebuild at line 29 column 7
pkg at line 505 column 25

I use pkg rebuild to update the package database after installing or removing
packages. When all octave forge packages are removed, this error appears for
the last package, since at that point /usr/share/octave/packages will also be
removed. It is not possible to update the package database unless one manually
re-creates /usr/share/octave/packages.

A similar bug was reported and fixed in octave here:
bug #36830: Create pkg prefix directory, if it does not exist

I am attaching a patch which checks that the directory exists and if not, it
will update the package database to an empty list (as appropriate). The patch
applies to Octave 4.0.0.




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