[OE-core] [PATCH] package_manager: Fix BAD_RECOMMENDATIONS for opkg

[Carr, Chris (GE Intelligent Platforms)]

On 26/10/2014 19:37, Paul Barker wrote:
> On 26 October 2014 19:36, Paul Barker <paul at paulbarker.me.uk> wrote:
>> In package_manager.py, when using opkg as the packager, the command 'opkg <args>
>> info <pkg>' is called to get information about each pkg in BAD_RECOMMENDATIONS
>> in a format that can be written to the status file. The 'Status: ...' line is
>> modified and all other lines are passed through. Changing the verbosity level
>> argument for this command will change what it written into the status file.
>> Crucially, with the default verbosity level, no blank lines are being printed by
>> the opkg command and so no blank lines are being written to the status file to
>> separate each package entry.
>>
>> The package parsing code in opkg expects package entries in the status file to
>> be separated by at least one blank line. If no blank line is seen, the next
>> package entry is interpreted as a continuation of the last package entry, but
>> the new values overwrite the old values.
>>
>> So with the default verbosity level, a blank line follows some package entries
>> and these are parsed. The others are dropped due to the lack of blank lines. As
>> the verbosity increases, more debugging messages add blank lines and more
>> packages are parsed.
>>
>> The solution to ensure that this works correctly regardless of the verbosity
>> level is simply add a blank line after the output of 'opkg info' is written to
>> the status file, ensuring that the next package is separated from the current
>> package.
>>
>> [YOCTO #6816]
>>
>> Signed-off-by: Paul Barker <paul at paulbarker.me.uk>
>> Cc: Chris Carr <chris.carr at ge.com>
>> ---
>>  meta/lib/oe/package_manager.py | 4 ++++
>>  1 file changed, 4 insertions(+)
>>
>> diff --git a/meta/lib/oe/package_manager.py b/meta/lib/oe/package_manager.py
>> index ffb83b2..85d7fd4 100644
>> --- a/meta/lib/oe/package_manager.py
>> +++ b/meta/lib/oe/package_manager.py
>> @@ -1408,6 +1408,10 @@ class OpkgPM(PackageManager):
>>                      else:
>>                          status.write(line + "\n")
>>
>> +                # Append a blank line after each package entry to ensure that it
>> +                # is separated from the following entry
>> +                status.write("\n")
>> +
>>      '''
>>      The following function dummy installs pkgs and returns the log of output.
>>      '''
>> --
>> 2.1.2
>>
> 
> Chris, could you give this a test and let us know if it fixes the issue.
> 
> Thanks,
> 

Paul,

I've tried the patch with my build and all the packages in BAD_RECOMMENDATIONS are now being processed correctly and do not appear in the target rootfs.

[My subscription to the OE Core mailing list had quietly expired, so I've re-subscribed to ensure that this reply goes to the list as well]

Chris Carr