[Bug 264631] New: deleteing last TAG on a picture does actually not remove the tag within the exif metadata

https://bugs.kde.org/show_bug.cgi?id=264631

           Summary: deleteing last TAG on a picture does actually not
                    remove the tag within the exif metadata
           Product: digikam
           Version: 1.4.0
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:           1.4.0
OS:                Linux

XMP metadata updated and correct if addin Tags to a picture, removing also
updates the xmp metadata but when removing the last tag, the tag remains in the
file when viewing its medatadata using exiv2

Reproducible: Always

Steps to Reproduce:
Tried the windows Version 1.7 and on ubuntu 10.10 with the 1.4 version, same
effect.

Actual Results:  
last tag remains in the metadata

Expected Results:  
XMP tga should be empty

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[hidden email]
          Component|general                     |Metadata




--- Comment #1 from Gilles Caulier <caulier gilles gmail com>  2011-01-28 14:33:44 ---
Do you turn on the right option in digiKam/configure Metadata panel ?

Gilles Caulier

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--- Comment #2 from  <poubelle internet lu>  2011-01-28 16:58:15 ---
Well I think so, because when adding tags they will be visible.
Example :
Assigning to A.jpg the tags A/B/C and E/F/G -> using exiv2 both C and G are
there with full path
Removing E/F/G : exiv2 return C with full path A/B/C
Now removing A/B/C : exiv2 still returns C with full path A/B/C
In the sqlite database file however the tags are complety removed. Even when
Selecting   "Write Metadata to all images", the tag A/B/C still remains when
checking with exiv2.

My setting in digiKam/configure : Under Behavious : all checked exept Write
Metadata to RAW files and Update file timestamp when metadata are saved.

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--- Comment #3 from Gilles Caulier <caulier gilles gmail com>  2011-01-28 17:52:24 ---
Can you test with last digiKam 1.8.0, just to be sure that dysfunction is not
yet fixed with current implementation ?

Gilles Caulier

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--- Comment #4 from  <poubelle internet lu>  2011-01-28 17:57:54 ---
Ok I'll try that, it seems that under Ubuntu 10.10 the 1.8 version is available
via ppa so I'll check this out in a VM (don't want to brik my installation).
This could take a while, I'll give you feed back as soon as possible.

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--- Comment #5 from  <poubelle internet lu>  2011-01-28 20:50:11 ---
Hi again, I installed version 1.8.0 and the behaviour is still the same.
By the way, Exiv2 version on my Ubuntu system is 0.19 and on my Windows
installaton 0.21.

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--- Comment #6 from Marcel Wiesweg <marcel wiesweg gmx de>  2011-02-09 21:48:14 ---
SVN commit 1219633 by mwiesweg:

Fix return value for the case that the bag is empty and removeXmpTag is called:
In this case, do not always return false

CCBUG: 264631


 M  +2 -2      kexiv2xmp.cpp  


WebSVN link: http://websvn.kde.org/?view=rev&revision=1219633

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--- Comment #7 from Marcel Wiesweg <marcel wiesweg gmx de>  2011-02-09 21:49:42 ---
With 2.0 from current git, I had a problem that Xmp.lr.hierarchicalSubject was
not removed (because removing Xmp.digiKam.TagsList always returned false), that
is fixed now. Now I cannot reproduce any problem with 2.0.

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--- Comment #8 from Gilles Caulier <caulier gilles gmail com>  2011-02-09 22:28:08 ---
Marcel,

Probably i need to backport this commit into KDE 4.5

Gilles

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--- Comment #9 from Gilles Caulier <caulier gilles gmail com>  2011-02-10 08:45:17 ---
SVN commit 1219685 by cgilles:

backport commit #1219633 from trunk to KDE4.5 branch
CCBUGS: 264631


 M  +2 -2      kexiv2xmp.cpp  


WebSVN link: http://websvn.kde.org/?view=rev&revision=1219685

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
          Component|Metadata                    |libkexiv2
         Resolution|                            |FIXED




--- Comment #10 from Gilles Caulier <caulier gilles gmail com>  2011-02-10 10:50:07 ---
Marcel,

I conform that bug is fixed now.

Gilles Caulier

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--- Comment #11 from Gilles Caulier <caulier gilles gmail com>  2011-02-10 10:55:28 ---
SVN commit 1219697 by cgilles:

backport commit #1219633 from GoSC2010 to trunk (KDE4.7)
CCBUGS: 264631


 M  +2 -2      kexiv2xmp.cpp  


WebSVN link: http://websvn.kde.org/?view=rev&revision=1219697

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--- Comment #12 from Gilles Caulier <caulier gilles gmail com>  2011-02-10 10:58:34 ---
SVN commit 1219698 by cgilles:

backport commit #1219633 from GoSC2010 to KDE4.6 branch
CCBUGS: 264631


 M  +2 -2      kexiv2xmp.cpp  


WebSVN link: http://websvn.kde.org/?view=rev&revision=1219698

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           What    |Removed                     |Added
----------------------------------------------------------------------------
   Version Fixed In|                            |1.9.0

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