KConfig:copyTo + Sync doesn't write to disk (test case)

[Eduardo Robles Elvira]

Hello,

The testcase explains itself, I belive. I create a config file with a group 
with an entry. Then I create another config file (previously deleting it from 
disk), and copy the content of the first group to the one in the new config 
file. Now I sync() the configGroup, but the test fails because the new config 
file is not being written to disk.

The testcase (in the form of a patch for kdelibs/kdecore/tests/) is attached; 
anyone knows why is this happening?
It seems to me that copyTo() doesn't mark the kconfig as "dirty", because if 
before the sync() call I do something like group2.writeEntry("Type", "Test"); 
then the test works (i.e. the file is saved to disk).

Greetings,
        Eduardo Robles Elvira
-- 
"The reasonable man adapts himself to the world; the unreasonable one
persists in trying to adapt the world to himself. Therefore all progress
depends on the unreasonable man." (George Bernard Shaw)
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