D15844: Allow removing non-existent folders from include and exclude lists

[Nathaniel Graham]

ngraham created this revision.
ngraham added reviewers: Baloo, bruns.
Herald added projects: Frameworks, Baloo.
Herald added a subscriber: kde-frameworks-devel.
ngraham requested review of this revision.

REVISION SUMMARY
  Currently, if you add a folder to Baloo's `includeFolders` or `excludeFolders` lists, it cannot be removed again if it has been deleted. This patch fixes that for both `balooctl` and also the KCM.

TEST PLAN
    mkdir ~/foobar-test
    balooctl config add excludeFolders ~/foobar-test
    rmdir ~/foobar-test
    balooctl config remove excludeFolders ~/foobar-test
  
  Without the patch, `balooctl` exits with an error, reports "Path does not exist", and does not remove the entry.
  
  With the patch, `balooctl` exits cleanly with no error and removes the path
  
  Works from the KCM, too.

REPOSITORY
  R293 Baloo

BRANCH
  fix-removing-locations-from-include-and-exclude-lists (branched from master)

REVISION DETAIL
  https://phabricator.kde.org/D15844

AFFECTED FILES
  src/tools/balooctl/configcommand.cpp

To: ngraham, #baloo, bruns
Cc: kde-frameworks-devel, ashaposhnikov, michaelh, astippich, spoorun, ngraham, bruns, abrahams
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