D16267: [Extractor] Improve commandline debugging, forward stderr

[Stefan Brüns]

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

REVISION SUMMARY
  In case baloo_file is started from an interactive shell/tty, the debug
  output no longer goes to the syslog/journal, but to stderr. Make sure
  stderr does not end up in the stdin of the parent process but is forwarded.

TEST PLAN
  start baloo_file from the shell, with debugging enabled:
  `QT_LOGGING_RULES='org.kde.baloo=true' PATH=./bin ./bin/baloo_file`
  -> debug output from the extractor appears on stderr

REPOSITORY
  R293 Baloo

BRANCH
  mimetype_handling

REVISION DETAIL
  https://phabricator.kde.org/D16267

AFFECTED FILES
  src/file/extractorprocess.cpp

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