Moved the `FileSettings` out of the `Settings` and pass them around
explicitly. They can never be specified at the same time and are used
exclusively. The code hasn't been fully adjusted to reflect this as this
is only the refactoring without any functional changes.
`ImportProject` is not needed outside of the command-line parsing so we
do not need it inside the `Settings` at all. We only use the
`fileSettings` in the executors.
Qt 5.15 will be EOL on May 26 so we should start switching away from it.
We already have issues with many of the previous versions and qmake on
legacy distros so we should cut that off.
I will add a Qt6 release build for Windows in another PR so it can be
tested. We should switch to it as the delivered build after the next
release and stop using Qt5 altogether in the CI in the release
afterwards (that would get rid of several build steps). We could leave
it so you could still try to build it but no longer support it so it is
up to the user to get it to work before removing it completely later on.
Currently the `AddonInfo` is generated and discarded on each addon
invocation. This leads to an unnecessary process invocation for each
addon on each file.
Also if an addon is completely broken we will still perform the whole
analysis only for it to be failed at the end so we should bail out early
if we know it doesn't work at all.
This makes the code much more readable. It also makes it less prone to
errors because we do not need to specify the length of the string to
match and the returnvalue is clear.
The code with the bad returnvalue check was never executed and I added a
test to show that.
QT 5 is now completely EOL and since we never supported Qt6 in qmake
which also has various shortcomings, it is time to at least deprecate it
and direct users to CMake instead.
Seems current code for worker threads termination is too brutal which
leads to crash on termination:
```
QThread::start: Thread termination error: No such process
Segmentation fault (core dumped)
```
Seems better to use `quit()` and `wait()`, like in an example:
https://doc.qt.io/qt-6/qthread.html#details
tested: Ubuntu Linux 20
This is a mess. The version is AUR is still outdated and also doesn't
install anymore. Fedora 38 carries the latest version of it so use that
now. Keep the old steps in case we need to switch again in the future.