qt: Backup former GUI settings on `-resetguisettings`
commit723aa1b8752c1d6c6c0a76059c532ebe2f406fc1
authorWladimir J. van der Laan <laanwj@gmail.com>
Fri, 15 Sep 2017 09:50:45 +0000 (15 11:50 +0200)
committerWladimir J. van der Laan <laanwj@gmail.com>
Sat, 23 Sep 2017 07:34:53 +0000 (23 09:34 +0200)
treec76db380e10b0936c8386456dc38c0178fea4e2e
parent09627b1dd41d1151a709d5ead82a924bf59e3d38
qt: Backup former GUI settings on `-resetguisettings`

Writes the GUI settings to `guisettings.bak` in the data directory
before wiping them. This can be used to retroactively troubleshoot
issues (e.g. #11262) where `-resetguisettings` solves the problem.
doc/files.md
src/qt/optionsmodel.cpp