* Improve install code to avoid low-level mistakes.
If a user tries to do a re-install in a Gitea database, they gets a warning and double check.
When Gitea runs, it never create empty app.ini automatically.
Also some small (related) refactoring:
* Refactor db.InitEngine related logic make it more clean (especially for the install code)
* Move some i18n strings out from setting.go to make the setting.go can be easily maintained.
* Show errors in CLI code if an incorrect app.ini is used.
* APP_DATA_PATH is created when installing, and checked when starting (no empty directory is created any more).
* Refactor Logger
Refactor Logger to make a logger interface and make it possible to
wrap loggers for specific purposes.
* Refactor Doctor
Move the gitea doctor functions into its own module.
Use a logger for its messages instead of returning a results string[]
Signed-off-by: Andrew Thornton <art27@cantab.net>
* Update modules/doctor/misc.go
Co-authored-by: 6543 <6543@obermui.de>
* Update modules/doctor/misc.go
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
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