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Gert Pellin - GPE
1d31c230c9
The desktop app installed no logger, so every log::warn!/log::error! in the workspace was discarded: a failed autosave, a page that would not render, a render worker that could not start. A launch from a desktop menu has no terminal either, so there was nothing to attach to a bug report. apps/pdfcraft/src/logging.rs (no new dependency besides log): - standard error plus <settings dir>/logs/pdfcraft.log, next to app.ron (Linux $XDG_DATA_HOME/pdfcraft); each launch rotates the previous log to pdfcraft.1.log and .2.log, so the log of a run that crashed survives the next start; the file is capped at 16 MiB - records logged before the settings directory is known are buffered (bounded) and written once the file is attached - default levels: info for pdfcraft*, warn for everything else; RUST_LOG replaces them with env_logger-style directives - never panics: an unusable directory or a failed write leaves standard error as the only sink The logger is installed first in main, so the panic hook's report is recorded too; the start-up messages in main go through it. The file is opened after argument parsing (--version leaves no file) and after the PrintCraft folder migration, which a fresh settings folder would block. Documented in docs/development.md (Logs, environment variables).