ps5upload/LICENSES/UnRAR-exception.md

UnRAR linking exception (and required notice)

ps5upload is licensed under GPL-3.0-or-later (see ../LICENSE). Its .rar support is built on the UnRAR source code (bundled and compiled into the desktop ps5upload-engine binary via the unrar / unrar_sys crates). UnRAR is only used to extract RAR archives — ps5upload does not, and the UnRAR code here may not, be used to compress RAR or build a RAR-compatible archiver.

UnRAR's own license is reproduced verbatim in UnRAR-license.txt. It is compatible with permissive use but adds a field-of-use restriction that the GPL would otherwise forbid combining with GPL code (GPLv3 §7). To resolve that, the copyright holder grants the following additional permission. (All GPL-3.0 code in the desktop engine is authored by the ps5upload project — there is no third-party GPL code linked with UnRAR — so this grant can be made directly.)

Additional permission under GNU GPL version 3 section 7

As a special exception, the copyright holders of ps5upload give you permission to combine ps5upload with the UnRAR source code (and the unrar / unrar_sys Rust crates that bundle it), and to convey the resulting work. You may extend this exception to your version of ps5upload, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.

Required UnRAR notice (UnRAR license, paragraph 2)

Reproduced as required, verbatim:

UnRAR source code may be used in any software to handle RAR archives without limitations free of charge, but cannot be used to develop RAR (WinRAR) compatible archiver and to re-create RAR compression algorithm, which is proprietary. Distribution of modified UnRAR source code in separate form or as a part of other software is permitted, provided that full text of this paragraph, starting from "UnRAR source code" words, is included in license, or in documentation if license is not available, and in source code comments of resulting package.

Scope notes

• RAR is desktop-only: the UnRAR C++ does not link against Android's wide-char libc/libc++, so the dependency is target-gated to non-Android targets. The Android build contains no UnRAR code and is unaffected by this exception.
• The on-PS5 payload (which contains GPL-3.0 code vendored from ps5-payload-dev) is a separate binary from the engine and does not link with UnRAR — it is mere aggregation, not a combined work.