Campbell Barton dc9430c480 Extensions: support system repositories & BLENDER_SYSTEM_EXTENSIONS ... Support for "System" extensions as an alternative to the current "User" extensions repository. The purpose of this change is to support bundling extensions for offline work or in environments where users setting up thier own extensions isn't desirable, see #122512. Details: The default "System" repository on Linux will for example use: - `/usr/share/blender/4.2/extensions/{system}` For system installs. - `./4.2/extensions/{system}` For portable installs. - Blender's default startup now has a "System" repository which users or administrators may populate. - Repositories can select between User/System paths, setting a custom path overrides overrides this setting. - Add "BLENDER_SYSTEM_EXTENSIONS" (matching "BLENDER_LOCAL_EXTENSIONS"). Ref !122832		2024-06-07 11:36:20 +10:00
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system