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wrap: Put game-specific $HOME on bwrap command-line before exports

Simon McVittie requested to merge wip/issue63 into master

  • wrap: Put game-specific $HOME on bwrap command-line before exports

    This is how Flatpak behaves, and it's necessary to prevent the game-specific $HOME from being mounted over the top of some of the exports, preventing (for example) ~/.steam from being exposed to the container.

    We only do this for $HOME rather than completely reverting 3a8e939d, so that it won't be a regression for a symlink at /var/tmp.

    If the logical and physical paths to the real $HOME differ, we now also mount the game-specific $HOME onto the real $HOME's physical path, and replicate the logical path's symlinks in the container. This matches how Flatpak works, and avoids a similar regression.

    Fixes: 3a8e939d "pv-wrap: Delay --dir, etc. until after FlatpakExports are processed" Resolves: #63 (closed)

Edited by Simon McVittie

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