On MacOS, mount /Users, /private/, /var/folders by default for better docker compat. The homedir on MacOS is /Users/<username>, so that will be mounted automatically anyway with this change.
Docker also mounts /Volumes and /tmp, /Volumes fails with a Too many levels of symbolic links, as Volumes on Mac is just a symlink to / which seems like a bad idea to mount anyway.
/tmp fails because the Podman machine uses the tmp directory inside the machine and writes content to it on boot, causing the mount to fail. However, on Mac, /tmp is symlinked to /private/tmp anyway, so those files are accessible from there.
Signed-off-by: Ashley Cui <acui@redhat.com>
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