fix(tests): symlink tmp dir to avoid cross-device errors on Linux tmpfs#293
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DorianZheng merged 1 commit intomainfrom Feb 23, 2026
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Integration tests fail on Linux when /tmp is a tmpfs (different device) because validate_same_filesystem() rejects the mixed device layout. Add tmp to the symlinked directories in warm_home() and warm_dir() so all runtime dirs (images, rootfs, tmp) resolve to the same filesystem.
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Summary
/tmpis a tmpfs (device 35) while the project directory is on a real disk (device 66305)validate_same_filesystem()rejects the mixed-device layout becausetmpstays on tmpfs whileimagesandrootfsare symlinked totarget/tmpto the symlinked directories in bothwarm_home()andwarm_dir()so all runtime dirs resolve to the same filesystemTest plan
boxlite-dev): zero "same filesystem" errors after fixcargo clippy --testscleancargo check --testsclean