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ChuckandClaude Opus 5.5
e1ce7189f1
retry() in one-shot-install.sh used `if ! "$@"; then status=$?`, where $? is the status of the negation -- always 0. A failed command was never retried and retry() reported success, so a failed `git clone` carried on until a later check noticed the missing checkout. It now retries (3 attempts) and returns the command's status. The two apt steps stay non-fatal: warning and continuing is what they effectively did before, and making them fatal would stop installs that work today. A clone that keeps failing stops the install, as it already did, just sooner and with the one-shot's own error message. Both installers granted the web user NOPASSWD root on display_controller.py, start_display.sh and stop_display.sh. Those files are owned by the user after Step 11's chown, so the grant let the web user rewrite them and run them as root, and nothing ever ran them through sudo. Removed from both installers, with a test that every project file granted as root is a root-owned fix_perms helper. Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>