Three things a volunteer should never have to see. Sway was drawing its own title bar above Chrome's tab strip, which already carries the window controls. Verified on a real session: Chrome is an xdg_shell client with app_id "google-chrome" and sway was giving it border "normal". A scoped rule removes the compositor decoration only — Chrome keeps its tabs and address bar, stays a normal window, and still maximises and minimises. A class rule covers an XWayland fallback. Nothing else changes: the only other window in this classroom is VLC, which is already borderless, so no broader rule is warranted. "Restore pages? Chrome didn't shut down correctly" is suppressed with --hide-crash-restore-bubble. Note the name. The switch this was going to use, --disable-session-crashed-bubble, is not present in Chrome 152 at all — checked against the strings of the installed binary — so it would have silently done nothing. That hides the prompt; the profile was still being marked as crashed, which is the untidy half. Chrome's browser process shuts down cleanly on SIGTERM, so a shutdown unit now gives it one and waits up to eight seconds before the session is torn out from under it. Best effort by construction: a shutdown that will not finish is far worse than a crash flag. Password prompts go off with the PasswordManagerEnabled policy, on the path the classroom already manages. Existing profile and session data are untouched, and website logins are unaffected: Wonder Ink and YouTube stay signed in. Co-Authored-By: Claude Opus 5 <[email protected]>
62 lines
1.7 KiB
Bash
Executable File
62 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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set -uo pipefail
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# Closes Chrome properly before the machine goes down.
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#
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# Chrome marks a profile as crashed when it does not get to run its own
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# shutdown, which is what produces "Restore pages? Chrome didn't shut
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# down correctly" on the next boot. The browser process handles SIGTERM
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# by shutting down cleanly, so it is worth giving it one and waiting a
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# moment before the session is torn out from under it.
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#
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# --hide-crash-restore-bubble already hides the prompt. This stops the
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# profile being marked crashed at all, which is the tidier half of the
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# same problem.
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#
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# Run from ekklesia-classroom-shutdown.service. Never fails: a shutdown
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# that will not finish is far worse than a crash flag.
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CLASSROOM_USER=classroom
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WAIT_SECONDS=8
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log() {
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echo "[classroom-shutdown] $1"
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}
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browser_processes() {
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# Only the browser process, not its renderers: those carry --type=
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# and are Chrome's own business to reap.
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local pid
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for pid in $(pgrep -u "$CLASSROOM_USER" -x chrome 2>/dev/null); do
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# Braces so a process exiting between pgrep and this read is
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# silent: bash reports a failed redirection itself, before the
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# command's own stderr redirect can catch it.
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if ! { tr '\0' '\n' < "/proc/$pid/cmdline"; } 2>/dev/null |
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grep -q '^--type='; then
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echo "$pid"
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fi
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done
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}
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pids="$(browser_processes)"
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if [[ -z "$pids" ]]; then
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exit 0
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fi
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log "asking Chrome to close"
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# shellcheck disable=SC2086
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kill -TERM $pids 2>/dev/null || true
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for _ in $(seq 1 $((WAIT_SECONDS * 5))); do
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if [[ -z "$(browser_processes)" ]]; then
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log "Chrome closed cleanly"
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exit 0
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fi
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sleep 0.2
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done
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log "Chrome did not close in time; leaving it to systemd"
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exit 0
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