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punktfunk/packaging/linux/punktfunk-update.service
T
enricobuehlerandClaude Fable 5 06a249e49f feat(host/linux): opt-in one-click updates — the pf-update root helper, group-scoped polkit grant, per-PM legs
The U2 leg of planning:host-update-from-web-console.md. A new dep-free root helper
(crates/pf-update) runs the distro package manager against the INSTALLED punktfunk
packages — apt (index refresh scoped to our list when present), dnf, rpm-ostree
(single-transaction re-resolve, reported staged), sysext (the proven signed-feed
updater), pacman only behind the explicit PACMAN_FULL_SYSUPGRADE opt-in — then the
run-the-binary gate, then a root-written result record. Zero attacker-influenceable
parameters end to end: fixed ExecStart oneshot (punktfunk-update.service), polkit rule
scoped to that one unit's start verb for the shipped-EMPTY punktfunk-update group
(joining it is the auditable opt-in; every postinst creates it, none populate it).
The host starts the unit, interprets the record (staged / nothing-newer-yet / changed),
and crosses its own restart on the same intent/reconcile machinery as the Windows leg.
Status now reports staged results and the opt-in hint.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-30 15:55:27 +02:00

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Desktop File

# The web-console-triggered host update, as a root oneshot (planning:
# host-update-from-web-console.md §7). Started — never enabled — by the unprivileged host via
# `systemctl start punktfunk-update.service`, authorized by the polkit rule
# (49-punktfunk-update.rules) for members of the `punktfunk-update` group. systemd gives us
# single-flight (a second start while active fails) and journal capture for free; the helper
# writes its machine-readable outcome to /var/lib/punktfunk/update-result.json.
[Unit]
Description=punktfunk host update (root helper)
# Network is a hard prerequisite for every leg (package manager / sysext feed).
Wants=network-online.target
After=network-online.target
[Service]
Type=oneshot
ExecStart=/usr/libexec/punktfunk/pf-update apply
# The helper drives the distro package manager, which needs the real system — no sandboxing
# directives here on purpose; the constraint is the FIXED ExecStart (no parameters exist).