Files
tsunagi/crates/tsunagi-cli
UltradesuandClaude Opus 4.8 63178574ce
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Package as a dedicated tsunagi user; add Arch packages
Reworks the Linux packaging so the service runs as an unprivileged, dedicated
"tsunagi" user instead of root — the point of a native package is to set things
up properly for that OS's users — and adds Arch Linux packages beside the deb.
Both package families are built from the already-compiled static binary; nothing
is recompiled.

Service model (shared systemd unit, dist/linux/tsunagi.service):
- User=tsunagi with AmbientCapabilities=CAP_NET_ADMIN CAP_NET_BIND_SERVICE, so
  it creates the TUN and binds low ports without root.
- StateDirectory/CacheDirectory/RuntimeDirectory give it /var/lib/tsunagi,
  /var/cache/tsunagi and /run/tsunagi, and the agent is pointed at them (and the
  socket at /run/tsunagi/agent.sock) through TSUNAGI_* env in the unit.
- The polkit rule now grants the resolve1 actions to the "tsunagi" group; the
  service user is in it, and admins can add themselves.

CLI: when no state dir is chosen, the control commands prefer the system
service's socket at /run/tsunagi/agent.sock when it exists, so `sudo tsunagi
status`/`join` reach the packaged daemon with no flags. A per-user agent (its
socket absent from /run) still uses its own.

Packaging:
- deb (build-deb.sh): postinst now creates the tsunagi system user+group; unit
  installed to /lib/systemd/system, binary to /usr/bin.
- Arch (new dist/arch/build-pkg.sh): a dependency-free .pkg.tar.zst assembled
  with bsdtar + zstd (no makepkg, no Arch host) — .PKGINFO, a .INSTALL scriptlet
  that creates the user and reloads systemd, and a gzipped .MTREE; unit to
  /usr/lib/systemd/system.
- The polkit rule moved to dist/linux (shared by deb, Arch and the tarball), and
  the tarball install.sh now creates the user and installs the unit + rule.
- Both release workflows build the deb and the Arch package on the two Linux
  matrix entries (deb_arch/pkg_arch), install libarchive-tools+zstd for it, and
  attach both to the release (Gitea API loop / gh).

Not exercised in this session: the .deb and .pkg.tar.zst build and install only
on Linux (no dpkg-deb/bsdtar+pacman locally); CLI build, clippy, fmt and tests
pass, and all shell/YAML is syntax-checked.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-10-02 13:46:27 +01:00
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