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feat(packaging): Fedora/Bazzite packaging — COPR RPM, bootc image, gamescope-default config

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Roadmap #3 (install on other devices). Bazzite already ships gamescope + PipeWire + the
NVIDIA stack, so the host slots in with minimal new deps (ffmpeg-libs from RPM Fusion + opus
+ libei).

- packaging/rpm/punktfunk.spec — builds punktfunk-host from source (cargo), installs the
  binary + udev rule + systemd user unit + headless helpers; Requires/Recommends mapped from
  the Ubuntu bootstrap deps to Fedora.
- packaging/bootc/Containerfile — layer punktfunk into a bazzite-nvidia bootc image for
  atomic, image-based installs.
- packaging/bazzite/host.env — gamescope-default appliance config (spawned per session).
- packaging/copr/ + packaging/README.md — COPR build-from-SCM settings + install docs
  (rpm-ostree and bootc paths), and why not Flatpak.
- LICENSE-MIT + LICENSE-APACHE — materialize the declared `MIT OR Apache-2.0` (was unfiled);
  the RPM ships them.

Not buildable on the Ubuntu dev box (no rpm tooling) — the COPR/Fedora build is operator-run;
all spec-referenced files verified present and the cargo build is green.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Enrico Bühler
2026-06-10 22:29:01 +00:00
parent 0755c823a5
commit 23bb814bac
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LICENSE-APACHE
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packaging/README.md
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# Packaging punktfunk for Fedora / Bazzite
The punktfunk host is Linux-only and links system FFmpeg (NVENC), PipeWire, Opus and
the NVIDIA driver. This directory packages it for the **Fedora Atomic / Bazzite** world
(rpm-ostree + bootc), where most of those deps are already present.
```
packaging/
rpm/punktfunk.spec # the RPM (builds punktfunk-host from source with cargo)
bazzite/host.env # gamescope-default config for a Bazzite appliance
bootc/Containerfile # bake punktfunk into a Bazzite-based atomic image
copr/ # COPR build-from-SCM settings
```
## What's needed beyond base Fedora
| Dependency | Where it comes from |
|---|---|
| `ffmpeg-libs` with **NVENC** | **RPM Fusion nonfree** (`ffmpeg`, not `ffmpeg-free`) |
| NVIDIA driver (`libnvidia-encode`, `libEGL_nvidia`) | Bazzite **-nvidia** images ship it; plain Fedora: `akmod-nvidia` + `xorg-x11-drv-nvidia-cuda` |
| gamescope, PipeWire, wireplumber | **Bazzite ships these**; plain Fedora: `dnf install gamescope pipewire wireplumber` |
| `opus`, `libei` | Fedora base / updates |
On **Bazzite** the only genuinely new runtime bits are `ffmpeg-libs` (RPM Fusion) + `opus` +
`libei` — the rest of the stack is already there. The default backend is **gamescope**
(`packaging/bazzite/host.env`), which the host spawns headless per session — no desktop login.
## Option A — COPR (per-host, `rpm-ostree install`)
1. Create a COPR project, enable **build-from-SCM** pointing at this repo, spec path
`packaging/rpm/punktfunk.spec` (see `copr/README.md`). Under *External Repositories* add
RPM Fusion nonfree so `ffmpeg-devel` resolves at build time.
2. On the Bazzite host:
```sh
# RPM Fusion (for the NVENC ffmpeg) — usually already enabled on Bazzite
rpm-ostree install \
https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm \
https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
# enable the COPR + install punktfunk
sudo wget -O /etc/yum.repos.d/_copr_punktfunk.repo \
https://copr.fedorainfracloud.org/coprs/enricobuehler/punktfunk/repo/fedora-$(rpm -E %fedora)/
rpm-ostree install punktfunk
systemctl reboot
```
## Option B — bootc (image-based, atomic)
Layer punktfunk into a Bazzite image once, then rebase any number of hosts onto it — no
per-host drift. See `bootc/Containerfile`:
```sh
podman build -t ghcr.io/<you>/bazzite-punktfunk -f packaging/bootc/Containerfile .
podman push ghcr.io/<you>/bazzite-punktfunk
# on the target:
sudo bootc switch ghcr.io/<you>/bazzite-punktfunk && systemctl reboot
```
## First-run setup (either option)
```sh
sudo usermod -aG input "$USER" # virtual gamepads need /dev/uinput (then re-login)
mkdir -p ~/.config/punktfunk
cp /usr/share/punktfunk/host.env.bazzite ~/.config/punktfunk/host.env # edit (gamescope app, etc.)
systemctl --user enable --now punktfunk-host
```
Pair a stock Moonlight client (mDNS-discovered), or connect the native punktfunk/1 client.
## Why not Flatpak?
The host needs unsandboxed access the zero-copy NVENC path, `/dev/uinput`, the PipeWire
graph and the compositor's privileged protocols — a Flatpak sandbox fights all of these.
An RPM (or the bootc layer) installs into the host system where those just work.
## Building the SRPM/RPM locally (Fedora only)
```sh
git archive --format=tar.gz --prefix=punktfunk-0.0.1/ -o ~/rpmbuild/SOURCES/punktfunk-0.0.1.tar.gz HEAD
rpmbuild -ba packaging/rpm/punktfunk.spec # needs the BuildRequires from the spec
```
(Not buildable on Debian/Ubuntu — use a Fedora toolbox/container or COPR.)
packaging/bazzite/host.env
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# punktfunk host config for Bazzite (~/.config/punktfunk/host.env).
#
# Bazzite ships gamescope, PipeWire and the NVIDIA driver, so the default backend here is
# gamescope: the host spawns a headless gamescope per session at the client's exact mode and
# captures its PipeWire node — no separate desktop session to bring up. Set PUNKTFUNK_GAMESCOPE_APP
# to what you want to run inside it (e.g. `steam -gamepadui` for a SteamOS-like couch session).
XDG_RUNTIME_DIR=/run/user/1000
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
# gamescope backend: spawned per session, no compositor login required.
PUNKTFUNK_COMPOSITOR=gamescope
PUNKTFUNK_VIDEO_SOURCE=virtual
PUNKTFUNK_GAMESCOPE_APP=steam -gamepadui
# gamescope hosts its own EIS input socket — input lands in the nested session.
PUNKTFUNK_INPUT_BACKEND=gamescope
# GPU zero-copy capture (dmabuf -> CUDA -> NVENC). Auto-falls back to CPU if unavailable.
PUNKTFUNK_ZEROCOPY=1
#RUST_LOG=info
# To drive the full Plasma/GNOME desktop instead of a nested gamescope, switch to:
# PUNKTFUNK_COMPOSITOR=kwin (and run inside a KDE session — WAYLAND_DISPLAY/XDG_CURRENT_DESKTOP set)
# PUNKTFUNK_INPUT_BACKEND=libei
packaging/bootc/Containerfile
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# bootc / OCI image layer that bakes punktfunk into a Bazzite-based atomic image.
#
# Bazzite is already a bootc image (Fedora Atomic + gamescope + PipeWire + the NVIDIA
# stack), so we layer punktfunk on top: enable RPM Fusion (for the NVENC ffmpeg) and our
# COPR, install the package, and pre-enable the udev rule. Build + push this image, then
# `bootc switch` (or rebase) a Bazzite host onto it for an image-based, atomic install —
# no per-host `rpm-ostree install` drift.
#
# podman build -t ghcr.io/<you>/bazzite-punktfunk -f packaging/bootc/Containerfile .
# podman push ghcr.io/<you>/bazzite-punktfunk
# # on the target Bazzite host:
# sudo bootc switch ghcr.io/<you>/bazzite-punktfunk # then reboot
#
# Pick the base tag that matches your hardware (NVIDIA shown). See ublue-os/bazzite tags.
ARG BASE_IMAGE=ghcr.io/ublue-os/bazzite-nvidia:stable
FROM ${BASE_IMAGE}
# COPR project that hosts the punktfunk RPM (see packaging/copr/README). Override at build.
ARG PUNKTFUNK_COPR=enricobuehler/punktfunk
# RPM Fusion nonfree provides the NVENC-capable ffmpeg-libs punktfunk records/encodes with.
# (Bazzite usually has RPM Fusion enabled already; this is belt-and-suspenders.)
RUN dnf5 -y install \
https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm \
https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm \
|| true
# Enable our COPR and install punktfunk.
RUN dnf5 -y copr enable ${PUNKTFUNK_COPR} && \
dnf5 -y install punktfunk && \
dnf5 -y copr disable ${PUNKTFUNK_COPR} && \
dnf5 clean all
# The udev rule + systemd *user* unit ship in the RPM; nothing else to enable at image
# build time (the host runs per-user in the graphical session, enabled with
# `systemctl --user enable --now punktfunk-host` after first boot).
# bootc image hygiene: the container build must leave a clean ostree commit.
RUN ostree container commit
packaging/copr/README.md
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# COPR build-from-SCM settings
COPR builds the RPM from this git repo (no manual SRPM upload). Configure the project
once in the COPR web UI (or with `copr-cli`):
**Project → New Build → SCM**
- Clone URL: `https://git.unom.io/unom/punktfunk`
- Committish: `main` (or a release tag)
- Subdirectory: *(repo root)*
- Spec File: `packaging/rpm/punktfunk.spec`
- Source build method: `rpkg` (or `make_srpm`)
**Project settings**
- Chroots: `fedora-41-x86_64`, `fedora-42-x86_64` (match your Bazzite Fedora base;
`rpm -E %fedora` on the host tells you which). Add `aarch64` if needed.
- External repositories (so `ffmpeg-devel` resolves at build time):
`https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$releasever.noarch.rpm`
and the matching `-free-` repo.
- Enable network during build (cargo fetches crates from crates.io) — COPR allows this by
default.
`copr-cli` equivalent:
```sh
copr-cli create punktfunk --chroot fedora-42-x86_64 \
--repo 'https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$releasever.noarch.rpm' \
--repo 'https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$releasever.noarch.rpm'
copr-cli buildscm punktfunk \
--clone-url https://git.unom.io/unom/punktfunk \
--commit main --spec packaging/rpm/punktfunk.spec --method rpkg
```
Note: COPR caps build time/RAM; a full `cargo build --release` of the host (FFmpeg/PipeWire
sys-crates + aws-lc-rs) is heavy but within the default COPR limits. If a chroot OOMs, lower
parallelism with `CARGO_BUILD_JOBS` in the spec's `%build`.
packaging/rpm/punktfunk.spec
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################################################################################
# punktfunk — low-latency desktop/game streaming host (RPM for Fedora / Bazzite)
#
# Builds `punktfunk-host` from source with cargo and installs the binary, the
# uinput udev rule (virtual gamepads), the systemd *user* unit, and the headless
# session helpers. Designed for COPR (build-from-SCM): COPR clones the repo and
# runs this spec; `cargo build` fetches crates over the network (COPR allows it).
#
# DEPENDENCIES NOT IN BASE FEDORA:
# * ffmpeg / ffmpeg-libs with NVENC — from RPM Fusion *nonfree*. Enable it in
# the COPR project (External Repositories) and on the target host.
# * The NVIDIA driver (libnvidia-encode / libEGL_nvidia) — present on Bazzite's
# -nvidia images; on plain Fedora install akmod-nvidia + xorg-x11-drv-nvidia-cuda.
#
# Bazzite already ships gamescope, PipeWire and the NVIDIA stack, so on Bazzite the
# only new runtime bits are ffmpeg-libs (RPM Fusion) + opus + libei.
################################################################################
Name: punktfunk
Version: 0.0.1
Release: 1%{?dist}
Summary: Low-latency desktop/game streaming host (Moonlight-compatible + punktfunk/1)
License: MIT OR Apache-2.0
URL: https://git.unom.io/unom/punktfunk
# COPR SCM builds provide the checkout; for a tarball build, drop a git archive here:
Source0: %{name}-%{version}.tar.gz
# punktfunk-host is Linux-only and links system FFmpeg/PipeWire/Opus.
ExclusiveArch: x86_64 aarch64
# --- Build toolchain ---------------------------------------------------------
BuildRequires: cargo
BuildRequires: rust
BuildRequires: gcc
BuildRequires: gcc-c++
BuildRequires: clang
BuildRequires: clang-devel
BuildRequires: cmake
BuildRequires: nasm
BuildRequires: pkgconfig
BuildRequires: systemd-rpm-macros
# Link-time system libraries (the -sys crates probe these via pkg-config):
BuildRequires: pkgconfig(libpipewire-0.3)
BuildRequires: pkgconfig(libspa-0.2)
BuildRequires: pkgconfig(wayland-client)
BuildRequires: pkgconfig(xkbcommon)
BuildRequires: pkgconfig(opus)
# FFmpeg dev headers with NVENC — from RPM Fusion (ffmpeg-devel), NOT ffmpeg-free.
BuildRequires: pkgconfig(libavcodec)
BuildRequires: pkgconfig(libavformat)
BuildRequires: pkgconfig(libavutil)
# --- Runtime -----------------------------------------------------------------
Requires: pipewire
Requires: pipewire-pulseaudio
Requires: wireplumber
Requires: opus
Requires: libei
# FFmpeg runtime with NVENC (RPM Fusion). Weak-dep so the package installs even if
# the user hasn't enabled RPM Fusion yet, but it WILL fail to encode without it.
Recommends: ffmpeg-libs
# A compositor to drive. Bazzite ships gamescope; the others are user choice.
Recommends: gamescope
Suggests: kwin
Suggests: mutter
# NVENC + GPU EGL come from the NVIDIA driver; on Bazzite the -nvidia image has it.
Recommends: (xorg-x11-drv-nvidia-cuda if xorg-x11-drv-nvidia)
%description
punktfunk is a Linux-first, low-latency desktop and game streaming host. It speaks
the Moonlight/GameStream protocol (pair a stock Moonlight client) and its own native
punktfunk/1 protocol (GF(2^16) Leopard FEC + AES-GCM, mid-stream mode renegotiation,
client microphone passthrough). Each session gets a virtual output at the client's
exact resolution and refresh via a per-compositor backend (KWin, gamescope, Mutter,
Sway/wlroots), captured zero-copy (dmabuf -> CUDA -> NVENC) and split-encoded above
~1 Gpix/s. Input (mouse/keyboard/gamepads) is injected back into the session.
%prep
%autosetup -n %{name}-%{version}
%build
# Release build of the host binary only (the workspace also has the core lib + clients).
# cargo fetches crates over the network; COPR build hosts allow this.
export RUSTFLAGS="%{?build_rustflags}"
cargo build --release -p punktfunk-host
%install
# Binary
install -Dm0755 target/release/punktfunk-host %{buildroot}%{_bindir}/punktfunk-host
# udev rule — /dev/uinput access for virtual gamepads (input group).
install -Dm0644 scripts/60-punktfunk.rules %{buildroot}%{_udevrulesdir}/60-punktfunk.rules
# systemd *user* unit (the host runs in the graphical session, not as root).
install -Dm0644 scripts/punktfunk-host.service %{buildroot}%{_userunitdir}/punktfunk-host.service
# Headless session helpers + example config + OpenAPI doc (reference material).
install -d %{buildroot}%{_datadir}/%{name}/headless
install -Dm0755 scripts/headless/run-headless-kde.sh %{buildroot}%{_datadir}/%{name}/headless/run-headless-kde.sh
install -Dm0755 scripts/headless/run-headless-sway.sh %{buildroot}%{_datadir}/%{name}/headless/run-headless-sway.sh
install -Dm0644 scripts/host.env.example %{buildroot}%{_datadir}/%{name}/host.env.example
install -Dm0644 packaging/bazzite/host.env %{buildroot}%{_datadir}/%{name}/host.env.bazzite
install -Dm0644 docs/api/openapi.json %{buildroot}%{_datadir}/%{name}/openapi.json
%files
%license LICENSE-MIT LICENSE-APACHE
%doc README.md docs/implementation-plan.md packaging/README.md
%{_bindir}/punktfunk-host
%{_udevrulesdir}/60-punktfunk.rules
%{_userunitdir}/punktfunk-host.service
%dir %{_datadir}/%{name}
%{_datadir}/%{name}/*
%post
# Reload udev so /dev/uinput picks up the new rule without a reboot (best-effort).
udevadm control --reload-rules 2>/dev/null || :
udevadm trigger --subsystem-match=misc 2>/dev/null || :
echo "punktfunk installed. Add yourself to the 'input' group (sudo usermod -aG input \$USER)"
echo "then enable the host: systemctl --user enable --now punktfunk-host"
echo "Config: cp %{_datadir}/%{name}/host.env.bazzite ~/.config/punktfunk/host.env"
%changelog
* Tue Jun 10 2026 punktfunk <noreply@anthropic.com> - 0.0.1-1
- Initial RPM: punktfunk-host + udev rule + systemd user unit + headless helpers.