enricobuehler
902cc162f7
ci / rust (push) Has been cancelled
On Bazzite (atomic rpm-ostree) `sudo usermod -aG input $USER` doesn't stick — /etc/group is managed declaratively, so the change is dropped or reverted on the next update. The supported path is the `ujust add-user-to-input-group` recipe, which edits the group the immutable-OS-correct way. Update the bazzite README + the packaging quickstart + the troubleshooting note (which also now points at the host's "virtual gamepad/DualSense created" vs "creation failed" log as the unambiguous signal). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
87 lines
4.0 KiB
Markdown
87 lines
4.0 KiB
Markdown
# Packaging punktfunk for Fedora / Bazzite
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The punktfunk host is Linux-only and links system FFmpeg (NVENC), PipeWire, Opus and
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the NVIDIA driver. This directory packages it for the **Fedora Atomic / Bazzite** world
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(rpm-ostree + bootc), where most of those deps are already present.
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> 👉 **End-to-end Bazzite setup walkthrough** (install → udev/group → `host.env` → service →
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> firewall → verify → troubleshooting): [`bazzite/README.md`](bazzite/README.md). This file is the
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> higher-level packaging rationale.
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```
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packaging/
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rpm/punktfunk.spec # the RPM (builds punktfunk-host from source with cargo)
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bazzite/host.env # gamescope-default config for a Bazzite appliance
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bazzite/README.md # step-by-step Bazzite setup guide
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bootc/Containerfile # bake punktfunk into a Bazzite-based atomic image
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copr/ # COPR build-from-SCM settings
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```
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## What's needed beyond base Fedora
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| Dependency | Where it comes from |
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|---|---|
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| `ffmpeg-libs` with **NVENC** | **RPM Fusion nonfree** (`ffmpeg`, not `ffmpeg-free`) |
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| NVIDIA driver (`libnvidia-encode`, `libEGL_nvidia`) | Bazzite **-nvidia** images ship it; plain Fedora: `akmod-nvidia` + `xorg-x11-drv-nvidia-cuda` |
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| gamescope, PipeWire, wireplumber | **Bazzite ships these**; plain Fedora: `dnf install gamescope pipewire wireplumber` |
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| `opus`, `libei` | Fedora base / updates |
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On **Bazzite** the only genuinely new runtime bits are `ffmpeg-libs` (RPM Fusion) + `opus` +
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`libei` — the rest of the stack is already there. The default backend is **gamescope**
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(`packaging/bazzite/host.env`), which the host spawns headless per session — no desktop login.
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## Option A — COPR (per-host, `rpm-ostree install`)
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1. Create a COPR project, enable **build-from-SCM** pointing at this repo, spec path
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`packaging/rpm/punktfunk.spec` (see `copr/README.md`). Under *External Repositories* add
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RPM Fusion nonfree so `ffmpeg-devel` resolves at build time.
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2. On the Bazzite host:
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```sh
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# RPM Fusion (for the NVENC ffmpeg) — usually already enabled on Bazzite
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rpm-ostree install \
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https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm \
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https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
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# enable the COPR + install punktfunk
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sudo wget -O /etc/yum.repos.d/_copr_punktfunk.repo \
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https://copr.fedorainfracloud.org/coprs/enricobuehler/punktfunk/repo/fedora-$(rpm -E %fedora)/
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rpm-ostree install punktfunk
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systemctl reboot
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```
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## Option B — bootc (image-based, atomic)
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Layer punktfunk into a Bazzite image once, then rebase any number of hosts onto it — no
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per-host drift. See `bootc/Containerfile`:
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```sh
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podman build -t ghcr.io/<you>/bazzite-punktfunk -f packaging/bootc/Containerfile .
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podman push ghcr.io/<you>/bazzite-punktfunk
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# on the target:
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sudo bootc switch ghcr.io/<you>/bazzite-punktfunk && systemctl reboot
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```
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## First-run setup (either option)
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```sh
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ujust add-user-to-input-group # virtual gamepads need /dev/uinput (then re-login).
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# On Bazzite use ujust, NOT `usermod -aG input` (atomic OS — it won't stick).
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mkdir -p ~/.config/punktfunk
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cp /usr/share/punktfunk/host.env.bazzite ~/.config/punktfunk/host.env # edit (gamescope app, etc.)
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systemctl --user enable --now punktfunk-host
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```
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Pair a stock Moonlight client (mDNS-discovered), or connect the native punktfunk/1 client.
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## Why not Flatpak?
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The host needs unsandboxed access the zero-copy NVENC path, `/dev/uinput`, the PipeWire
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graph and the compositor's privileged protocols — a Flatpak sandbox fights all of these.
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An RPM (or the bootc layer) installs into the host system where those just work.
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## Building the SRPM/RPM locally (Fedora only)
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```sh
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git archive --format=tar.gz --prefix=punktfunk-0.0.1/ -o ~/rpmbuild/SOURCES/punktfunk-0.0.1.tar.gz HEAD
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rpmbuild -ba packaging/rpm/punktfunk.spec # needs the BuildRequires from the spec
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```
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(Not buildable on Debian/Ubuntu — use a Fedora toolbox/container or COPR.)
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