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punktfunk/scripts/ci/gen-sbom.sh
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enricobuehler 4a621de6b1 chore(packaging): retire VB-Cable — audio's substrate is Steam's drivers
The other half of the audio-substrate decision (spikes S2+S3 green, minted
endpoints landed in the previous commit): stop bundling a third-party
kernel driver the host no longer needs.

  installer      the VB-CABLE task, payload, silent-install run and the
                 donationware notice are gone; a suppressible notice tells
                 a Steam-less box that audio needs Steam INSTALLED (never
                 running) and that installing it later just works. A cable
                 from an older install is still deliberately not removed.
  packer + CI    -VbCableDir/VBCABLE_DIR, the staged-payload check and the
                 runner provisioning download are gone; SBOM drops the
                 redistributed-driver component.
  winget         the VB-Audio bundling-grant agreement becomes the honest
                 Steam requirement (surfaced on the unattended path where
                 no wizard is on screen).
  docs           windows-host/uninstall/security/echo say what actually
                 ships: no kernel-mode driver of our own, endpoints minted
                 from Valve's vendor-signed drivers, VB-CABLE mentioned
                 only as the historical fallback that keeps working.
  host wording   the mic-open guidance and module headers lead with Steam;
                 the NAME ladder itself is untouched — demoting 'cable
                 input' was considered and rejected (on a box where minting
                 transiently fails, the SSM would outrank an installed
                 cable, steal the silent sink, and make audio host-audible).
2026-08-07 11:27:29 +02:00

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#!/bin/sh
# Generate the per-release CycloneDX SBOM (CRA Annex I Part II §1 — machine-readable component
# inventory, attached to every stable release by .gitea/workflows/sbom.yml).
#
# syft walks the checkout and catalogs every lockfile-pinned dependency (both Rust workspaces via
# their Cargo.locks, the Bun/pnpm/npm trees, the Swift Package.resolved);
# compliance/sbom/manual-components.cdx.json contributes the components no lockfile records —
# vendored C/C++ trees (pyrowave/Granite/volk/Vulkan-Headers, libvpl), dynamically-linked/bundled
# libraries (FFmpeg, SDL3), and the patched gamescope. Keep that file current when vendoring
# changes (scripts/vendor-pyrowave.sh etc.).
#
# Usage: scripts/ci/gen-sbom.sh VERSION [OUTPUT]
# Requires: syft (pinned install in the workflow), python3 (a proven runner dependency).
set -eu
VERSION="${1:?usage: gen-sbom.sh VERSION [OUTPUT]}"
OUT="${2:-punktfunk-${VERSION}.cdx.json}"
TMP="${OUT}.syft.tmp"
syft scan "dir:." --source-name punktfunk --source-version "$VERSION" \
-o "cyclonedx-json=$TMP" -q
OUT="$OUT" TMP="$TMP" python3 - <<'PY'
import json, os
gen = json.load(open(os.environ["TMP"]))
manual = json.load(open("compliance/sbom/manual-components.cdx.json"))
gen.setdefault("components", []).extend(manual["components"])
with open(os.environ["OUT"], "w") as f:
json.dump(gen, f, indent=2)
print("SBOM: %d components -> %s" % (len(gen["components"]), os.environ["OUT"]))
PY
rm -f "$TMP"