Merge pull request #496 from omacom/xps13-dx13260-firmware

Add linux-firmware-cirrus stable-snapshot shim for the Dell XPS 13 DX13260

docs/upstream-sources.md

@@ -168,6 +168,8 @@ in `origin` and has no effect on release selection.
 
 These packages were already excluded from automatic AUR updates. The migration preserves that policy.
 
+`linux-firmware-cirrus` is a deliberate hold: a self-retiring shim that ships Arch's linux-firmware-cirrus 20260910-2 payload to stable while stable's Arch snapshot is on 20260810-2 (Dell XPS 13 DX13260 / 1028:0e54 speaker firmware). It is versioned 20260810-3 so the genuine Arch package supersedes it as soon as the snapshot advances; bumping it to the Arch version would defeat that. Delete the recipe once stable's snapshot carries linux-firmware >= 20260910.
+
 ## Package-specific boundaries
 
 - NVIDIA watches remain on the 580 driver branch.

pkgbuilds/linux-firmware-cirrus/.omarchy/package.json

@@ -0,0 +1,5 @@
+{
+  "source": "local",
+  "release_ring": "fast",
+  "sync": false
+}

pkgbuilds/linux-firmware-cirrus/PKGBUILD

@@ -0,0 +1,63 @@
+# Maintainer: Spencer Bull <spencerbull2554@gmail.com>
+#
+# Self-retiring shim: ships Arch's linux-firmware-cirrus 20260910-2 payload to
+# the stable channel while stable's pinned Arch snapshot is still on
+# linux-firmware 20260810-2 (which lacks the Dell XPS 13 DX13260 / 1028:0e54
+# CS35L56 amplifier firmware aliases, leaving that machine's speakers silent).
+#
+# Nothing is rebuilt. The signed Arch package is verified against the Arch
+# packager key and its payload reinstalled as-is, minus the files that Arch
+# moved out of linux-firmware-other in 20260910 (the cs42l45 SDCA tree): on
+# the stable snapshot those are still owned by linux-firmware-other 20260810-2
+# and would conflict, so they are left to that package.
+#
+# Versioning is deliberate: 20260810-3 orders above the snapshot's 20260810-2
+# and BELOW Arch's real 20260910-2, so as soon as the stable snapshot advances
+# pacman replaces this shim with the genuine package in the same transaction
+# that upgrades linux-firmware-other, and nothing is lost. Delete this recipe
+# once stable's snapshot is at linux-firmware >= 20260910.
+
+pkgname=linux-firmware-cirrus
+pkgver=20260810
+pkgrel=3
+_fwver=20260910
+_fwrel=2
+_basever=20260810
+_baserel=2
+pkgdesc="Firmware files for Linux - Firmware for Cirrus Logic audio devices (Arch - payload, stable-snapshot shim)"
+arch=('any')
+url="https://gitlab.com/kernel-firmware/linux-firmware"
+license=('LicenseRef-WHENCE' 'LicenseRef-cirrus')
+depends=('linux-firmware-whence')
+options=('!strip' '!debug')
+_cirrus="linux-firmware-cirrus-${_fwver}-${_fwrel}-any.pkg.tar.zst"
+_other="linux-firmware-other-${_basever}-${_baserel}-any.pkg.tar.zst"
+source=(
+  "https://archive.archlinux.org/packages/l/linux-firmware-cirrus/${_cirrus}"
+  "https://archive.archlinux.org/packages/l/linux-firmware-cirrus/${_cirrus}.sig"
+  "https://archive.archlinux.org/packages/l/linux-firmware-other/${_other}"
+  "https://archive.archlinux.org/packages/l/linux-firmware-other/${_other}.sig"
+)
+noextract=("${_cirrus}" "${_other}")
+sha256sums=('70100c551b079bd8abec3d9c96a16defd04766b2a4afc6d7be9128d37e9840f7'
+            'SKIP'
+            'b0f016ee0d0532b977211b0cbb630bca75184f68a9ace82675eb3cf9acce4f6c'
+            'SKIP')
+# Jan Alexander Steffens (heftig) <heftig@archlinux.org>, Arch Linux packager
+validpgpkeys=('83BC8889351B5DEBBB68416EB8AC08600F108CDF')
+
+package() {
+  # Payload only; makepkg regenerates .PKGINFO/.MTREE/.BUILDINFO.
+  bsdtar -xf "${srcdir}/${_cirrus}" -C "${pkgdir}" \
+    --exclude='.PKGINFO' --exclude='.MTREE' --exclude='.BUILDINFO' \
+    --exclude='.INSTALL' --exclude='.CHANGELOG'
+
+  # Drop every file the snapshot's linux-firmware-other still owns.
+  local f
+  while IFS= read -r f; do
+    [[ -e "${pkgdir}/${f}" || -L "${pkgdir}/${f}" ]] && rm -f "${pkgdir}/${f}"
+  done < <(bsdtar -tf "${srcdir}/${_other}" | grep -v '^\.' | grep -v '/$')
+
+  # Remove directories emptied by the step above.
+  find "${pkgdir}/usr/lib/firmware" -depth -type d -empty -delete
+}

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