Merge pull request #54 from theupriser/release/2.9.1

Release/2.9.1

CHANGELOG.md

@@ -5,6 +5,13 @@ All notable changes, per version and per commit. Versions follow
 `steamify.sh`. Versions before 0.7.0 were numbered afterwards,
 one per merged pull request.
 
+## 2.9.1 - 2026-09-29
+
+- `c87e6c7` **docs: changelog for the CEC driver cache**
+- `fc05725` **fix: HDMI-CEC: an older cached CEC driver is removed when a new pin is downloaded**
+- `90bc5e4` **fix: HDMI-CEC: Valve's CEC driver is downloaded once and kept in /var/cache/steamify (GitHub rate-limits repeated downloads with HTTP 429, which left CEC off); turning CEC on again needs no network**
+- `d99ff65` **chore: Version 2.9.1**
+
 ## 2.9.0 - 2026-09-28
 
 - `d30d505` **chore: Version 2.9.0**

lib/cec.sh

@@ -26,6 +26,10 @@ CEC_DKMS_VER=1
 CEC_DKMS_SRC="/usr/src/$CEC_DKMS_NAME-$CEC_DKMS_VER"
 CEC_DRIVER_URL="https://raw.githubusercontent.com/evlaV/linux-integration/10c8c8800ccd3ae359203b4eefb6479f613b3b8e/drivers/media/cec/platform/cros-ec/cros-ec-cec.c"
 CEC_DRIVER_SHA256=e89fd4e87fceb32d713ffc59b64794779b3c2b3c012b0e2f2e9f0c40b42f4373
+# Downloaded once, then kept: raw.githubusercontent.com rate-limits (HTTP 429) repeated downloads
+# from one address, and turning CEC off and on again needs no network then. Named after its
+# checksum, so a new pin (a new commit and checksum above) downloads its file once by itself.
+CEC_DRIVER_CACHE="/var/cache/steamify/cros-ec-cec-${CEC_DRIVER_SHA256:0:12}.c"
 
 cec_link_steamos_manager() {
     # On a Steam Machine: steamos-manager writes cecd's config from Steam's
@@ -65,12 +69,19 @@ cec_driver_enable() {
     fi
     install_kernel_headers || return 1
     tmp="$(mktemp -d)"
-    info "Downloading Valve's Steam Machine CEC driver..."
+    if [[ -f "$CEC_DRIVER_CACHE" ]] && echo "$CEC_DRIVER_SHA256  $CEC_DRIVER_CACHE" | sha256sum -c --quiet - 2>/dev/null; then
-    if ! curl -fsL "$CEC_DRIVER_URL" -o "$tmp/cros-ec-cec.c" ||
+        cp "$CEC_DRIVER_CACHE" "$tmp/cros-ec-cec.c"
-        ! echo "$CEC_DRIVER_SHA256  $tmp/cros-ec-cec.c" | sha256sum -c --quiet -; then
+    else
-        rm -rf "$tmp"
+        info "Downloading Valve's Steam Machine CEC driver..."
-        err "Downloading Valve's CEC driver failed (or its checksum didn't match)."
+        if ! curl -fsL --retry 2 "$CEC_DRIVER_URL" -o "$tmp/cros-ec-cec.c" ||
-        return 1
+            ! echo "$CEC_DRIVER_SHA256  $tmp/cros-ec-cec.c" | sha256sum -c --quiet -; then
+            rm -rf "$tmp"
+            err "Downloading Valve's CEC driver failed (or its checksum didn't match)."
+            return 1
+        fi
+        # The name carries the checksum: a newer pin gets its own file, the old one goes.
+        sudo find "${CEC_DRIVER_CACHE%/*}" -maxdepth 1 -name 'cros-ec-cec-*.c' ! -name "${CEC_DRIVER_CACHE##*/}" -delete 2>/dev/null
+        sudo install -Dm644 "$tmp/cros-ec-cec.c" "$CEC_DRIVER_CACHE"
     fi
     # So it finds amdgpu's HDMI port (see the patch for why).
     patch_file cros-ec-cec-single-port.patch | patch -s -d "$tmp" -p1 ||

steamify.sh

@@ -15,7 +15,7 @@
 set -uo pipefail
 
 # Release version, see CHANGELOG.md.
-VERSION=2.9.0
+VERSION=2.9.1
 
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"