sysext: don't build nvidia-drivers on ARM

Author: danzatt

build_library/extra_sysexts.sh

@@ -2,10 +2,12 @@ EXTRA_SYSEXTS=(
   "zfs|sys-fs/zfs"
   "podman|app-containers/podman,net-misc/passt"
   "python|dev-lang/python,dev-python/pip"
-  "nvidia-drivers-535|x11-drivers/nvidia-drivers:0/535|-kernel-open"
-  "nvidia-drivers-535-open|x11-drivers/nvidia-drivers:0/535|kernel-open"
-  "nvidia-drivers-550|x11-drivers/nvidia-drivers:0/550|-kernel-open"
-  "nvidia-drivers-550-open|x11-drivers/nvidia-drivers:0/550|kernel-open"
+  "nvidia-drivers-535|x11-drivers/nvidia-drivers:0/535|-kernel-open|amd64"
+  "nvidia-drivers-535-open|x11-drivers/nvidia-drivers:0/535|kernel-open|amd64"
+  "nvidia-drivers-550|x11-drivers/nvidia-drivers:0/550|-kernel-open|amd64"
+  "nvidia-drivers-550-open|x11-drivers/nvidia-drivers:0/550|kernel-open|amd64"
+  "nvidia-drivers-570|x11-drivers/nvidia-drivers:0/570|-kernel-open|amd64"
+  "nvidia-drivers-570-open|x11-drivers/nvidia-drivers:0/570|kernel-open|amd64"
 )
 
 _get_unversioned_sysext_packages_unsorted() {

build_packages

@@ -288,7 +288,21 @@ sudo -E "${EMERGE_CMD[@]}" "${EMERGE_FLAGS[@]}" "$@"
 
 info "Merging sysext packages now"
 for sysext in "${EXTRA_SYSEXTS[@]}"; do
-  IFS="|" read SYSEXT_NAME PACKAGE_ATOMS USEFLAGS < <(echo "$sysext");
+  IFS="|" read -r SYSEXT_NAME PACKAGE_ATOMS USEFLAGS ARCHES <<< "$sysext"
+
+  arch_array=("${ARCHES//,/ }")
+  if [[ -n $ARCHES ]]; then
+    should_skip=1
+    for arch in "${arch_array[@]}"; do
+      if [[ $arch == "$ARCH" ]]; then
+        should_skip=0
+      fi
+    done
+    if [[ $should_skip -eq 1 ]]; then
+      continue
+    fi
+  fi
+
 
   info "Building packages for $SYSEXT_NAME sysext with USE=$USEFLAGS"
   IFS=,