gentoo/sys-kernel/dracut/files/059-kernel-install-uki.patch

Combination of:
- https://github.com/dracutdevs/dracut/pull/2405
- https://github.com/dracutdevs/dracut/pull/2495
- https://github.com/dracutdevs/dracut/pull/2521

Fixes installing manually configured kernel in uki layout and
allows dropping workaround from dist-kernel-utils.eclass

Provides compatibility with systemd-254's ukify plugin

--- a/dracut.sh
+++ b/dracut.sh
@@ -2594,6 +2594,9 @@ freeze_ok_for_fstype() {
         zfs)
             return 1
             ;;
+        tmpfs)
+            return 1
+            ;;
         btrfs)
             freeze_ok_for_btrfs "$outfile"
             ;;
--- a/install.d/50-dracut.install	2023-09-21 10:19:00.843827541 +0200
+++ b/install.d/50-dracut.install	2023-07-20 16:53:51.000000000 +0200
@@ -11,27 +11,69 @@
     exit 0
 fi

-if [[ -d "$BOOT_DIR_ABS" ]]; then
-    INITRD="initrd"
+# Do not attempt to create initramfs if the supplied image is already a UKI
+if [[ "$KERNEL_INSTALL_IMAGE_TYPE" = "uki" ]]; then
+    exit 0
+fi
+
+# Mismatching the install layout and the --uefi/--no-uefi opts just creates a mess.
+if [[ $KERNEL_INSTALL_LAYOUT == "uki" && -n $KERNEL_INSTALL_STAGING_AREA ]]; then
+    BOOT_DIR_ABS="$KERNEL_INSTALL_STAGING_AREA"
+    if [[ -z $KERNEL_INSTALL_UKI_GENERATOR || $KERNEL_INSTALL_UKI_GENERATOR == "dracut" ]]; then
+        # No uki generator preference set or we have been chosen
+        IMAGE="uki.efi"
+        UEFI_OPTS="--uefi"
+    elif [[ -z $KERNEL_INSTALL_INITRD_GENERATOR || $KERNEL_INSTALL_INITRD_GENERATOR == "dracut" ]]; then
+        # We aren't the uki generator, but we have been requested to make the initrd
+        IMAGE="initrd"
+        UEFI_OPTS="--no-uefi"
+    else
+        exit 0
+    fi
+elif [[ $KERNEL_INSTALL_LAYOUT == "bls" && -n $KERNEL_INSTALL_STAGING_AREA ]]; then
+    BOOT_DIR_ABS="$KERNEL_INSTALL_STAGING_AREA"
+    if [[ -z $KERNEL_INSTALL_INITRD_GENERATOR || $KERNEL_INSTALL_INITRD_GENERATOR == "dracut" ]]; then
+        IMAGE="initrd"
+        UEFI_OPTS="--no-uefi"
+    else
+        exit 0
+    fi
 else
-    BOOT_DIR_ABS="/boot"
-    INITRD="initramfs-${KERNEL_VERSION}.img"
+    # No layout information, use users --uefi/--no-uefi preference
+    UEFI_OPTS=""
+    if [[ -d $BOOT_DIR_ABS ]]; then
+        IMAGE="initrd"
+    else
+        BOOT_DIR_ABS="/boot"
+        IMAGE="initramfs-${KERNEL_VERSION}.img"
+    fi
 fi

 ret=0
+
 case "$COMMAND" in
     add)
-        INITRD_IMAGE_PREGENERATED=${KERNEL_IMAGE%/*}/initrd
-        if [[ -f ${INITRD_IMAGE_PREGENERATED} ]]; then
-            # we found an initrd at the same place as the kernel
+        if [[ $IMAGE == "uki.efi" ]]; then
+            IMAGE_PREGENERATED=${KERNEL_IMAGE%/*}/uki.efi
+        else
+            IMAGE_PREGENERATED=${KERNEL_IMAGE%/*}/initrd
+        fi
+        if [[ -f ${IMAGE_PREGENERATED} ]]; then
+            # we found an initrd or uki.efi at the same place as the kernel
             # use this and don't generate a new one
-            cp --reflink=auto "$INITRD_IMAGE_PREGENERATED" "$BOOT_DIR_ABS/$INITRD" \
-                && chown root:root "$BOOT_DIR_ABS/$INITRD" \
-                && chmod 0600 "$BOOT_DIR_ABS/$INITRD" \
+            [[ $KERNEL_INSTALL_VERBOSE == 1 ]] && echo \
+                "There is an ${IMAGE} image at the same place as the kernel, skipping generating a new one"
+            cp --reflink=auto "$IMAGE_PREGENERATED" "$BOOT_DIR_ABS/$IMAGE" \
+                && chown root:root "$BOOT_DIR_ABS/$IMAGE" \
+                && chmod 0600 "$BOOT_DIR_ABS/$IMAGE" \
                 && exit 0
         fi

-        if [[ -f /etc/kernel/cmdline ]]; then
+        if [ -n "$KERNEL_INSTALL_CONF_ROOT" ]; then
+            if [ -f "$KERNEL_INSTALL_CONF_ROOT/cmdline" ]; then
+                read -r -d '' -a BOOT_OPTIONS < "$KERNEL_INSTALL_CONF_ROOT/cmdline"
+            fi
+        elif [[ -f /etc/kernel/cmdline ]]; then
             read -r -d '' -a BOOT_OPTIONS < /etc/kernel/cmdline
         elif [[ -f /usr/lib/kernel/cmdline ]]; then
             read -r -d '' -a BOOT_OPTIONS < /usr/lib/kernel/cmdline
@@ -40,14 +82,14 @@

             read -r -d '' -a line < /proc/cmdline
             for i in "${line[@]}"; do
-                [[ "${i#initrd=*}" != "$i" ]] && continue
+                [[ ${i#initrd=*} != "$i" ]] && continue
                 BOOT_OPTIONS+=("$i")
             done
         fi

         unset noimageifnotneeded

-        for ((i=0; i < "${#BOOT_OPTIONS[@]}"; i++)); do
+        for ((i = 0; i < "${#BOOT_OPTIONS[@]}"; i++)); do
             # shellcheck disable=SC1001
             if [[ ${BOOT_OPTIONS[$i]} == root\=PARTUUID\=* ]]; then
                 noimageifnotneeded="yes"
@@ -55,16 +97,21 @@
             fi
         done

+        # shellcheck disable=SC2046
         dracut -f \
             ${noimageifnotneeded:+--noimageifnotneeded} \
-            $([[ "$KERNEL_INSTALL_VERBOSE" == 1 ]] && echo --verbose) \
-            "$BOOT_DIR_ABS/$INITRD" \
-            "$KERNEL_VERSION"
+            $([[ $KERNEL_INSTALL_VERBOSE == 1 ]] && echo --verbose) \
+            $([[ -n $KERNEL_IMAGE ]] && echo --kernel-image "$KERNEL_IMAGE") \
+            "$UEFI_OPTS" \
+            --kver "$KERNEL_VERSION" \
+            "$BOOT_DIR_ABS/$IMAGE"
         ret=$?
-	;;
+        ;;
+
     remove)
-        rm -f -- "$BOOT_DIR_ABS/$INITRD"
+        rm -f -- "$BOOT_DIR_ABS/$IMAGE"
         ret=$?
-	;;
+        ;;
 esac
+
 exit $ret