diff --git a/man/kernel-install.xml b/man/kernel-install.xml
index f27036ea39..a57e3e3759 100644
--- a/man/kernel-install.xml
+++ b/man/kernel-install.xml
@@ -224,10 +224,8 @@
(EFI System Partition) are mounted, and also conceptually referred to as $BOOT. Can
be overridden by setting $BOOT_ROOT (see below).
- $KERNEL_INSTALL_LAYOUT=bls|uki|other|... is set for the plugins to specify the
- installation layout. Defaults to if
- $BOOT/ENTRY-TOKEN exists, or
- otherwise. Additional layout names may be defined by convention. If a plugin uses a special layout,
+ $KERNEL_INSTALL_LAYOUT=auto|bls|uki|other|... is set for the plugins to specify the
+ installation layout. Additional layout names may be defined by convention. If a plugin uses a special layout,
it's encouraged to declare its own layout name and configure layout= in
install.conf upon initial installation. The following values are currently
understood:
@@ -264,6 +262,17 @@
Some other layout not understood natively by kernel-install.
+
+ auto
+
+ Pick the layout automatically. If the kernel is a UKI set layout to
+ . If not default to if
+ $BOOT/loader/entries.srel with content type1 or
+ $BOOT/ENTRY-TOKEN exists, or
+ otherwise.
+ Leaving layout blank has the same effect. This is the default.
+
+ $KERNEL_INSTALL_INITRD_GENERATOR is set for plugins to select the initrd
diff --git a/src/kernel-install/kernel-install.in b/src/kernel-install/kernel-install.in
index fa2c0d5276..25884fc0e2 100755
--- a/src/kernel-install/kernel-install.in
+++ b/src/kernel-install/kernel-install.in
@@ -250,10 +250,18 @@ if [ -z "$ENTRY_TOKEN" ]; then
echo "No entry-token candidate matched, using \"$ENTRY_TOKEN\" from machine-id"
fi
-if [ -z "$layout" ]; then
+export KERNEL_INSTALL_IMAGE_TYPE=""
+if [ -f "$1" ]; then
+ KERNEL_INSTALL_IMAGE_TYPE="$(bootctl kernel-identify "$1" 2>/dev/null || echo "unknown")"
+fi
+
+if [ "$layout" = "auto" ] || [ -z "$layout" ]; then
# No layout configured by the administrator. Let's try to figure it out
# automatically from metadata already contained in $BOOT_ROOT.
- if [ -e "$BOOT_ROOT/loader/entries.srel" ]; then
+ if [ "$KERNEL_INSTALL_IMAGE_TYPE" = "uki" ]; then
+ layout="uki"
+ log_verbose "Kernel image is UKI, using layout=$layout"
+ elif [ -e "$BOOT_ROOT/loader/entries.srel" ]; then
read -r ENTRIES_SREL <"$BOOT_ROOT/loader/entries.srel"
if [ "$ENTRIES_SREL" = "type1" ]; then
# The loader/entries.srel file clearly indicates that the installed