feat: build initramfs for surface, asus and nvidia

Containerfile

@@ -18,6 +18,9 @@ COPY ${KERNEL_FLAVOR}/ /tmp/
 RUN mkdir -p /var/lib/alternatives && \
     IMAGE_FLAVOR=main /tmp/image-info.sh && \
     /tmp/install.sh && \
+    if [ "${KERNEL_FLAVOR}" != "main" ]; then \
+       /tmp/build-initramfs.sh \
+    ; fi && \
     mv /var/lib/alternatives /staged-alternatives && \
     rm -rf /tmp/* /var/* && \
     ostree container commit && \
@@ -41,6 +44,7 @@ COPY *.sh /tmp/
 RUN mkdir -p /var/lib/alternatives && \
     IMAGE_FLAVOR=nvidia /tmp/image-info.sh && \
     /tmp/nvidia-install.sh && \
+    /tmp/build-initramfs.sh \
     mv /var/lib/alternatives /staged-alternatives && \
     rm -rf /tmp/* /var/* && \
     ostree container commit && \

build-initramfs.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/bash
+
+set -oue pipefail
+
+if [[ "${AKMODS_FLAVOR}" == "surface" ]]; then
+    KERNEL_SUFFIX="surface"
+else
+    KERNEL_SUFFIX=""
+fi
+
+QUALIFIED_KERNEL="$(rpm -qa | grep -P 'kernel-(|'"$KERNEL_SUFFIX"'-)(\d+\.\d+\.\d+)' | sed -E 's/kernel-(|'"$KERNEL_SUFFIX"'-)//')"
+
+/usr/libexec/rpm-ostree/wrapped/dracut --no-hostonly --kver "$QUALIFIED_KERNEL" --reproducible -v --add ostree -f "/lib/modules/$QUALIFIED_KERNEL/initramfs.img"
+
+chmod 0600 "/lib/modules/$QUALIFIED_KERNEL/initramfs.img"