diff mbox series

[RFC,v3,02/10] rootfs: Allow to overwrite the initramfs generation cmds

Message ID 20251006183214.1593195-3-Quirin.Gylstorff@siemens.com
State RFC
Headers show
Series Add support for dracut | expand

Commit Message

Quirin Gylstorff Oct. 6, 2025, 6:31 p.m. UTC 
From: Quirin Gylstorff <quirin.gylstorff@siemens.com>

This is in preparation to support additional initramfs generators
like dracut.

Signed-off-by: Quirin Gylstorff <quirin.gylstorff@siemens.com>
---
 meta/classes/rootfs.bbclass | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)
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Patch

diff --git a/meta/classes/rootfs.bbclass b/meta/classes/rootfs.bbclass
index ebe3bf4a..ef2b7376 100644
--- a/meta/classes/rootfs.bbclass
+++ b/meta/classes/rootfs.bbclass
@@ -5,7 +5,13 @@  inherit deb-dl-dir
 
 ROOTFS_ARCH ?= "${DISTRO_ARCH}"
 ROOTFS_DISTRO ?= "${DISTRO}"
+
+def initramfs_generator_cmdline(d):
+    return "update-initramfs -u -v -k \"$kernel_version\""
+
 ROOTFS_PACKAGES ?= ""
+ROOTFS_INITRAMFS_GENERATOR_CMD = "${@ d.getVar('ROOTFS_INITRAMFS_GENERATOR_CMDLINE').split()[0]}"
+ROOTFS_INITRAMFS_GENERATOR_CMDLINE = "${@ initramfs_generator_cmdline(d)}"
 ROOTFS_BASE_DISTRO ?= "${BASE_DISTRO}"
 
 # Features of the rootfs creation:
@@ -183,7 +189,7 @@  rootfs_disable_initrd_generation[weight] = "1"
 rootfs_disable_initrd_generation() {
     # fully disable initrd generation
     sudo mkdir -p "${ROOTFSDIR}${ROOTFS_STUBS_DIR}"
-    sudo cp -a ${ROOTFSDIR}/usr/bin/true ${ROOTFSDIR}${ROOTFS_STUBS_DIR}/update-initramfs
+    sudo cp -a ${ROOTFSDIR}/usr/bin/true ${ROOTFSDIR}${ROOTFS_STUBS_DIR}/${ROOTFS_INITRAMFS_GENERATOR_CMD}
 }
 
 ROOTFS_INSTALL_COMMAND += "rootfs_install_pkgs_update"
@@ -486,12 +492,13 @@  rootfs_generate_initramfs() {
                 mods_total="$(find /usr/lib/modules/$kernel_version -type f -name '*.ko*' | wc -l)"; \
                 echo "Total number of modules: $mods_total"; \
                 echo "Generating initrd for kernel version: $kernel_version"; \
-                update-initramfs -u -v -k "$kernel_version"; \
+                ${ROOTFS_INITRAMFS_GENERATOR_CMDLINE}; \
             done;'
         if [ -n "${INITRD_DEPLOY_FILE}" ]; then
             if [ -f "${ROOTFSDIR}/initrd.img" ]; then
                 # debian (mkinitramfs)
-                cp ${ROOTFSDIR}/initrd.img ${DEPLOYDIR}/${INITRD_DEPLOY_FILE}
+                sudo cp ${ROOTFSDIR}/initrd.img ${DEPLOYDIR}/${INITRD_DEPLOY_FILE}
+                sudo chown $(id -u):$(id -g) ${DEPLOYDIR}/${INITRD_DEPLOY_FILE}
             else
                 # ubuntu (dracut)
                 cp ${ROOTFSDIR}/boot/initrd.img ${DEPLOYDIR}/${INITRD_DEPLOY_FILE}