Re: [PATCH v7 00/13] Add support for dracut

[Zhihang Wei <wzh@ilbers.de>]

Applied to next, thanks.

There was an extra space in front of tab in lighttpd.conf from patch v7 
12/13,
caused warning when applying the patch. I have fixed it and replaced 
tabs with
spaces.

Best regards,
Zhihang

On 11/5/25 13:12, 'Quirin Gylstorff' via isar-users wrote:
> From: Quirin Gylstorff <quirin.gylstorff@siemens.com>
>
> Debian intends to change the default initrd generator from
> initramfs-tools to dracut[1],[2].
>
> This is a first draft to support multiple initrd generator in
> ISAR. I tested it with bookworm and trixie.
>
> You can switch a normal Debian version to a dracut based initrd
> by installing the package `dracut`. This similar to a normal Debian
> installation.
>
> Customizing the initrd generation should be done with a seperate recipe
> which inherit `initrd-dracut`. This is intentionally done to avoid
> installing packages which are only used by the initrd generation process.
>
> [1]: https://salsa.debian.org/kernel-team/meetings/-/wikis/20250730
> [2]: https://meetbot.debian.net/debian-kernel/2025/debian-kernel.2025-08-06-19.00.log.html
>
> Changes v7:
>   - move from classes to classes-recipe
>
> Changes v6:
>   - use class instead of inc
>   - fail early if dracut generation fail
>
> Changes v5:
>   - cleanup formatting
>   - Add additional comments
>   - Add isar-work mount point to the rootfs to copy the initrd to the workdir
>   - make the build compatible with ubuntu
>   - use the feature to derive the  module name from the installed package
>
> Changes v4:
>   - fix extra_modules and extra_drivers
>   - extend user_manual to switch normal installation to dracut
>
> Changes v3:
>   - drop initramfs patch
>   - add examples
>   - add user_manual section
>
> Changes v2:
>   - extract the initramfs-cmd from the cmdline
>   - increase version of enable-fsck
>   - add function to print an error in case a invalid package is installed
>
> Quirin Gylstorff (13):
>    Add dracut to custom kernel builds
>    rootfs: Allow to overwrite the initramfs generation cmds
>    rootfs: Add isar-work directory to rootfs mounts
>    rootfs: Copy the newly created initrd.img to the work directory
>    rootfs: Add dracut to initramfs generator
>    rootfs: exit immediately if INITRAMFS_GENERATOR_CMD fails
>    initramfs: allow to set the generator command
>    Add class to generate custom dracut initramfs
>    rootfs: add flag to use dracut if it is not part of the package list
>    Add example dracut initramfs
>    Add dracut module helper
>    Use lighttpd as a example how to add a dracut module
>    user_manual: Add dracut for initramfs generation
>
>   doc/user_manual.md                            | 73 +++++++++++++++-
>   .../dracut-example-lighttpd_0.1.bb            | 44 ++++++++++
>   .../dracut-example-lighttpd/files/install.sh  | 20 +++++
>   .../files/lighttpd.conf                       | 52 +++++++++++
>   .../files/lighttpd.service                    | 13 +++
>   .../files/sysuser-lighttpd.conf               |  2 +
>   .../recipes-initramfs/images/isar-dracut.bb   | 25 ++++++
>   meta/classes-recipe/dracut-module.bbclass     | 87 +++++++++++++++++++
>   meta/classes-recipe/initrd-dracut.bbclass     | 58 +++++++++++++
>   meta/classes/initramfs.bbclass                | 19 +++-
>   meta/classes/rootfs.bbclass                   | 43 ++++++---
>   .../dracut-module/files/module-setup.sh.tmpl  | 42 +++++++++
>   meta/recipes-kernel/linux/linux-custom.inc    |  2 +-
>   13 files changed, 461 insertions(+), 19 deletions(-)
>   create mode 100644 meta-isar/recipes-initramfs/dracut-example-lighttpd/dracut-example-lighttpd_0.1.bb
>   create mode 100644 meta-isar/recipes-initramfs/dracut-example-lighttpd/files/install.sh
>   create mode 100644 meta-isar/recipes-initramfs/dracut-example-lighttpd/files/lighttpd.conf
>   create mode 100644 meta-isar/recipes-initramfs/dracut-example-lighttpd/files/lighttpd.service
>   create mode 100644 meta-isar/recipes-initramfs/dracut-example-lighttpd/files/sysuser-lighttpd.conf
>   create mode 100644 meta-isar/recipes-initramfs/images/isar-dracut.bb
>   create mode 100644 meta/classes-recipe/dracut-module.bbclass
>   create mode 100644 meta/classes-recipe/initrd-dracut.bbclass
>   create mode 100644 meta/recipes-initramfs/dracut-module/files/module-setup.sh.tmpl
>

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