Re: [PATCH] image: Fix variable dependency chain

[Zhihang Wei <wzh@ilbers.de>]

Applied to next, thanks.

On 11/23/25 19:30, 'Jan Kiszka' via isar-users wrote:
> From: Jan Kiszka <jan.kiszka@siemens.com>
>
> As ROOTFS_PACKAGES is constructed from IMAGE_INSTALL or SDK_INSTALL via
> an inline python function, we need to help its consumer
> do_rootfs_install with maintaining its variable dependency chain.
>
> The issue was easy to trigger by rebuilding an image after switching
> between different distro kernels.
>
> Instead of adding another do_rootfs_install[vardeps] rule to users of
> rootfs, introduce the ROOTFS_VARDEPS variable which can be defined by
> class users according to their ROOTFS_PACKAGES construction.
>
> Fixes: c63bb31b6f3a ("add multiarch support")
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> ---
>   meta/classes/image.bbclass  | 1 +
>   meta/classes/rootfs.bbclass | 3 ++-
>   meta/classes/sdk.bbclass    | 5 +----
>   3 files changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
> index 1fa71c17..d11dbee5 100644
> --- a/meta/classes/image.bbclass
> +++ b/meta/classes/image.bbclass
> @@ -101,6 +101,7 @@ ROOTFS_FEATURES += "\
>       populate-systemd-preset \
>       "
>   ROOTFS_PACKAGES += "${IMAGE_PREINSTALL} ${@isar_multiarch_packages('IMAGE_INSTALL', d)}"
> +ROOTFS_VARDEPS += "IMAGE_INSTALL"
>   ROOTFS_MANIFEST_DEPLOY_DIR ?= "${DEPLOY_DIR_IMAGE}"
>   ROOTFS_DPKGSTATUS_DEPLOY_DIR ?= "${DEPLOY_DIR_IMAGE}"
>   ROOTFS_PACKAGE_SUFFIX ?= "${PN}-${DISTRO}-${MACHINE}"
> diff --git a/meta/classes/rootfs.bbclass b/meta/classes/rootfs.bbclass
> index e1179e61..748ed034 100644
> --- a/meta/classes/rootfs.bbclass
> +++ b/meta/classes/rootfs.bbclass
> @@ -18,6 +18,7 @@ def initramfs_generator_cmdline(d):
>       return "update-initramfs -u -v -k \"$kernel_version\""
>   
>   ROOTFS_PACKAGES ?= ""
> +ROOTFS_VARDEPS ?= ""
>   ROOTFS_INITRAMFS_GENERATOR_CMD = "${@ d.getVar('ROOTFS_INITRAMFS_GENERATOR_CMDLINE').split()[0]}"
>   ROOTFS_INITRAMFS_GENERATOR_CMDLINE = "${@ initramfs_generator_cmdline(d)}"
>   ROOTFS_BASE_DISTRO ?= "${BASE_DISTRO}"
> @@ -384,7 +385,7 @@ rootfs_clear_initrd_symlinks() {
>   }
>   
>   do_rootfs_install[root_cleandirs] = "${ROOTFSDIR}"
> -do_rootfs_install[vardeps] += "${ROOTFS_CONFIGURE_COMMAND} ${ROOTFS_INSTALL_COMMAND}"
> +do_rootfs_install[vardeps] += "${ROOTFS_CONFIGURE_COMMAND} ${ROOTFS_INSTALL_COMMAND} ${ROOTFS_VARDEPS}"
>   do_rootfs_install[vardepsexclude] += "IMAGE_ROOTFS"
>   do_rootfs_install[depends] = "bootstrap-${@'target' if d.getVar('ROOTFS_ARCH') == d.getVar('DISTRO_ARCH') else 'host'}:do_build"
>   do_rootfs_install[recrdeptask] = "do_deploy_deb"
> diff --git a/meta/classes/sdk.bbclass b/meta/classes/sdk.bbclass
> index 46436d97..5933b52a 100644
> --- a/meta/classes/sdk.bbclass
> +++ b/meta/classes/sdk.bbclass
> @@ -55,6 +55,7 @@ def get_rootfs_distro(d):
>   ROOTFS_ARCH:class-sdk = "${HOST_ARCH}"
>   ROOTFS_DISTRO:class-sdk = "${@get_rootfs_distro(d)}"
>   ROOTFS_PACKAGES:class-sdk = "sdk-files ${SDK_TOOLCHAIN} ${SDK_PREINSTALL} ${@isar_multiarch_packages('SDK_INSTALL', d)}"
> +ROOTFS_VARDEPS:class-sdk = "SDK_INSTALL SDK_INCLUDE_ISAR_APT"
>   ROOTFS_FEATURES:append:class-sdk = " clean-package-cache generate-manifest export-dpkg-status"
>   ROOTFS_MANIFEST_DEPLOY_DIR:class-sdk = "${DEPLOY_DIR_SDKCHROOT}"
>   ROOTFS_DPKGSTATUS_DEPLOY_DIR:class-sdk = "${DEPLOY_DIR_SDKCHROOT}"
> @@ -70,10 +71,6 @@ SDKROOTFSDEPENDS = ""
>   SDKROOTFSDEPENDS:class-sdk = "${BPN}:do_rootfs"
>   do_rootfs_install[depends] += "${SDKROOTFSDEPENDS}"
>   
> -SDKROOTFSVARDEPS = ""
> -SDKROOTFSVARDEPS:class-sdk = "SDK_INCLUDE_ISAR_APT"
> -do_rootfs_install[vardeps] += "${SDKROOTFSVARDEPS}"
> -
>   ROOTFS_POSTPROCESS_COMMAND:remove = "${@'rootfs_cleanup_isar_apt' if bb.utils.to_boolean(d.getVar('SDK_INCLUDE_ISAR_APT')) else ''}"
>   
>   # additional SDK steps

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