[2/4] sbuild-chroot: Skip initramfs generation while installing build dependencies

Message ID 88ca507a0d71bcd597761b24f1862c9dc01b6cd1.1757930833.git.jan.kiszka@siemens.com
State New
Headers show
Series Several micro-optimizations | expand

Commit Message

Jan Kiszka Sept. 15, 2025, 10:07 a.m. UTC
From: Jan Kiszka <jan.kiszka@siemens.com>

We have no need for an initramfs while building packages. Therefore,
keep the update-initramfs stub inside the sbuild-chroots so that they
are working also while build dependencies are installed.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 meta/classes/rootfs.bbclass                        | 14 ++++++++++----
 .../sbuild-chroot/sbuild-chroot.inc                |  2 ++
 2 files changed, 12 insertions(+), 4 deletions(-)

Comments

MOESSBAUER, Felix Sept. 15, 2025, 10:33 a.m. UTC | #1
On Mon, 2025-09-15 at 12:07 +0200, Jan Kiszka wrote:
> From: Jan Kiszka <jan.kiszka@siemens.com>
> 
> We have no need for an initramfs while building packages. Therefore,
> keep the update-initramfs stub inside the sbuild-chroots so that they
> are working also while build dependencies are installed.


Thanks!

Acked-by: Felix Moessbauer <felix.moessbauer@siemens.com>

> 
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> ---
>  meta/classes/rootfs.bbclass                        | 14 ++++++++++----
>  .../sbuild-chroot/sbuild-chroot.inc                |  2 ++
>  2 files changed, 12 insertions(+), 4 deletions(-)
> 
> diff --git a/meta/classes/rootfs.bbclass b/meta/classes/rootfs.bbclass
> index d91fecb0..de8077e6 100644
> --- a/meta/classes/rootfs.bbclass
> +++ b/meta/classes/rootfs.bbclass
> @@ -187,6 +187,10 @@ rootfs_disable_initrd_generation() {
>  
>      mkdir -p "${ROOTFSDIR}${ROOTFS_STUBS_DIR}"
>      ln -s /usr/bin/true ${ROOTFSDIR}${ROOTFS_STUBS_DIR}/update-initramfs
> +
> +    mkdir -p '${ROOTFSDIR}/etc/apt/apt.conf.d'
> +    echo 'DPkg::Path ${ROOTFS_STUBS_DIR}:/usr/sbin:/usr/bin:/sbin:/bin;' \
> +        > '${ROOTFSDIR}/etc/apt/apt.conf.d/50isar-stubs'
>  EOSUDO
>  }
>  
> @@ -251,15 +255,17 @@ rootfs_install_pkgs_install[progress] = "custom:rootfs_progress.PkgsInstallProgr
>  rootfs_install_pkgs_install[network] = "${TASK_USE_SUDO}"
>  rootfs_install_pkgs_install() {
>      sudo -E chroot "${ROOTFSDIR}" \
> -        /usr/bin/apt-get ${ROOTFS_APT_ARGS} \
> -            -o DPkg::Path='${ROOTFS_STUBS_DIR}:/usr/sbin:/usr/bin:/sbin:/bin' \
> -            ${ROOTFS_PACKAGES}
> +        /usr/bin/apt-get ${ROOTFS_APT_ARGS} ${ROOTFS_PACKAGES}
>  }
>  
>  ROOTFS_INSTALL_COMMAND += "rootfs_restore_initrd_tooling"
>  rootfs_restore_initrd_tooling[weight] = "1"
>  rootfs_restore_initrd_tooling() {
> -    sudo rm -rf "${ROOTFSDIR}${ROOTFS_STUBS_DIR}"
> +    sudo -s <<'EOSUDO'
> +    set -e
> +    rm -f "${ROOTFSDIR}/etc/apt/apt.conf.d/50isar-stubs"
> +    rm -rf "${ROOTFSDIR}${ROOTFS_STUBS_DIR}"
> +EOSUDO
>  }
>  
>  ROOTFS_INSTALL_COMMAND += "${@bb.utils.contains('ROOTFS_FEATURES', 'no-generate-initrd', 'rootfs_clear_initrd_symlinks', '', d)}"
> diff --git a/meta/recipes-devtools/sbuild-chroot/sbuild-chroot.inc b/meta/recipes-devtools/sbuild-chroot/sbuild-chroot.inc
> index 98e427e5..479aa91d 100644
> --- a/meta/recipes-devtools/sbuild-chroot/sbuild-chroot.inc
> +++ b/meta/recipes-devtools/sbuild-chroot/sbuild-chroot.inc
> @@ -57,6 +57,8 @@ ROOTFSDIR = "${SBUILD_CHROOT_DIR}"
>  ROOTFS_PACKAGES = "${SBUILD_CHROOT_PREINSTALL}"
>  ROOTFS_FEATURES += "no-generate-initrd"
>  
> +ROOTFS_INSTALL_COMMAND:remove = "rootfs_restore_initrd_tooling"
> +
>  ROOTFS_POSTPROCESS_COMMAND:remove = "rootfs_cleanup_isar_apt"
>  
>  # Do not cleanup base-apt
> -- 
> 2.51.0

Patch

diff --git a/meta/classes/rootfs.bbclass b/meta/classes/rootfs.bbclass
index d91fecb0..de8077e6 100644
--- a/meta/classes/rootfs.bbclass
+++ b/meta/classes/rootfs.bbclass
@@ -187,6 +187,10 @@  rootfs_disable_initrd_generation() {
 
     mkdir -p "${ROOTFSDIR}${ROOTFS_STUBS_DIR}"
     ln -s /usr/bin/true ${ROOTFSDIR}${ROOTFS_STUBS_DIR}/update-initramfs
+
+    mkdir -p '${ROOTFSDIR}/etc/apt/apt.conf.d'
+    echo 'DPkg::Path ${ROOTFS_STUBS_DIR}:/usr/sbin:/usr/bin:/sbin:/bin;' \
+        > '${ROOTFSDIR}/etc/apt/apt.conf.d/50isar-stubs'
 EOSUDO
 }
 
@@ -251,15 +255,17 @@  rootfs_install_pkgs_install[progress] = "custom:rootfs_progress.PkgsInstallProgr
 rootfs_install_pkgs_install[network] = "${TASK_USE_SUDO}"
 rootfs_install_pkgs_install() {
     sudo -E chroot "${ROOTFSDIR}" \
-        /usr/bin/apt-get ${ROOTFS_APT_ARGS} \
-            -o DPkg::Path='${ROOTFS_STUBS_DIR}:/usr/sbin:/usr/bin:/sbin:/bin' \
-            ${ROOTFS_PACKAGES}
+        /usr/bin/apt-get ${ROOTFS_APT_ARGS} ${ROOTFS_PACKAGES}
 }
 
 ROOTFS_INSTALL_COMMAND += "rootfs_restore_initrd_tooling"
 rootfs_restore_initrd_tooling[weight] = "1"
 rootfs_restore_initrd_tooling() {
-    sudo rm -rf "${ROOTFSDIR}${ROOTFS_STUBS_DIR}"
+    sudo -s <<'EOSUDO'
+    set -e
+    rm -f "${ROOTFSDIR}/etc/apt/apt.conf.d/50isar-stubs"
+    rm -rf "${ROOTFSDIR}${ROOTFS_STUBS_DIR}"
+EOSUDO
 }
 
 ROOTFS_INSTALL_COMMAND += "${@bb.utils.contains('ROOTFS_FEATURES', 'no-generate-initrd', 'rootfs_clear_initrd_symlinks', '', d)}"
diff --git a/meta/recipes-devtools/sbuild-chroot/sbuild-chroot.inc b/meta/recipes-devtools/sbuild-chroot/sbuild-chroot.inc
index 98e427e5..479aa91d 100644
--- a/meta/recipes-devtools/sbuild-chroot/sbuild-chroot.inc
+++ b/meta/recipes-devtools/sbuild-chroot/sbuild-chroot.inc
@@ -57,6 +57,8 @@  ROOTFSDIR = "${SBUILD_CHROOT_DIR}"
 ROOTFS_PACKAGES = "${SBUILD_CHROOT_PREINSTALL}"
 ROOTFS_FEATURES += "no-generate-initrd"
 
+ROOTFS_INSTALL_COMMAND:remove = "rootfs_restore_initrd_tooling"
+
 ROOTFS_POSTPROCESS_COMMAND:remove = "rootfs_cleanup_isar_apt"
 
 # Do not cleanup base-apt