Re: [PATCH] installer: improve root device detection and skip additional devices

[Zhihang Wei <wzh@ilbers.de>]

Applied to next, thanks.

Zhihang

On 2/12/26 21:24, 'Badrikesh Prusty' via isar-users wrote:
> Strip trailing digits correctly to determine the base device name for
> p-style partitioned devices such as mmcblk0p2 and nvme0n1p3. Handle
> these devices by removing the p<partition> suffix while preserving
> behavior for traditional devices like sda1.
>
> Skip device-mapper (dm-*) and zram (zram*) devices to prevent
> presenting virtual or non-installable devices as installation targets.
>
> Signed-off-by: Badrikesh Prusty <badrikesh.prusty@siemens.com>
> ---
>   .../deploy-image/files/usr/bin/deploy-image-wic.sh   | 12 +++++++++++-
>   1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/meta-isar/recipes-installer/deploy-image/files/usr/bin/deploy-image-wic.sh b/meta-isar/recipes-installer/deploy-image/files/usr/bin/deploy-image-wic.sh
> index ca586aa6..9c041a50 100755
> --- a/meta-isar/recipes-installer/deploy-image/files/usr/bin/deploy-image-wic.sh
> +++ b/meta-isar/recipes-installer/deploy-image/files/usr/bin/deploy-image-wic.sh
> @@ -64,7 +64,11 @@ if ! $installer_unattended; then
>           # Always exclude the exact device mounted as /
>           exclude_list+=("$current_root_dev")
>   
> -        base_no_part=${current_root_dev%%[0-9]*}
> +        if [[ "$current_root_dev" =~ ^(mmcblk|nvme) ]]; then
> +            base_no_part="${current_root_dev%p[0-9]*}"
> +        else
> +            base_no_part="${current_root_dev%%[0-9]*}"
> +        fi
>           if [ -n "$base_no_part" ]; then
>               exclude_list+=("$base_no_part")
>           fi
> @@ -121,6 +125,9 @@ if ! $installer_unattended; then
>           fi
>   
>           case $device in
> +            dm-*)
> +                # skip device-mapper device
> +                ;;
>               loop*)
>                   # skip loop device
>                   ;;
> @@ -132,6 +139,9 @@ if ! $installer_unattended; then
>               ram*)
>                   # skip ram device
>                   ;;
> +            zram*)
> +                # skip zram device
> +                ;;
>               *)
>                   #skip any excluded devices (root and its slaves)
>                   skip_device=0

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