On Friday, December 26, 2025 at 4:30:54 PM UTC+5:30 Jan Kiszka wrote:

On 25.12.25 22:31, 'Badrikesh Prusty' via isar-users wrote:
> Add a 5-second countdown before unattended installation starts. Allow
> users to abort unattended mode via keypress. Notify all console instances
> via a shared file (`/tmp/attended_mode_trigger`) so the abort applies
> across all consoles.
>
> Signed-off-by: Badrikesh Prusty <badrikes...@siemens.com>
> ---
> RECIPE-API-CHANGELOG.md | 6 ++++++
> .../files/usr/bin/deploy-image-wic.sh | 15 +++++++++++++++
> 2 files changed, 21 insertions(+)
>
> diff --git a/RECIPE-API-CHANGELOG.md b/RECIPE-API-CHANGELOG.md
> index 3af91541..cd1f1fd4 100644
> --- a/RECIPE-API-CHANGELOG.md
> +++ b/RECIPE-API-CHANGELOG.md
> @@ -941,3 +941,9 @@ Example: To bundle multiple target images, set the following in local.conf:
> ```
> INSTALLER_TARGET_IMAGES = "isar-image-base isar-image-debug isar-image-ci"
> ```
> +
> +### Allow unattended installation to be interrupted by keypress
> +
> +Add a 5-second countdown before unattended installation starts. Allow users to
> +abort unattended mode via keypress. Notify all console instances via a shared
> +file (`/tmp/attended_mode_trigger`) so the abort applies across all consoles.
> 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 9bd47e9f..5736a861 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
> @@ -10,6 +10,21 @@ SCRIPT_DIR=$( dirname -- "$( readlink -f -- "$0"; )"; )
>
> . "${SCRIPT_DIR}/../lib/deploy-image-wic/handle-config.sh"
>
> +if $installer_unattended; then
> + abort_file=/tmp/attended_mode_trigger
> + for ((i=5; i>0; i--)); do
> + echo -ne "\rUnattended installation will start in $i seconds. Press any key to switch to attended mode..."
> +
> + # Switch to attended mode if the abort file exists or any key pressed during countdown
> + # Create abort file to notify all other console instances to abort
> + if [ -f "$abort_file" ] || read -n 1 -t 1; then
> + installer_unattended=false
> + touch "$abort_file"
> + break
> + fi
> + done
> +fi

This should be opt-in, and the timeout may deserve to be configurable.

Jan

> +
> if ! $installer_unattended; then
> installer_image_uri=$(find "$installdata" -type f -iname "*.wic*" -a -not -iname "*.wic.bmap" -exec basename {} \;)
> if [ -z "$installer_image_uri" ] || [ ! -f "$installdata/$installer_image_uri" ]; then