Re: [PATCH] installer: allow unattended mode to abort with keypress

["'Jan Kiszka' via isar-users" <isar-users@googlegroups.com>]

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 <badrikesh.prusty@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

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