Re: [PATCH 1/3] installer: add reusable progress gauge

[Zhihang Wei <wzh@ilbers.de>]

Applied to next, thanks.

Zhihang

On 10/27/26 12:05, srinuvasan.a via isar-users wrote:
> From: Srinuvasan A <srinuvasan.a@siemens.com>
>
> Add an independent percentage consumer for operations reporting progress.
> Drain progress if dialog exits early, preserving producer execution.
> Keep existing image-copy and RAID progress handling unchanged.
>
> Signed-off-by: Shivaschandra K L <shivaschandra.k-l@siemens.com>
> Signed-off-by: Srinuvasan A <srinuvasan.a@siemens.com>
> Suggested-by: Cedric Hombourger <cedric.hombourger@siemens.com>
> ---
>   .../files/usr/bin/installer_ui.sh             | 24 +++++++++++++++++++
>   1 file changed, 24 insertions(+)
>
> diff --git a/meta-isar/recipes-installer/deploy-image/files/usr/bin/installer_ui.sh b/meta-isar/recipes-installer/deploy-image/files/usr/bin/installer_ui.sh
> index 133d7c70..aa906221 100644
> --- a/meta-isar/recipes-installer/deploy-image/files/usr/bin/installer_ui.sh
> +++ b/meta-isar/recipes-installer/deploy-image/files/usr/bin/installer_ui.sh
> @@ -185,6 +185,30 @@ ui_start_progress_gauge() {
>       UI_GAUGE_PID=$!
>   }
>   
> +#--------------------------------------------------------------------------
> +# ui_progress_gauge <message>
> +#
> +# Reads integer percentages (0-100), one per line, from stdin.
> +# No dialog is opened until the first percentage arrives.
> +# If dialog exits early, drain the remaining input so the operation is
> +# not interrupted by SIGPIPE. Callers must check the producer's status
> +# using PIPESTATUS[0]; a completed gauge does not imply operation success.
> +# Returns dialog's status after all progress input has been consumed.
> +#--------------------------------------------------------------------------
> +ui_progress_gauge() {
> +    local message="$1"
> +    local status=0
> +    local percent
> +
> +    IFS= read -r percent || return 0
> +    dialog --gauge "$message" 10 70 "$percent" || status=$?
> +    if [ "$status" -ne 0 ]; then
> +        echo "Warning: progress dialog failed; waiting for the operation to finish." >&2
> +    fi
> +    cat >/dev/null
> +    return "$status"
> +}
> +
>   #--------------------------------------------------------------------------
>   # ui_stop_progress_gauge
>   #

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