Re: [PATCH v3] isar-installer: show progress bar during bmaptool copy process

[Uladzimir Bely <ubely@ilbers.de>]

On Mon, 2025-03-10 at 12:33 +0530, 'Kasturi Shekar' via isar-users
wrote:
> - Added support for a progress gauge using a named pipe to capture
> and display
>  percentage progress when using `bmaptool`.
> - The progress bar is displayed only when the `bmaptool` version is
> 3.8 or above,
>  as versions prior to 3.8 has some issues with `--psplash-pipe` flag.
> - For `bmaptool` versions below 3.8, the image copy process continues
> without a
>  progress bar to maintain compatibility.
> - The gauge uses `dialog --gauge` to dynamically update the progress
> based on
>  output from the `bmaptool` process.
> 
> Signed-off-by: Kasturi Shekar <kasturi.shekar@siemens.com>
> ---
>  .../files/usr/bin/deploy-image-wic.sh         | 44
> ++++++++++++++++++-
>  1 file changed, 42 insertions(+), 2 deletions(-)
> 
> 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 7f552eee..9743bfe6 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
> @@ -149,8 +149,48 @@ if ! $installer_unattended; then
>      clear
>  fi
>  
> -if ! bmaptool copy ${bmap_options} "$installer_image_uri"
> "${installer_target_dev}"; then
> -    exit 1
> +# Function to compare version numbers
> +version_ge() {
> +    if [ "$(printf '%s\n' "$1"X "$2" | sort -V | head -n 1)" !=
> "$1"X ]; then
> +        return 0
> +    else
> +        return 1
> +    fi
> +}
> +
> +# Get bmap-tools version using dpkg-query
> +bmap_version=$(dpkg-query -W -f='${Version}' bmap-tools | awk -
> F'[~+-]' '{ print $1 }')
> +
> +if version_ge "$bmap_version" "3.8"; then
> +    # Create a named pipe for progress communication
> +    progress_pipe="/tmp/progress"
> +    if ! mkfifo "$progress_pipe"; then
> +        echo "Error: Failed to create named pipe $progress_pipe"
> +        exit 1
> +    fi
> +
> +    # Initialize the dialog gauge and update it dynamically
> +    (
> +        while true; do
> +            if read -r line < "$progress_pipe"; then
> +                percentage=$(echo "$line" | awk '{ print $2 }')
> +                echo "$percentage"
> +            fi
> +        done
> +    ) | dialog --gauge "Flashing image, please wait..." 10 70 0 &
> +
> +    # Run bmaptool with psplash updating progress
> +    if ! bmaptool -q copy ${bmap_options} --psplash-
> pipe="$progress_pipe" "$installer_image_uri" "$installer_target_dev";
> then
> +        exit 1
> +    fi
> +
> +    # Clean up the named pipe after completion
> +    rm "$progress_pipe"
> +

Hello.

Since we are going to reboot anyway, we could not worry about removing
progress_pipe here, move --psplash-pipe="$progress_pipe" into
${bmap_options} and avoid code duplication below.

> +else
> +    if ! bmaptool copy ${bmap_options} "$installer_image_uri"
> "$installer_target_dev"; then
> +        exit 1
> +    fi
>  fi
>  
>  if ! $installer_unattended; then
> -- 
> 2.39.5
> 

-- 
Best regards,
Uladzimir.



-- 
You received this message because you are subscribed to the Google Groups "isar-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email to isar-users+unsubscribe@googlegroups.com.
To view this discussion visit https://groups.google.com/d/msgid/isar-users/70005140a8ebc156582f05349d3e8cead21d7bd1.camel%40ilbers.de.