[External] how to wipe /var /etc during upgrading

[Jian Zhang]

Hi Yang;

The simplest way is to execute:
~# > /run/initramfs/whitelist && reboot,

For the main logic, please refer to the vars `do_save` and `whitelist`

https://github.com/openbmc/openbmc/blob/1da9f898e1ec4d24d2e9229c56dd2495e505e485/meta-phosphor/recipes-phosphor/initrdscripts/files/obmc-init.sh#L320
https://github.com/openbmc/openbmc/blob/1da9f898e1ec4d24d2e9229c56dd2495e505e485/meta-phosphor/recipes-phosphor/initrdscripts/files/obmc-update.sh#L183C1-L184C1

Jian.
> From: "Yang Zhang"<yang.zhang.wz at gmail.com>
> Date:  Tue, Jun 3, 2025, 19:22
> Subject:  [External] how to wipe /var /etc during upgrading
> To: <openbmc at lists.ozlabs.org>
> Hi all
> 
> 
> I used scp image-bmc to /run/initramfs to upgrade the BMC, but found that the configurations under /etc still exist after the upgrade. How can I upgrade /etc together during the process?
> 
> -- 
> best regards
> yang