Description

For some weird reason, vim1s's kernel is extremely sensitive to gzipped initramfs image and it fails to load the same. For this reason, we had a pre_update_initramfs hook to change the initramfs compression algorithm from gzip to xz. But it turns out armbian-bsp-cli package has a well hidden pre-install script that changes compression to gzip if armbian-bsp-cli package is upgraded.

This PR moves the compression change logic from previously added pre_update_initramfs hook to postinst script of armbian-bsp-cli. This way we can provide the value from getting overwritten and hence fix the upgrade failure.

Jira reference number AR-1976

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Please also note any relevant details for your test configuration.

• [X] Created a new armbian-bsp-cli package and uses that to upgrade pre-installed armbian-bsp-cli package. Checked COMPRESS value in /etc/initramfs-tools/initramfs.conf to make sure it is set to xz.

Checklist:

• [X] My code follows the style guidelines of this project
• [X] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [X] My changes generate no new warnings
• [ ] Any dependent changes have been merged and published in downstream modules

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