image_types: Fix reproducible builds for initramfs and UKI img
I've encountered issues reproducing initramfs and UKI image builds, which will be fixed with this patch. 1. initramfs There's a symbolic link to /sbin/init, which is appended to the cpio archive after creation. The links timestamp needs to be static and the cpio append command needs the '--reproducible' flag to produce deterministic outcomes. 2. Unified Kernel Image '--preserve-dates' is required for a static 'Time/Date' entry. I've added '--enable-deterministic-archives' although in my case this didn't change anything. Signed-off-by:Frieder Paape <frieder@konvera.io> Signed-off-by:
Richard Purdie <richard.purdie@linuxfoundation.org>
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