The postinst script for linux-image-* behaves differently on fresh installation vs upgrade. For a fresh installation, it updates the default symlinks /vmlinuz and /initrd.img to point to the new kernel and initramfs versions. On upgrade it generally doesn't.
I've been rewriting and simplifying the scripts, and in my testing I realised that if a package is installed, removed and installed a second time it sees the second installation as an upgrade - which I think is incorrect. It currently detects an upgrade based on whether the second argument to the postinst script is non-empty, and that's defined as 'the mostly recently configured version'. Is there a simple way that a postinst script can tell that the previously configured version was removed? Or do I have to use some sort of flag file? (I can imagine either creating this in the preinst, or creating it in postinst and removing it in postrm.) Ben. -- Ben Hutchings The most exhausting thing in life is being insincere. - Anne Morrow Lindberg
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