/usr/src/kpatch-0.3.2/post-dkms.sh is in kpatch-dkms 0.3.2-1ubuntu4.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 | #!/bin/bash
module_version=$1
kernelver=$2
mkdir -p /lib/modules/$kernelver/updates/dkms/
cp /var/lib/dkms/kpatch/$module_version/build/kmod/core/Module.symvers /lib/modules/$kernelver/updates/dkms/kpatch.Module.symvers
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