dkms: resolve in-tree certificates to absolute paths #573
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On Gentoo, the signing certificate can be obtained from the kernel configuration, which by default is a path relative to it's source directory, causing `prepare_mok` to pass, as the PWD can be within that source directory while checking the obtained paths, but definitely failing during `do_build`, once the PWD is the temporary build directory. This changes the logic to obtain an absolute path using `readlink -f`, instead of assuming that the configured path is absolute
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On Gentoo, the signing certificate can be obtained from the kernel configuration, which by default is a path relative to it's source directory, causing
prepare_mokto pass, as the PWD can be within that source directory while checking the obtained paths, but definitely failing duringdo_build, once the PWD is the temporary build directory.This changes the logic to obtain an absolute path to the certificate using
readlink -f, instead of assuming that the configured path is absolute.