makeInitrd: Use closureInfo

pkgs/build-support/kernel/make-initrd.sh

@@ -25,13 +25,9 @@ for ((n = 0; n < ${#objects[*]}; n++)); do
 done
 
 
-# Get the paths in the closure of `object'.
-storePaths=$(perl $pathsFromGraph closure-*)
-
-
 # Paths in cpio archives *must* be relative, otherwise the kernel
 # won't unpack 'em.
-(cd root && cp -prd --parents $storePaths .)
+(cd root && cp -prd --parents $(cat $closure/store-paths) .)
 
 
 # Put the closure in a gzipped cpio archive.