set -o pipefail

mkdir root

# Needed for splash_helper, which gets run before init.
mkdir root/dev
mkdir root/sys
mkdir root/proc


for ((n = 0; n < ${#objects[@]}; n++)); do
  object=${objects[n]}
  symlink=${symlinks[n]}
  suffix=${suffices[n]}
  if test "$suffix" = none; then suffix=; fi

  mkdir -p $(dirname root/$symlink)
  ln -s $object$suffix root/$symlink
done


# Get the paths in the closure of `object'.
storePaths="$(cat $closureInfo/store-paths)"


# Paths in cpio archives *must* be relative, otherwise the kernel
# won't unpack 'em.
(cd root && cp -prP --parents $storePaths .)


# Put the closure in a gzipped cpio archive.
mkdir -p $out
for PREP in ${prepend[@]}; do
  cat $PREP >> $out/initrd
done
(cd root && find * .[^.*] -exec touch -h -d '@1' '{}' +)
(cd root && find * .[^.*] -print0 | sort -z | cpio --quiet -o -H newc -R +0:+0 --reproducible --null | eval -- $compress >> "$out/initrd")

ln -s "initrd" "$out/initrd$extension"
