tjh.dev
nixpkgs mirror (for testing)
github.com/NixOS/nixpkgs
nix
1set -o pipefail
2
3mkdir root
4
5# Needed for splash_helper, which gets run before init.
6mkdir root/dev
7mkdir root/sys
8mkdir root/proc
9
10
11for ((n = 0; n < ${#objects[@]}; n++)); do
12 object=${objects[n]}
13 symlink=${symlinks[n]}
14 suffix=${suffices[n]}
15 if test "$suffix" = none; then suffix=; fi
16
17 mkdir -p $(dirname root/$symlink)
18 ln -s $object$suffix root/$symlink
19done
20
21
22# Get the paths in the closure of `object'.
23storePaths="$(cat $closureInfo/store-paths)"
24
25
26# Paths in cpio archives *must* be relative, otherwise the kernel
27# won't unpack 'em.
28(cd root && cp -prP --parents $storePaths .)
29
30
31# Put the closure in a gzipped cpio archive.
32mkdir -p $out
33for PREP in ${prepend[@]}; do
34 cat $PREP >> $out/initrd
35done
36(cd root && find * .[^.*] -exec touch -h -d '@1' '{}' +)
37(cd root && find * .[^.*] -print0 | sort -z | cpio --quiet -o -H newc -R +0:+0 --reproducible --null | eval -- $compress >> "$out/initrd")
38
39if [ -n "$makeUInitrd" ]; then
40 mkimage -A "$uInitrdArch" -O linux -T ramdisk -C "$uInitrdCompression" -d "$out/initrd" $out/initrd.img
41 # Compatibility symlink
42 ln -sf "initrd.img" "$out/initrd"
43else
44 ln -s "initrd" "$out/initrd$extension"
45fi