forked from DGNum/liminix
82 lines
2.5 KiB
Nix
82 lines
2.5 KiB
Nix
pkgs: config:
|
|
let
|
|
inherit (pkgs)
|
|
callPackage
|
|
closureInfo
|
|
lib
|
|
runCommand
|
|
s6-rc
|
|
stdenv
|
|
stdenvNoCC
|
|
writeScript
|
|
writeText;
|
|
|
|
# we need to generate s6 db, by generating closure of all
|
|
# config.services and calling s6-rc-compile on them
|
|
allServices = closureInfo {
|
|
rootPaths = builtins.attrValues config.services;
|
|
};
|
|
s6db = stdenvNoCC.mkDerivation {
|
|
name = "s6-rc-db";
|
|
nativeBuildInputs = [pkgs.buildPackages.s6-rc];
|
|
builder = writeText "find-s6-services" ''
|
|
source $stdenv/setup
|
|
mkdir -p $out
|
|
srcs=""
|
|
shopt -s nullglob
|
|
for i in $(cat ${allServices}/store-paths ); do
|
|
if test -d $i; then
|
|
for j in $i/* ; do
|
|
if test -f $j/type ; then
|
|
srcs="$srcs $i"
|
|
fi
|
|
done
|
|
fi
|
|
done
|
|
s6-rc-compile $out/compiled $srcs
|
|
'';
|
|
};
|
|
s6-pseudofiles = pkgs.s6-init-files;
|
|
profile = writeScript ".profile" ''
|
|
PATH=${lib.makeBinPath (with pkgs; [ s6-init-bin busybox execline s6-linux-init s6-rc])}
|
|
export PATH
|
|
'';
|
|
pseudofiles = writeText "pseudofiles" ''
|
|
/ d 0755 0 0
|
|
/bin d 0755 0 0
|
|
/etc d 0755 0 0
|
|
/run d 0755 0 0
|
|
/dev d 0755 0 0
|
|
/dev/null c 0666 root root 1 3
|
|
/dev/zero c 0666 root root 1 5
|
|
/dev/tty1 c 0777 root root 4 1
|
|
/dev/tty2 c 0777 root root 4 2
|
|
/dev/tty3 c 0777 root root 4 3
|
|
/dev/tty4 c 0777 root root 4 4
|
|
/dev/tty c 0777 root root 5 0
|
|
/dev/console c 0600 root root 5 1
|
|
/proc d 0555 root root
|
|
/sys d 0555 root root
|
|
/dev/pts d 0755 0 0
|
|
/etc/init.d d 0755 0 0
|
|
/bin/init s 0755 0 0 ${pkgs.s6-init-bin}/bin/init
|
|
/bin/sh s 0755 0 0 ${pkgs.busybox}/bin/sh
|
|
/bin/busybox s 0755 0 0 ${pkgs.busybox}/bin/busybox
|
|
/etc/s6-rc d 0755 0 0
|
|
/etc/s6-rc/compiled s 0755 0 0 ${s6db}/compiled
|
|
/etc/passwd f 0644 0 0 echo "root::0:0:root:/:/bin/sh"
|
|
/.profile s 0644 0 0 ${profile}
|
|
'';
|
|
storefs = callPackage <nixpkgs/nixos/lib/make-squashfs.nix> {
|
|
storeContents = [ pseudofiles s6-pseudofiles s6db pkgs.s6-linux-init ] ++ config.packages ;
|
|
# comp = "xz -Xdict-size 100%"
|
|
};
|
|
in runCommand "frob-squashfs" {
|
|
nativeBuildInputs = with pkgs.buildPackages; [ squashfsTools qprint ];
|
|
} ''
|
|
cp ${storefs} ./store.img
|
|
chmod +w store.img
|
|
mksquashfs - store.img -no-recovery -quiet -no-progress -root-becomes store -p "/ d 0755 0 0"
|
|
mksquashfs - store.img -no-recovery -quiet -no-progress -root-becomes nix -pf ${pseudofiles} -pf ${s6-pseudofiles}
|
|
cp store.img $out
|
|
''
|