70 lines
1.9 KiB
Nix
70 lines
1.9 KiB
Nix
{
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stdenv
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, busybox
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, buildPackages
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, callPackage
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, execline
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, lib
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, pseudofile
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, runCommand
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, s6-init-bin
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, s6-init-files
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, s6-linux-init
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, s6-rc
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, s6-rc-database
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, stdenvNoCC
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, writeScript
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, writeText
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} : config :
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let
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s6-rc-db = s6-rc-database.override {
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services = builtins.attrValues config.services;
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};
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pseudofiles = writeText "pseudofiles" ''
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/ d 0755 0 0
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/bin d 0755 0 0
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/etc d 0755 0 0
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/run d 0755 0 0
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/dev d 0755 0 0
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/dev/null c 0666 root root 1 3
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/dev/zero c 0666 root root 1 5
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/dev/tty1 c 0777 root root 4 1
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/dev/tty2 c 0777 root root 4 2
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/dev/tty3 c 0777 root root 4 3
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/dev/tty4 c 0777 root root 4 4
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/dev/tty c 0777 root root 5 0
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/dev/console c 0600 root root 5 1
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/proc d 0555 root root
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/sys d 0555 root root
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/dev/pts d 0755 0 0
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/etc/init.d d 0755 0 0
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/bin/init s 0755 0 0 ${s6-init-bin}/bin/init
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/bin/sh s 0755 0 0 ${busybox}/bin/sh
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/bin/busybox s 0755 0 0 ${busybox}/bin/busybox
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/etc/s6-rc d 0755 0 0
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/etc/s6-rc/compiled s 0755 0 0 ${s6-rc-db}/compiled
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/etc/passwd f 0644 0 0 echo "root::0:0:root:/:/bin/sh"
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'';
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config-pseudofiles = pseudofile.write "config.etc"
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(config.environment.contents);
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storefs = callPackage <nixpkgs/nixos/lib/make-squashfs.nix> {
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# add pseudofiles to store so that the packages they
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# depend on are also added
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storeContents = [
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pseudofiles
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s6-init-files
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config-pseudofiles
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] ++ config.packages ;
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};
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in runCommand "frob-squashfs" {
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nativeBuildInputs = with buildPackages; [ squashfsTools qprint ];
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} ''
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cp ${storefs} ./store.img
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chmod +w store.img
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mksquashfs - store.img -no-recovery -quiet -no-progress -root-becomes store -p "/ d 0755 0 0"
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mksquashfs - store.img -no-recovery -quiet -no-progress -root-becomes nix -pf ${pseudofiles} -pf ${s6-init-files} -pf ${config-pseudofiles}
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cp store.img $out
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''
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