forked from DGNum/liminix
156 lines
4.5 KiB
Nix
156 lines
4.5 KiB
Nix
{
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execline
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, s6
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, s6-linux-init
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, s6-rc
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, pseudofile
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, lib
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, stdenvNoCC
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, busybox
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} :
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let
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initscripts = stdenvNoCC.mkDerivation {
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name = "s6-scripts";
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src = ./scripts;
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phases = ["unpackPhase" "installPhase" ];
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buildInputs = [busybox];
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installPhase = ''
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mkdir $out
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cp -r $src $out/scripts
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chmod -R +w $out
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patchShebangs $out/scripts
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'';
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};
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dir = contents: { type = "d"; inherit contents; };
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symlink = target: { type = "s"; inherit target; };
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hpr = arg: "#!${execline}/bin/execlineb -S0\n${s6-linux-init}/bin/s6-linux-init-hpr ${arg} \$@";
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bin = dir {
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shutdown = symlink "${s6-linux-init}/bin/s6-linux-init-shutdown";
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telinit = symlink "${s6-linux-init}/bin/s6-linux-init-telinit";
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reboot = { type="f"; file = hpr "-r"; mode="0755"; };
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poweroff = { type="f"; file = hpr "-p"; mode="0755"; };
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halt = { type="f"; file = hpr "-h"; mode="0755"; };
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init = {
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type="f"; mode="0755";
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file = "#!${execline}/bin/execlineb -S0\n${s6-linux-init}/bin/s6-linux-init -c /etc/s6-linux-init/current -m 0022 -p ${lib.makeBinPath [busybox execline s6-linux-init s6-rc]}:/usr/bin:/bin -d /dev -- \"\\$@\"";
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};
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};
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scripts = symlink "${initscripts}/scripts";
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env = dir {};
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run-image = dir {
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service = dir {
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s6-linux-init-runleveld = dir {
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notification-fd = { file = "3"; };
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run = {
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file = ''
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#!${execline}/bin/execlineb -P
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${execline}/bin/fdmove -c 2 1
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${execline}/bin/fdmove 1 3
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${s6}/bin/s6-ipcserver -1 -a 0700 -c 1 -- s
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${s6}/bin/s6-sudod -dt30000 -- "/etc/s6-linux-init/current"/scripts/runlevel
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'';
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mode = "0755";
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};
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};
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s6-linux-init-shutdownd = dir {
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fifo = {
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type = "i";
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subtype = "f";
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mode = "0600";
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};
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run = {
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file = ''
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#!${execline}/bin/execlineb -P
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${s6-linux-init}/bin/s6-linux-init-shutdownd -c "/etc/s6-linux-init/current" -g 3000
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'';
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mode = "0755";
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};
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};
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s6-svscan-log = dir {
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fifo = {
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type = "i";
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subtype = "f";
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mode = "0600";
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};
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notification-fd = { file = "3"; };
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run = {
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file = ''
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#!${execline}/bin/execlineb -P
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${execline}/bin/redirfd -w 1 /dev/null
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${execline}/bin/redirfd -rnb 0 fifo
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${s6}/bin/s6-log -bpd3 -- t /run/uncaught-logs
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'';
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mode = "0755";
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};
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};
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getty = dir {
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run = {
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file = ''
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#!${execline}/bin/execlineb -P
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${busybox}/bin/getty -l ${busybox}/bin/login 38400 /dev/console
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'';
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mode = "0755";
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};
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};
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".s6-svscan" =
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let
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quit = message: ''
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#!${execline}/bin/execlineb -P
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${execline}/bin/redirfd -w 2 /dev/console
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${execline}/bin/fdmove -c 1 2
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${execline}/bin/foreground { ${s6-linux-init}/bin/s6-linux-init-echo -- ${message} }
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${s6-linux-init}/bin/s6-linux-init-hpr -fr
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'';
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shutdown = action: ''
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#!${execline}/bin/execlineb -P
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${s6-linux-init}/bin/s6-linux-init-hpr -a #{action} -- now
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'';
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empty = "#!${execline}/bin/execlineb -P\n";
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in dir {
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crash = {
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file = quit "s6-svscan crashed. Rebooting.";
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mode = "0755";
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};
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finish = {
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file = quit "s6-svscan exited. Rebooting.";
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mode = "0755";
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};
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SIGINT = {
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file = shutdown "-r";
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mode = "0755";
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};
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SIGPWR = {
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file = shutdown "-p";
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mode = "0755";
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};
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SIGQUIT = {
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file = empty;
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mode = "0755";
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};
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SIGTERM = {
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file = empty;
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mode = "0755";
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};
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SIGUSR1 = {
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file = shutdown "-p";
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mode = "0755";
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};
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SIGUSR2 = {
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file = shutdown "-h";
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mode = "0755";
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};
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SIGWINCH = {
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file = empty;
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mode = "0755";
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};
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};
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};
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uncaught-logs = (dir {}) // {mode = "2750";};
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};
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structure = { etc = dir { s6-linux-init = dir { current = dir {
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inherit bin scripts env run-image;
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};};};};
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in pseudofile "pseudo.s6-init" structure
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