| 23 Jan 2025 |
 @elvishjerricco:matrix.org | wait | 02:56:25 |
| @elvishjerricco:matrix.org | nevermind | 02:56:26 |
| @elvishjerricco:matrix.org | wait, nevermind again, that'll work :P | 02:56:33 |
 matthewcroughan | This is a clustrerfuck | 02:57:06 |
| matthewcroughan | * This is a clusterfuck | 02:57:08 |
| @elvishjerricco:matrix.org | fileSystems."/nix/store" = {
device = "/run/store.squashfs";
fsType = "squashfs";
options = [ "loop" ];
};
boot.initrd.systemd.services.copytoram = {
before = [ "sysroot-nix-store.mount" ];
after = [ "dev-disk-by\\x2dpartlabel-nix\\x2dstore.device" ];
requires = [ "dev-disk-by\\x2dpartlabel-nix\\x2dstore.device" ];
serviceConfig.ExecStart = "${pkgs.coreutils}/bin/dd if=/dev/disk/by-partlabel/nix-store of=/run/store.squashfs";
serviceConfig.Type = "oneshot";
requiredBy = [ "initrd.target" ];
};
| 02:57:08 |
| matthewcroughan | but in the end, it does produce some nice readable code | 02:57:14 |
| matthewcroughan | I can't believe how much of a clusterfuck it can be though | 02:57:19 |
| @elvishjerricco:matrix.org | yea, systemd initrd gets a little tricky | 02:57:20 |
| @elvishjerricco:matrix.org | because it makes everything extremely explicit | 02:57:37 |
| matthewcroughan | When I look at stuff like this, I think it's a miracle things work so well | 02:57:39 |
| matthewcroughan | But it's even more fragile in the initrd shell scripts that came before hand | 02:57:59 |
| matthewcroughan | These images are really quite nice to build as wel | 02:58:34 |
| matthewcroughan | * These images are really quite nice to build as well | 02:58:36 |
| matthewcroughan | I guess you can still nixos-rebuild switch this setup, since /boot is left in tact | 02:58:53 |
| matthewcroughan | as long as you have enough ram 🤔 | 02:58:58 |
| @elvishjerricco:matrix.org | well, you'll need a writable store for that | 02:59:16 |
| @elvishjerricco:matrix.org | which means overlayfs shenanigans | 02:59:23 |
| matthewcroughan | I was reading about systemd switch root stuff, and it has a soft switch mode | 03:00:39 |
| @elvishjerricco:matrix.org | you mean soft-reboot? | 03:00:55 |
| @elvishjerricco:matrix.org | that's complicated | 03:01:00 |
| matthewcroughan | soft-reboot yeah | 03:01:05 |
| @elvishjerricco:matrix.org | and we should not get into it right now :P | 03:01:05 |
| matthewcroughan | if you used that, you could soft-reboot into an "upgradable" state, and then perform your nixos-rebuild, and then switch back | 03:01:28 |
| matthewcroughan | having a rw specialisation | 03:01:41 |
| @elvishjerricco:matrix.org | like I said, it's complicated. More complicated than that | 03:01:51 |
| matthewcroughan | switch into the rw specialisation with soft-reboot, then soft-reboot into the ro generation | 03:01:55 |
| matthewcroughan | hehe okay, I will play with that on my own since it seems fun | 03:02:06 |
| matthewcroughan | [Unit]
Description=My Surviving Service
SurviveFinalKillSignal=yes
| 03:02:19 |
| matthewcroughan | so much death | 03:02:20 |
