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Previously, the activation script was responsible for ensuring that /etc/machine-id exists. However, the only time it could not already exist is during stage-2-init, not while switching configurations, because one of the first things systemd does when starting up as PID 1 is to create this file. So I've moved the initialization to stage-2-init. Furthermore, since systemd will do the equivalent of systemd-machine-id-setup if /etc/machine-id doesn't have valid contents, we don't need to do that ourselves. We _do_, however, want to ensure that the file at least exists, because systemd also uses the non-existence of this file to guess that this is a first-boot situation. In that case, systemd tries to create some symlinks in /etc/systemd/system according to its presets, which it can't do because we've already populated /etc according to the current NixOS configuration. This is not necessary for any other activation script snippets, so it's okay to do it after stage-2-init runs the activation script. None of them declare a dependency on the "systemd" snippet. Also, most of them only create files or directories in ways that obviously don't need the machine-id set. |
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| .. | ||
| loader | ||
| binfmt.nix | ||
| coredump.nix | ||
| emergency-mode.nix | ||
| grow-partition.nix | ||
| initrd-network.nix | ||
| initrd-ssh.nix | ||
| kernel.nix | ||
| kexec.nix | ||
| luksroot.nix | ||
| modprobe.nix | ||
| networkd.nix | ||
| pbkdf2-sha512.c | ||
| plymouth.nix | ||
| resolved.nix | ||
| shutdown.nix | ||
| stage-1-init.sh | ||
| stage-1.nix | ||
| stage-2-init.sh | ||
| stage-2.nix | ||
| systemd-lib.nix | ||
| systemd-nspawn.nix | ||
| systemd-unit-options.nix | ||
| systemd.nix | ||
| timesyncd.nix | ||
| tmp.nix | ||