mirror of
https://git.sr.ht/~magic_rb/dotfiles
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122 lines
2.9 KiB
Nix
122 lines
2.9 KiB
Nix
{ inputs', pkgs, ... }:
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{
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nixpkgs.overlays = [
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inputs'.self.overlays.show-files-to-be-deleted
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];
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environment.systemPackages = [
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pkgs.show-files-to-be-deleted
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];
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environment.persistence."/nix/persist" = {
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hideMounts = true;
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directories = [
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"/var/log"
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"/var/lib/bluetooth"
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"/var/lib/nixos"
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"/var/lib/systemd/coredump"
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"/var/lib/iwd"
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"/var/lib/syncthing"
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];
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files = [
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"/etc/machine-id"
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"/etc/ssh/ssh_host_rsa_key"
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"/etc/ssh/ssh_host_rsa_key.pub"
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"/etc/ssh/ssh_host_ed25519_key"
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"/etc/ssh/ssh_host_ed25519_key.pub"
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];
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users.main = {
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directories = [
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"sync"
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".steam"
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".local/share/Steam"
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".emacs.d"
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"roam"
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"dotfiles"
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"Documents"
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{ directory = ".gnupg"; mode = "0700"; }
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{ directory = ".ssh"; mode = "0700"; }
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".local/share/direnv"
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"repos"
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".config/SchildiChat"
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".config/matlab"
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".matlab"
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"MATLAB"
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".stack"
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".cache/nix"
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".cache/fontconfig"
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".cache/mesa_shader_cache"
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".cache/ghcide"
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".local/share/pantalaimon"
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"Mail"
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".cache/mu"
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".gradle"
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];
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files = [
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{ file = ".config/wallpaper"; method = "symlink"; }
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];
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};
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};
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boot.initrd.systemd.storePaths = with pkgs; [
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zfs
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busybox
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];
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boot.initrd.systemd.services.rollback = {
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description = "Rollback ZFS datasets to a pristine state";
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wantedBy = [
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"initrd.target"
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];
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after = [
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"zfs-import-omen-ssd.service"
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];
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before = [
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"sysroot.mount"
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];
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path = with pkgs; [
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zfs
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busybox
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];
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unitConfig.DefaultDependencies = "no";
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serviceConfig.Type = "oneshot";
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script = ''
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generation="$(zfs get :generation omen-ssd/ephemeral/home -H -o value)"
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dataset="omen-ssd/ephemeral/home"
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generation="$(("$generation" + 1))"
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zfs set ":generation=$generation" "$dataset"
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zfs send "$dataset" | zfs recv "$dataset/$generation"
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zfs rollback "$dataset@blank" && echo "rollback complete"
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while IFS="\n" read gen
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do
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echo "$gen < $(("$generation" - 10))"
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if [ "$gen" -lt "$(("$generation" - 10))" ]; then
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zfs destroy -r "$dataset/$gen"
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echo "destroyed "
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fi
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done <<< "$(zfs list "omen-ssd/ephemeral/home" -t filesystem -r -H -o name | xargs -I {} ${pkgs.runtimeShell} -c 'echo "$1" | rev | cut -f 1 -d "/" | rev' sh {} | grep -v home)"
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'';
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};
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systemd.services."home-manager-main-pre.service" = {
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description = "Home Manager environment prestart for main";
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wantedBy = [ "multi-user.target" ];
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before = [ "home-manager-main.service" ];
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script = ''
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set -e
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mkdir -p /home/main
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chown 1000:1000 /home/main
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'';
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = "yes";
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TimeoutStartSec = "5m";
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};
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};
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}
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