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https://github.com/CHN-beta/nixos.git
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62 lines
2.0 KiB
Nix
62 lines
2.0 KiB
Nix
inputs:
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{
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options.nixos.system.impermanence = let inherit (inputs.lib) mkOption types; in
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{
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enable = mkOption { type = types.bool; default = false; };
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persistence = mkOption { type = types.nonEmptyStr; default = "/nix/persistent"; };
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root = mkOption { type = types.nonEmptyStr; default = "/nix/rootfs/current"; };
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nodatacow = mkOption { type = types.nullOr types.nonEmptyStr; default = "/nix/nodatacow"; };
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};
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config =
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let
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inherit (inputs.lib) mkIf;
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inherit (inputs.config.nixos.system) impermanence;
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in mkIf impermanence.enable
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{
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environment.persistence =
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{
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"${impermanence.persistence}" =
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{
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hideMounts = true;
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directories =
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[
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"/etc/NetworkManager/system-connections"
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"/home"
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"/root"
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"/var/db"
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"/var/lib"
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"/var/log"
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"/var/spool"
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"/var/backup"
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];
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files =
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[
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"/etc/machine-id"
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"/etc/ssh/ssh_host_ed25519_key.pub"
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"/etc/ssh/ssh_host_ed25519_key"
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"/etc/ssh/ssh_host_rsa_key.pub"
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"/etc/ssh/ssh_host_rsa_key"
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];
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};
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"${impermanence.root}" =
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{
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hideMounts = true;
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directories = []
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++ (if inputs.config.services.xserver.displayManager.sddm.enable then
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[{ directory = "/var/lib/sddm"; user = "sddm"; group = "sddm"; mode = "0700"; }] else []);
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};
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"${impermanence.nodatacow}" =
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{
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hideMounts = true;
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directories =
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(
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if inputs.config.nixos.services.postgresql.enable then let user = inputs.config.users.users.postgres; in
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[{ directory = "/var/lib/postgresql"; user = user.name; group = user.group; mode = "0750"; }]
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else []
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)
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++ (if inputs.config.nixos.services.meilisearch.instances != {} then [ "/var/lib/meilisearch" ] else []);
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};
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};
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};
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}
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