30 lines
992 B
Nix
30 lines
992 B
Nix
{ config, lib, pkgs, sources, ... }:
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let
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self = sources.self;
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formatDate = date: with lib.strings;
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let
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year = substring 0 4 date;
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month = substring 4 2 date;
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day = substring 6 2 date;
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hour = substring 8 2 date;
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minute = substring 10 2 date;
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second = substring 12 2 date;
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in
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"${year}-${month}-${day} ${hour}:${minute}:${second} UTC";
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in
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{
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system.nixos.label = "${config.system.nixos.release}-haccfiles-${self.shortRev or self.dirtyShortRev}";
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users.motd = ''
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Welcome to ${config.networking.hostName}, running NixOS ${config.system.nixos.release}!
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Built from haccfiles ${self.rev or self.dirtyRev}.
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Last commit was at ${formatDate self.lastModifiedDate}.
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${if self ? dirtyRev then "\nPlease remember to commit your changes.\n" else ""}
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'';
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# used by monit
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environment.etc."haccfiles-commit".text = self.rev or self.dirtyRev;
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environment.etc."haccfiles-timestamp".text = builtins.toString self.lastModified;
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}
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