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flake.nix
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flake.nix
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{
description = "A very basic flake";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
};
outputs = {
self,
nixpkgs,
}: {
nixosModules = rec {
default = youtube-dl;
youtube-dl = {
config,
pkgs,
lib,
...
}: let
cfg = config.services.youtube-dl;
inherit (lib) getExe mkOption mkIf mkMerge types mkDefault;
in {
imports = [];
options.services.youtube-dl = {
delay = mkOption {
default = "5m";
type = types.str;
};
user = mkOption {
default = "tod";
type = types.str;
};
group = mkOption {
default = "users";
type = types.str;
};
freq = mkOption {
default = "2h";
type = types.str;
};
scanDepth = mkOption {
default = "4";
type = types.str;
};
targets = mkOption {
default = [];
type = with types;
listOf (submodule {
options = {
name = mkOption {type = types.str;};
channel = mkOption {type = types.str;};
dest = mkOption {type = types.str;};
};
});
};
};
config.systemd = let
services =
map (t: {
services."youtube-dl-${t.name}" = {
script = ''
mkdir -p ${t.dest}/$(date -d "today" "+%Y%m%d")
cd ${t.dest}/$(date -d "today" "+%Y%m%d")
${getExe pkgs.yt-dlp} ${t.channel} --playlist-end ${self.scanDepth} --dateafter today --no-cache-dir
rmdir ${t.dest}/$(date -d "today" "+%Y%m%d") 2> /dev/null || true
'';
serviceConfig = {
User = self.user;
Group = self.group;
Type = "oneshot";
};
};
timers."youtube-dl-${t.name}" = {
wantedBy = ["timers.target"];
timerConfig = {
OnBootSec = "${self.delay}";
OnUnitInactiveSec = "${self.freq}";
Unit = "youtube-dl-${t.name}.service";
};
};
})
config.services.youtube-dl.targets;
in
mkMerge services;
};
};
};
}