mbp
This commit is contained in:
mjallen18
173
modules/nixos/wallpaper/default.nix
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173
modules/nixos/wallpaper/default.nix
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@@ -0,0 +1,173 @@
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{
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config,
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lib,
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pkgs,
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namespace,
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...
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}:
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let
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cfg = config.${namespace}.wallpaper;
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wallpaper-command = if cfg.source == "nasa" then "nasa-wallpaper" else "bing-wallpaper";
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# System activation script to ensure wallpaper is available early in boot
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wallpaper-activation-script = ''
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# Create wallpaper directory if it doesn't exist
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mkdir -p ${cfg.dir}
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# Copy default wallpaper as fallback if it doesn't exist
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if [ ! -f ${cfg.dir}/fallback.jpg ]; then
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cp ${cfg.defaultWallpaper} ${cfg.dir}/fallback.jpg
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fi
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# If no current wallpaper exists, use the fallback
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if [ ! -f ${cfg.dir}/current.jpg ]; then
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cp ${cfg.dir}/fallback.jpg ${cfg.dir}/current.jpg
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fi
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# Create symlink for Plymouth and display manager
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ln -sf ${cfg.dir}/current.jpg /run/wallpaper.jpg
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'';
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bing-wallpaper = pkgs.writeScriptBin "bing-wallpaper" ''
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# Directory to store wallpapers
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WALLPAPER_DIR="${cfg.dir}"
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IMG_PATH="$WALLPAPER_DIR/current.jpg"
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FALLBACK_PATH="$WALLPAPER_DIR/fallback.jpg"
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# Ensure directory exists
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mkdir -p "$WALLPAPER_DIR"
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# Update symlink
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ln -sf "$IMG_PATH" /run/wallpaper.jpg
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# Try to download new wallpaper
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if ${lib.getExe pkgs.curl} -s --connect-timeout 5 --max-time 10 "https://www.bing.com" > /dev/null; then
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URL=$(${lib.getExe pkgs.curl} -s "https://www.bing.com/HPImageArchive.aspx?format=js&idx=0&n=1" | \
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${lib.getExe pkgs.jq} -r '.images[0].url')
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FULL_URL="https://www.bing.com$URL"
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if ${lib.getExe pkgs.curl} -s -o "$IMG_PATH.tmp" "$FULL_URL"; then
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mv "$IMG_PATH.tmp" "$IMG_PATH"
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echo "Downloaded $FULL_URL to $IMG_PATH successfully"
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else
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echo "Failed to download Bing wallpaper, using previous or fallback"
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if [ ! -f "$IMG_PATH" ] && [ -f "$FALLBACK_PATH" ]; then
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cp "$FALLBACK_PATH" "$IMG_PATH"
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fi
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fi
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else
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echo "Network unavailable, using previous or fallback wallpaper"
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if [ ! -f "$IMG_PATH" ] && [ -f "$FALLBACK_PATH" ]; then
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cp "$FALLBACK_PATH" "$IMG_PATH"
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fi
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fi
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'';
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nasa-wallpaper = pkgs.writeScriptBin "nasa-wallpaper" ''
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# Directory to store wallpapers
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WALLPAPER_DIR="${cfg.dir}"
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IMG_PATH="$WALLPAPER_DIR/current.jpg"
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FALLBACK_PATH="$WALLPAPER_DIR/fallback.jpg"
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# Ensure directory exists
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mkdir -p "$WALLPAPER_DIR"
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# Update symlink
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ln -sf "$IMG_PATH" /run/wallpaper.jpg
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# Try to download new wallpaper
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if ${lib.getExe pkgs.curl} -s --connect-timeout 5 --max-time 10 "https://api.nasa.gov" > /dev/null; then
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APOD_URL="https://api.nasa.gov/planetary/apod?api_key=DEMO_KEY"
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IMAGE_URL=$(${lib.getExe pkgs.curl} -s "$APOD_URL" | ${lib.getExe pkgs.jq} -r '.hdurl // .url')
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if ${lib.getExe pkgs.curl} -s -o "$IMG_PATH.tmp" "$IMAGE_URL"; then
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mv "$IMG_PATH.tmp" "$IMG_PATH"
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echo "Downloaded $IMAGE_URL to $IMG_PATH successfully"
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else
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echo "Failed to download NASA wallpaper, using previous or fallback"
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if [ ! -f "$IMG_PATH" ] && [ -f "$FALLBACK_PATH" ]; then
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cp "$FALLBACK_PATH" "$IMG_PATH"
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fi
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fi
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else
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echo "Network unavailable, using previous or fallback wallpaper"
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if [ ! -f "$IMG_PATH" ] && [ -f "$FALLBACK_PATH" ]; then
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cp "$FALLBACK_PATH" "$IMG_PATH"
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fi
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fi
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'';
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reloadScript = lib.optionalString (cfg.reloadCommand != null) cfg.reloadCommand;
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in
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{
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imports = [ ./options.nix ];
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config = lib.mkIf cfg.enable {
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environment.systemPackages = [
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bing-wallpaper
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nasa-wallpaper
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];
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# Ensure wallpaper directory and symlink exist before the display manager starts
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system.activationScripts.wallpaper = wallpaper-activation-script;
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systemd = {
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services = {
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# System-level: download on boot after network is available
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preload-wallpaper = {
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enable = true;
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wants = [ "network-online.target" ];
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after = [ "network-online.target" ];
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path = [
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pkgs.bash
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pkgs.jq
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pkgs.curl
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bing-wallpaper
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nasa-wallpaper
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];
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script = ''
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${wallpaper-command}
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'';
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serviceConfig = {
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Type = "oneshot";
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TimeoutSec = "10s";
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};
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};
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};
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user = {
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services = {
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# User-level: daily refresh + optional DE hot-reload
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reload-wallpaper = {
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enable = true;
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path = [
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pkgs.bash
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pkgs.jq
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pkgs.curl
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bing-wallpaper
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nasa-wallpaper
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];
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script = ''
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${wallpaper-command}
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${reloadScript}
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'';
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serviceConfig = {
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Type = "oneshot";
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};
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};
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};
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timers = {
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reload-wallpaper = {
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description = "Timer for reload-wallpaper";
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wantedBy = [ "timers.target" ];
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timerConfig = {
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OnCalendar = "daily";
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Persistent = true;
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Unit = "reload-wallpaper.service";
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};
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};
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};
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};
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};
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};
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}
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36
modules/nixos/wallpaper/options.nix
Normal file
36
modules/nixos/wallpaper/options.nix
Normal file
@@ -0,0 +1,36 @@
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{
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lib,
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pkgs,
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namespace,
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...
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}:
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with lib;
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let
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inherit (lib.${namespace}) mkOpt;
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# Default fallback wallpaper (included in the system)
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defaultWallpaper = pkgs.runCommand "default-wallpaper" { } ''
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mkdir -p $out
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cp ${pkgs.nixos-artwork.wallpapers.nineish-dark-gray}/share/backgrounds/nixos/nix-wallpaper-nineish-dark-gray.png $out/default.jpg
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'';
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in
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{
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options.${namespace}.wallpaper = {
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enable = mkEnableOption "shared wallpaper management (download, symlink, and boot integration)";
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source = mkOpt (types.enum [
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"bing"
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"nasa"
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]) "bing" "Source for the wallpaper (bing or nasa)";
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path = mkOpt types.path "/var/lib/wallpapers/current.jpg" "Path to the active wallpaper file";
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dir = mkOpt types.path "/var/lib/wallpapers" "Directory where wallpapers are stored";
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defaultWallpaper = mkOpt types.path "${defaultWallpaper}/default.jpg" "Default fallback wallpaper";
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reloadCommand =
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mkOpt (types.nullOr types.str) null
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"Optional shell command run after downloading a new wallpaper to notify the desktop environment. If null, no reload command is run.";
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};
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}
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