update

assets/scripts/default.nix

@@ -1,8 +1,12 @@
 { pkgs, ... }:
 let
   misskey-scripts = pkgs.callPackage ./misskey.nix {};
+  feh-wallpaper = pkgs.callPackage ./feh-wallpaper.nix {};
 in
 pkgs.symlinkJoin {
   name = "my-scripts";
-  paths = [misskey-scripts];
+  paths = [
+    misskey-scripts
+    feh-wallpaper
+  ];
 }

assets/scripts/feh-wallpaper.nix

@@ -0,0 +1,19 @@
+{ pkgs, ... }:
+let
+  feh-wallpaper-getRandom = pkgs.writeShellApplication {
+    name = "feh-wallpaper-getRandom";
+    runtimeInputs = with pkgs; [
+      feh
+    ];
+    text = ''
+      bgs=$MY_RICING_ASSETS_PATH/usr/local/share/wallpapers
+      feh --bg-fill --randomize "$bgs"/*
+    '';
+  };
+in
+pkgs.symlinkJoin {
+  name = "feh-wallpaper";
+  paths = [
+    feh-wallpaper-getRandom
+  ];
+}

assets/scripts/misskey.nix

@@ -7,25 +7,24 @@ let
       jq
     ];
     text = ''
-      if [ ! -e /tmp//misskey-scripts/getLatestN1.fifo ]; then
+      if [ ! -e /tmp//misskey-scripts/getLatestN.fifo ]; then
           mkdir -p /tmp/misskey-scripts
-          mkfifo /tmp/misskey-scripts/getLatestN1.fifo
-      fi
-      if [ ! -e /tmp//misskey-scripts/getLatestN2.fifo ]; then
-          mkdir -p /tmp/misskey-scripts
-          mkfifo /tmp/misskey-scripts/getLatestN2.fifo
+          mkfifo /tmp/misskey-scripts/getLatestN.fifo
       fi
 
-      pipeLocation1=/tmp/misskey-scripts/getLatestN1.fifo
-      pipeLocation2=/tmp/misskey-scripts/getLatestN2.fifo
+      limitNum=$1
+      delim=$2
+      pipeLocation=/tmp/misskey-scripts/getLatestN.fifo
+      queryText='.[].text + '
+      queryText+='"'
+      queryText+="$delim"
+      queryText+='"'
 
-      curl https://misskey.io/api/notes -s --request POST --header 'Content-Type: application/json' --data "{\"local\": true, \"reply\": false, \"renote\": false, \"withFiles\": false, \"poll\": false, \"limit\": $1}" > "$pipeLocation1" &
-
-      jq -M -r '.[].text' < $pipeLocation1 > $pipeLocation2 &
+      jq -M -r "$queryText" <(curl https://misskey.io/api/notes -s --request POST --header 'Content-Type: application/json' --data "{\"local\": true, \"reply\": false, \"renote\": false, \"withFiles\": false, \"poll\": false, \"limit\": $limitNum}") > $pipeLocation &
 
       while read -r line; do
           echo "$line"
-      done < $pipeLocation2
+      done < $pipeLocation
       wait
     '';
   };