Complete unstable configuration with home manager

custom/lockscreen/default.nix

@@ -3,8 +3,7 @@
 , rice
 , roboto
 , i3lock-color
-, update-background
-, writeScript
+, writeScriptBin
 , font ? { package = roboto; name = "Roboto"; }
 , palette ? rice.palette.palette {}
 , ...
@@ -12,7 +11,7 @@
 let
   strPalette = rice.palette.toRGBAHex palette;
 in
-writeScript "lockscreen.sh" ''
+writeScriptBin "lockscreen" ''
   #!/bin/sh
   # Using font package ${font.package}
   ${i3lock-color}/bin/i3lock-color \
@@ -53,6 +52,5 @@ writeScript "lockscreen.sh" ''
   --pass-media-keys \
   --pass-screen-keys \
   --pass-volume-keys \
-  --nofork &&
-  ${update-background}
-''
+  --nofork
+  ''

custom/update-background/default.nix

@@ -5,14 +5,14 @@
 , findutils
 , gnugrep
 , coreutils
-, writeScript
+, writeScriptBin
 , backgrounds_directory ? "$HOME/Immagini/Sfondi"}:
 let
   find = "${findutils}/bin/find";
   grep = "${gnugrep}/bin/grep";
   shuf = "${coreutils}/bin/shuf";
 in
-writeScript "update-background.sh" ''
+writeScriptBin "update-background" ''
   #!/bin/sh
   if [ $# -eq 0 ]; then
     image=`${find} ${backgrounds_directory} -type f | ${grep} -v "/\." | ${shuf} -n 1`