cascadia-code: put install commands on seperate lines

Author: DynamicGoose

pkgs/by-name/ca/cascadia-code/package.nix

@@ -20,9 +20,14 @@ stdenvNoCC.mkDerivation (finalAttrs: {
 
     ${
       if useVariableFont then
-        "install -Dm644 ttf/*.ttf -t $out/share/fonts/truetype"
+        ''
+          install -Dm644 ttf/*.ttf -t $out/share/fonts/truetype
+        ''
       else
-        "install -Dm644 otf/static/*.otf -t $out/share/fonts/opentype && install -Dm644 ttf/static/*.ttf -t $out/share/fonts/truetype"
+        ''
+          install -Dm644 otf/static/*.otf -t $out/share/fonts/opentype
+          install -Dm644 ttf/static/*.ttf -t $out/share/fonts/truetype
+        ''
     }
 
     runHook postInstall