hydra: try to split up l0dables

hydra/combined.nix

@@ -5,8 +5,14 @@
 with pkgs;
 
 let
+  l0dables = buildEnv {
+    name = "l0dables";
+    paths = builtins.attrValues rustL0dables;
+    pathsToLink = [ "/apps" ];
+  };
   release = import ../release.nix {
-    inherit cFirmware rustL0dables;
+    inherit cFirmware;
+    rustL0dables = l0dables;
   };
   releaseZip = stdenv.mkDerivation {
     name = "card10-combined.zip";

hydra/l0dables.nix

@@ -13,7 +13,13 @@ let
     inherit pkgs mozillaOverlay;
     firmwareSrc = <firmware>;
   };
-  l0dables = project.l0dables.overrideAttrs (oldAttrs: {
+  l0dable = crate: project.l0dables.overrideAttrs (oldAttrs: {
+    name = "${oldAttrs.name}-${crate}";
+    buildPhase = ''
+      pushd ${crate}
+      ${oldAttrs.buildPhase}
+      popd
+    '';
     installPhase = ''
       ${oldAttrs.installPhase}
 
@@ -23,6 +29,12 @@ let
       done
     '';
   });
-in {
-  l0dables = pkgs.lib.hydraJob l0dables;
-}
+  crates =
+    pkgs.lib.filterAttrs (crate: type:
+      type == "directory" &&
+      builtins.pathExists (<rust-card10> + "/${crate}/Cargo.toml")
+    ) (builtins.readDir <rust-card10>);
+in
+builtins.mapAttrs (crate: type:
+  pkgs.lib.hydraJob (l0dable crate)
+) crates