[DEVOPS-1120] nix: Add source filtering and a releaseLib-style jobset

Author: rvl

default.nix

@@ -5,4 +5,15 @@
 , gitrev ? iohkLib.commitIdFromGitRepo ./.
 }:
 
-import ./nix/pkgs.nix { inherit pkgs; }
+let
+  haskellPackages = import ./nix/pkgs.nix {
+    inherit pkgs;
+    src = iohkLib.cleanSourceHaskell ./.;
+  };
+
+in {
+  inherit haskellPackages;
+
+  inherit (haskellPackages.cardano-shell.components)
+    benchmarks exes library tests;
+}

nix/config.nix

@@ -0,0 +1 @@
+{}

nix/pkgs.nix

@@ -1,4 +1,6 @@
-{ pkgs ? import <nixpkgs> {}
+{ args ? { config = import ./config.nix; }
+, pkgs ? import <nixpkgs> { inherit args; }
+, src ? ../.
 }:
 let
   overrideWith = override: default:
@@ -57,6 +59,8 @@ let
     ];
     modules = [
       haskell.ghcHackagePatches.${compiler}
+
+      { packages.cardano-wallet.src = pkgs.lib.mkForce src; }
     ];
   };
 

release.nix

@@ -1,5 +1,34 @@
-with import ./default.nix {};
-{ cardano-shell         = cardano-shell.components.exes.cardano-shell-exe;
-  cardano-shell-tests   = cardano-shell.components.tests;
-  cardano-shell-library = cardano-shell.components.library;
-}
+############################################################################
+# Hydra release jobset
+#
+# Example build for Linux:
+#
+#   nix-build release.nix -A exes.cardano-shell-exe.x86_64-linux
+#
+############################################################################
+
+let
+  iohkLib = import ./nix/iohk-common.nix { application = "cardano-sl"; };
+  fixedNixpkgs = iohkLib.pkgs;
+
+in { supportedSystems ? [ "x86_64-linux" ]
+  , scrubJobs ? true
+  , cardano-shell ? { outPath = ./.; rev = "abcdef"; }
+  , nixpkgsArgs ? {
+      config = (import ./nix/config.nix // { allowUnfree = false; inHydra = true; });
+      gitrev = cardano-shell.rev;
+    }
+  }:
+
+with (import (fixedNixpkgs.path + "/pkgs/top-level/release-lib.nix") {
+  inherit supportedSystems scrubJobs nixpkgsArgs;
+  packageSet = import cardano-shell.outPath;
+});
+
+let
+  jobs = mapTestOn {
+    exes.cardano-shell-exe = supportedSystems;
+  };
+
+in
+  jobs

shell.nix

@@ -1,6 +1,6 @@
 let
   hsPkgs = import ./default.nix {};
-  mainShell = hsPkgs.cardano-shell.components.all;
+  mainShell = hsPkgs.haskellPackages.cardano-shell.components.all;
   pkgs = import (import ./nixpkgs.nix) { config = import ./config.nix; };
   runCoveralls = pkgs.stdenv.mkDerivation {
     name = "run-coveralls";