Add haskell.nix to release.nix and shell.nix

.gitignore

@@ -36,3 +36,4 @@ hsenv.log
 /ghci-tmp
 *.dump-*
 *.verbose-core2core
+.nix

nix/deps/haskell.nix/github.json

@@ -0,0 +1,8 @@
+{
+  "owner": "input-output-hk",
+  "repo": "haskell.nix",
+  "branch": "master",
+  "private": false,
+  "rev": "d8c50dcaf3d3d589829ee9be9d5dba8279b8cc59",
+  "sha256": "0a5hgryz6nszmy67yf1aks399h2aw0nj845518c4prs5c6ns1z7p"
+}

nix/deps/nix-haskell/github.json

@@ -0,0 +1,8 @@
+{
+  "owner": "ymeister",
+  "repo": "nix-haskell",
+  "branch": "main",
+  "private": false,
+  "rev": "6e8f6d87bda381f40461af5b8f7420fb58c5a1b3",
+  "sha256": "0scnj4rxfss574cik8bvd6d5xnk2n9jrkhmmfycyxaam8i3srcg6"
+}

nix/deps/nixpkgs/default.nix

@@ -0,0 +1,2 @@
+# DO NOT HAND-EDIT THIS FILE
+import (import ./thunk.nix)

nix/deps/nixpkgs/thunk.nix

@@ -0,0 +1,12 @@
+# DO NOT HAND-EDIT THIS FILE
+let fetch = { private ? false, fetchSubmodules ? false, owner, repo, rev, sha256, ... }:
+  if !fetchSubmodules && !private then builtins.fetchTarball {
+    url = "https://github.com/${owner}/${repo}/archive/${rev}.tar.gz"; inherit sha256;
+  } else (import (builtins.fetchTarball {
+  url = "https://github.com/NixOS/nixpkgs/archive/3aad50c30c826430b0270fcf8264c8c41b005403.tar.gz";
+  sha256 = "0xwqsf08sywd23x0xvw4c4ghq0l28w2ki22h0bdn766i16z9q2gr";
+}) {}).fetchFromGitHub {
+    inherit owner repo rev sha256 fetchSubmodules private;
+  };
+  json = builtins.fromJSON (builtins.readFile ./github.json);
+in fetch json

nix/deps/reflex-platform/default.nix

@@ -0,0 +1,2 @@
+# DO NOT HAND-EDIT THIS FILE
+import (import ./thunk.nix)

nix/deps/reflex-platform/thunk.nix

@@ -0,0 +1,12 @@
+# DO NOT HAND-EDIT THIS FILE
+let fetch = { private ? false, fetchSubmodules ? false, owner, repo, rev, sha256, ... }:
+  if !fetchSubmodules && !private then builtins.fetchTarball {
+    url = "https://github.com/${owner}/${repo}/archive/${rev}.tar.gz"; inherit sha256;
+  } else (import (builtins.fetchTarball {
+  url = "https://github.com/NixOS/nixpkgs/archive/3aad50c30c826430b0270fcf8264c8c41b005403.tar.gz";
+  sha256 = "0xwqsf08sywd23x0xvw4c4ghq0l28w2ki22h0bdn766i16z9q2gr";
+}) {}).fetchFromGitHub {
+    inherit owner repo rev sha256 fetchSubmodules private;
+  };
+  json = builtins.fromJSON (builtins.readFile ./github.json);
+in fetch json

nix/release/haskell.nix

@@ -0,0 +1,44 @@
+{ haskellNix ? ../deps/haskell.nix }:
+
+let haskell = import ../deps/nix-haskell { inherit haskellNix; };
+    pkgs = haskell.pkgs;
+
+    platforms = [
+      "gnu64"
+      "ghcjs"
+    ];
+    compilers = [
+      "ghc94"
+      "ghc96"
+      "ghc98"
+      "ghc910"
+    ];
+
+    project = compiler: (haskell.project {
+      project = {
+        src = ../../.;
+        compiler-nix-name = compiler;
+      };
+    });
+
+    perCompiler = proj: with pkgs.lib; genAttrs compilers (compiler:
+      proj compiler
+    );
+    perPlatform = with pkgs.lib; genAttrs platforms (platform:
+      perCompiler (compiler: (project compiler).projectCross.${platform}.projectCoverageReport)
+    );
+
+in with pkgs.lib; pkgs.runCommand "release" {} ''
+  mkdir -p $out
+
+  ${
+    concatStringsSep "\n"
+      (forEach platforms (platform:
+        concatStringsSep "\n"
+          (forEach compilers (compiler: ''
+            mkdir -p "$out/${platform}"
+            ln -s "${perPlatform.${platform}.${compiler}}" "$out/${platform}/${compiler}"
+          ''))
+      ))
+  }
+''

nix/release/reflex-platform.nix

@@ -0,0 +1,66 @@
+{ reflex-platform-fun ? import ../deps/reflex-platform
+}:
+
+let native-reflex-platform = reflex-platform-fun { __useNewerCompiler = true; };
+    inherit (native-reflex-platform.nixpkgs) lib;
+    systems = [
+      "x86_64-linux"
+      # "x86_64-darwin"
+    ];
+
+    perPlatform = lib.genAttrs systems (system: let
+      srcFilter =
+        builtins.filterSource (path: type: !(builtins.elem (baseNameOf path) [
+          "release.nix"
+          ".git"
+          "dist"
+          "dist-newstyle"
+          "cabal.haskell-ci"
+          "cabal.project"
+          ".travis.yml"
+        ]));
+      reflex-platform = reflex-platform-fun { inherit system; __useNewerCompiler = true; };
+      compilers = [
+        "ghc"
+        "ghcjs"
+      ] ++ lib.optionals (reflex-platform.androidSupport) [
+        "ghcAndroidAarch64"
+        "ghcAndroidAarch32"
+      ] ++ lib.optionals (reflex-platform.iosSupport) [
+        "ghcIosAarch64"
+      ];
+      nixpkgsGhcs =
+        let
+          pkgs = import ../deps/nixpkgs { inherit system; };
+          nixGhc945 = pkgs.haskell.packages.ghc945.override {
+          };
+          nixGhc961 = pkgs.haskell.packages.ghc961.override {
+          };
+        in
+        {
+          ghc945 = nixGhc945.callCabal2nix "patch" srcFilter {};
+          ghc961 = nixGhc961.callCabal2nix "patch" srcFilter {};
+        };
+      compilerPkgs = lib.genAttrs compilers (ghc: let
+        reflex-platform = reflex-platform-fun {
+          inherit system;
+          __useNewerCompiler = true;
+          haskellOverlays = [
+            # Use this package's source for reflex
+            (self: super: {
+              _dep = super._dep // {
+                patch = srcFilter ../../.;
+              };
+            })
+          ];
+        };
+      in reflex-platform.${ghc}.patch);
+    in compilerPkgs // nixpkgsGhcs // {
+      cache = reflex-platform.pinBuildInputs "patch-${system}"
+        (builtins.attrValues compilerPkgs);
+    });
+
+    metaCache = native-reflex-platform.pinBuildInputs "patch-everywhere"
+      (map (a: a.cache) (builtins.attrValues perPlatform));
+
+in perPlatform // { inherit metaCache; }

nix/shell/haskell.nix

@@ -0,0 +1,12 @@
+{ haskellNix ? ../deps/haskell.nix }:
+
+let haskell = import ../deps/nix-haskell { inherit haskellNix; };
+
+    project = haskell.project {
+      project = {
+        src = ../../.;
+        compiler-nix-name = "ghc910";
+      };
+    };
+
+in project

nix/shell/reflex-platform.nix

@@ -0,0 +1,15 @@
+let
+  rp = import ../deps/reflex-platform { __useNewerCompiler = true; };
+  pkgs = rp.nixpkgs;
+  system = builtins.currentSystem;
+in
+  pkgs.mkShell {
+    name = "shell";
+    buildInputs = [
+      pkgs.cabal-install
+      pkgs.ghcid
+    ];
+    inputsFrom = [
+      (import ../release/reflex-platform.nix {}).${system}.ghc.env
+    ];
+  }

release.nix

@@ -1,62 +1,11 @@
-{ reflex-platform-fun ? import ./dep/reflex-platform
-}:
+{ pkgs ? import <nixpkgs> {} }:
 
-let
-  native-reflex-platform = reflex-platform-fun { __useNewerCompiler = true; };
-  inherit (native-reflex-platform.nixpkgs) lib;
-  systems = ["x86_64-linux"];
+let reflex-platform-release = import ./nix/release/reflex-platform.nix {};
+    haskell-nix-release = import ./nix/release/haskell.nix {};
 
-  perPlatform = lib.genAttrs systems (system: let
-    reflex-platform = reflex-platform-fun { inherit system; __useNewerCompiler = true; };
-    compilers = [
-      "ghc"
-      "ghcjs"
-    ] ++ lib.optionals (reflex-platform.androidSupport) [
-      "ghcAndroidAarch64"
-      "ghcAndroidAarch32"
-    ] ++ lib.optionals (reflex-platform.iosSupport) [
-      "ghcIosAarch64"
-    ];
-    nixpkgsGhcs =
-      let
-        pkgs = import ./nixpkgs { inherit system; };
-        nixGhc945 = pkgs.haskell.packages.ghc945.override {
-        };
-        nixGhc961 = pkgs.haskell.packages.ghc961.override {
-        };
-      in
-      {
-        ghc945 = nixGhc945.callCabal2nix "patch" (import ./src.nix) {};
-        ghc961 = nixGhc961.callCabal2nix "patch" (import ./src.nix) {};
-      };
-    compilerPkgs = lib.genAttrs compilers (ghc: let
-      reflex-platform = reflex-platform-fun {
-        inherit system;
-        __useNewerCompiler = true;
-        haskellOverlays = [
-          # Use this package's source for reflex
-          (self: super: {
-            _dep = super._dep // {
-              patch = builtins.filterSource (path: type: !(builtins.elem (baseNameOf path) [
-                "release.nix"
-                ".git"
-                "dist"
-                "dist-newstyle"
-                "cabal.haskell-ci"
-                "cabal.project"
-                ".travis.yml"
-              ])) ./.;
-            };
-          })
-        ];
-      };
-    in reflex-platform.${ghc}.patch);
-  in compilerPkgs // nixpkgsGhcs // {
-    cache = reflex-platform.pinBuildInputs "patch-${system}"
-      (builtins.attrValues compilerPkgs);
-  });
+in pkgs.runCommand "release" {} ''
+  mkdir -p $out
 
-  metaCache = native-reflex-platform.pinBuildInputs "patch-everywhere"
-    (map (a: a.cache) (builtins.attrValues perPlatform));
-
-in perPlatform // { inherit metaCache; }
+  ln -s ${reflex-platform-release.metaCache} $out/reflex-platform
+  ln -s ${haskell-nix-release} $out/haskell-nix
+''

shell.nix

@@ -1,15 +1,9 @@
-let
-  rp = import ./dep/reflex-platform { __useNewerCompiler = true; };
-  pkgs = rp.nixpkgs;
-  system = builtins.currentSystem;
-in
-  pkgs.mkShell {
-    name = "shell";
-    buildInputs = [
-      pkgs.cabal-install
-      pkgs.ghcid
-    ];
-    inputsFrom = [
-      (import ./release.nix {}).${system}.ghc.env
-    ];
-  }
+{ pkgs ? import <nixpkgs> {} }:
+
+let reflex-platform-shell = import ./nix/shell/reflex-platform.nix;
+    haskell-nix-shell = import ./nix/shell/haskell.nix {};
+
+in {
+  inherit reflex-platform-shell;
+  inherit haskell-nix-shell;
+}