Add a multi-repl-enabled cabal to shell

We can remove this once a cabal with multi-repl-support has been released.
IntersectMBO · Jul 18, 2023 · 9a25db1 · 9a25db1
1 parent 4a834d2
commit 9a25db1
Show file tree

Hide file tree

Showing 2 changed files with 22 additions and 0 deletions.
diff --git a/nix/shell.nix b/nix/shell.nix
@@ -6,6 +6,7 @@ in
 hsPkgs.shellFor {
   nativeBuildInputs = [
     pkgs.cabal
+    pkgs.cabal-multi-repl
     pkgs.fd
     pkgs.nixpkgs-fmt
     pkgs.stylish-haskell

diff --git a/nix/tools.nix b/nix/tools.nix
@@ -13,6 +13,27 @@ in
 
   cabal = tool "cabal" "latest" { };
 
+  cabal-multi-repl = (final.haskell-nix.cabalProject {
+    # cabal master commit containing https://github.com/haskell/cabal/pull/8726
+    src = final.fetchFromGitHub {
+      owner = "haskell";
+      repo = "cabal";
+      rev = "249374d16b328736a01a4c7e84fa42fbad7422e7";
+      hash = "sha256-2nSTlPMHEXtv3XsDVBCR8EdeYmSQYztQno+NQIJbf1c=";
+    };
+    inherit (final.hsPkgs.args) compiler-nix-name;
+    cabalProject = ''
+      packages: Cabal-syntax Cabal cabal-install-solver cabal-install
+    '';
+    configureArgs = "--disable-benchmarks --disable-tests";
+    modules = [{
+      packages.cabal-install.components.exes.cabal.postInstall = ''
+        mv $out/bin/cabal $out/bin/cabal-multi-repl
+        wrapProgram $out/bin/cabal-multi-repl --add-flags --enable-multi-repl
+      '';
+    }];
+  }).cabal-install.components.exes.cabal;
+
   stylish-haskell = tool "stylish-haskell" "0.14.4.0" { };
 
   cabal-fmt = tool "cabal-fmt" "0.1.6" { };