nix: don't write to /nix/store from hsie build (fixes #2304)

This is a kind of hacky fix to the kind of hacky hsie derivation.
2022-06-07 21:36:38 +02:00
parent e3252a6e9e
commit 4ff2469f57
1 changed files with 6 additions and 1 deletions
@@ -16,7 +16,12 @@ let
  ghc = ghcWithPackages modules;
  hsie =
    runCommand "haskellimports" { inherit name src; }
-      "${ghc}/bin/ghc -O -Werror -Wall -package ghc $src -o $out";
+      ''
+        cd $TMP
+        cp $src $TMP/Main.hs
+        ${ghc}/bin/ghc -O -Werror -Wall -package ghc Main.hs -o Main
+        cp Main $out
+      '';
  bin =
    runCommand name { inherit hsie name; }
      ''