fix(commercialhaskell#5008): "Invalid option --internal-re-exec-versi…

…on" error when using "nix" with options "enable: true", "pure: true", "shell-file: .." -> prevent entering "nix-shell --pure" recursively by exporting STACK_IN_NIX_SHELL properly
srghma · Dec 25, 2019 · 6022535 · 6022535
1 parent 44e8ab2
commit 6022535
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Stack/Nix.hs b/src/Stack/Nix.hs
@@ -95,7 +95,7 @@ runShellAndExit = do
                                                 F.</> "nix-gc-symlinks" F.</> "gc-root"] else []
                            ,map T.unpack (nixShellOptions (configNix config))
                            ,nixopts
-                           ,["--run", unwords (cmnd:"$STACK_IN_NIX_EXTRA_ARGS":args')]
+                           ,["--run", unwords ("export STACK_IN_NIX_SHELL=true;":cmnd:"$STACK_IN_NIX_EXTRA_ARGS":args')]
                            ]
                            -- Using --run instead of --command so we cannot
                            -- end up in the nix-shell if stack build is Ctrl-C'd