Respect defaults in shellFor (fixes #2306)
#2322
Merged
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shellForhas an argumentallToolDepsthat when set totruetells haskell.nix to include all the tool dependencies of all the packages in the shell. This does not work well forstackProjectprojects (since stackage includes a lot of packages). So it is disabled by default inmodules/stack-project.nix.This default is currently ignored if
shellForis called directly.This change ensures that
shellForrespects the defaults and any shell arguments passed to the project. As a result,project.shellandproject.shellFor {}will now behave consistently.