Automatically load dependencies for ghcid scripts

flake.nix

@@ -31,6 +31,7 @@
         packages = [
           pkgs.cabal-install
           pkgs.ghcid
+          pkgs.entr
           pkgs.haskell-language-server
         ];
       }

ghcid

-#!/usr/bin/env zsh
+#!/usr/bin/env -S nix shell . -c zsh
 
 print -P %F{yellow}Cleaning repository%f
 nix develop -c cabal clean

ghcid-warnings

+#!/usr/bin/env -S nix shell . -c zsh
+
+print -P %F{yellow}Cleaning repository%f
+nix develop -c cabal clean
+
+(git ls-files test; git ls-files '*.cabal'; git ls-files 'flake.*') | \
+  entr -r \
+    nix develop -c \
+      ghcid \
+        "--command=cabal repl lib:quasar" \
+        "--test=:! \
+          cabal test --disable-optimisation --enable-debug-info=2 --test-show-details=direct --ghc-option -fdiagnostics-color=always && \
+          cabal build --disable-optimisation --enable-debug-info=2 --ghc-option -fdiagnostics-color=always && \
+          zsh -c 'print -P %F{green}Build and tests passed%f' \
+        "