Install error

[brauliobo]

Using Archlinux here. After a long time fetching repositories I get this error:

➜  Simula git:(master) ✗  LANG=en source ./utils/Helpers.sh && installSimula

/home/braulio/.nix-profile/bin/nix
nix already installed..
/nix/store/2cfgj2hqhjfyxmvqnbkviwc63nzkiw40-nix-forced-version
/home/braulio/.nix-profile/bin/cachix
cachix already installed..
/usr/bin/curl
curl already installed..
Configured https://simula.cachix.org binary cache in /home/braulio/.config/nix/nix.conf

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error:
       … while calling the 'derivationStrict' builtin

         at /builtin/derivation.nix:9:12: (source not available)

       … while evaluating derivation 'Simula'
         whose name attribute is located at /nix/store/izxcyr1301yh0yi4g94ghfc72wrxn8sc-nixpkgs-24.05/pkgs/stdenv/generic/make-derivation.nix:331:7

       … while evaluating attribute 'src' of derivation 'Simula'

         at /home/braulio/Projects/Simula/Simula.nix:338:7:

          337|       name = "Simula";
          338|       src = if externalSrc != null then externalSrc else localSrc;
             |       ^
          339|       buildInputs = [ xpra xrdb wmctrl fontconfig glibc-locales xfce4-terminal-wrapped openxr-loader midori-wrapped pernoscoSubmit i3status-wrapped cabal-install ghc ] ++ simulaPackages;

       error: '/home/braulio/Projects/Simula' is a shallow Git repository, but shallow repositories are only allowed when `shallow = true;` is specified.
~/Projects/Simula

[haruki7049]

Perhaps #215 is related...