nixpkgs/pkgs/games/dwarf-fortress/dwarf-therapist/wrapper.nix

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{ pkgs, stdenv, dwarf-therapist, dwarf-fortress, makeWrapper }:
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let
platformSlug = if stdenv.targetPlatform.is32bit then
"linux32" else "linux64";
inifile = "linux/v0.${dwarf-fortress.baseVersion}.${dwarf-fortress.patchVersion}_${platformSlug}.ini";
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in
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stdenv.mkDerivation {
name = "dwarf-therapist-${dwarf-therapist.version}";
wrapper = ./dwarf-therapist.in;
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paths = [ dwarf-therapist ];
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buildInputs = [ makeWrapper ];
passthru = { inherit dwarf-fortress dwarf-therapist; };
buildCommand = ''
mkdir -p $out/bin
ln -s $out/bin/dwarftherapist $out/bin/DwarfTherapist
substitute $wrapper $out/bin/dwarftherapist \
--subst-var-by stdenv_shell ${stdenv.shell} \
--subst-var-by install $out \
--subst-var-by therapist ${dwarf-therapist} \
--subst-var-by qt_plugin_path "${pkgs.qt5.qtbase}/lib/qt-${pkgs.qt5.qtbase.qtCompatVersion}/plugins/platforms"
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chmod 755 $out/bin/dwarftherapist
# Fix up memory layouts
rm -rf $out/share/dwarftherapist/memory_layouts/linux
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mkdir -p $out/share/dwarftherapist/memory_layouts/linux
orig_md5=$(cat "${dwarf-fortress}/hash.md5.orig" | cut -c1-8)
patched_md5=$(cat "${dwarf-fortress}/hash.md5" | cut -c1-8)
input_file="${dwarf-therapist}/share/dwarftherapist/memory_layouts/${inifile}"
output_file="$out/share/dwarftherapist/memory_layouts/${inifile}"
echo "[Dwarf Therapist Wrapper] Fixing Dwarf Fortress MD5 prefix:"
echo " Input: $input_file"
echo " Search: $orig_md5"
echo " Output: $output_file"
echo " Replace: $patched_md5"
substitute "$input_file" "$output_file" --replace "$orig_md5" "$patched_md5"
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'';
preferLocalBuild = true;
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}