1 files changed, 50 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/games/dwarf-fortress/dwarf-therapist/wrapper.nix b/nixpkgs/pkgs/games/dwarf-fortress/dwarf-therapist/wrapper.nix
new file mode 100644
index 000000000000..6871a611784c
--- /dev/null
+++ b/nixpkgs/pkgs/games/dwarf-fortress/dwarf-therapist/wrapper.nix
@@ -0,0 +1,50 @@
+{ pkgs, stdenv, dwarf-therapist, dwarf-fortress, makeWrapper }:
+
+let
+  platformSlug = if stdenv.targetPlatform.is32bit then
+    "linux32" else "linux64";
+  inifile = "linux/v0.${dwarf-fortress.baseVersion}.${dwarf-fortress.patchVersion}_${platformSlug}.ini";
+
+in
+  
+stdenv.mkDerivation {
+  name = "dwarf-therapist-${dwarf-therapist.version}";
+  
+  wrapper = ./dwarf-therapist.in;
+
+  paths = [ dwarf-therapist ];
+
+  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"
+
+    chmod 755 $out/bin/dwarftherapist
+
+    # Fix up memory layouts
+    rm -rf $out/share/dwarftherapist/memory_layouts/linux
+    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"
+  '';
+
+  preferLocalBuild = true;
+}