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nixpkgs/pkgs/games/dwarf-fortress/dwarf-therapist/wrapper.nix
2018-06-07 09:09:25 +00:00

34 lines
1.1 KiB
Nix

{ stdenv, symlinkJoin, lib, dwarf-therapist-original, dwarf-fortress-original, makeWrapper }:
let
df = dwarf-fortress-original;
dt = dwarf-therapist-original;
platformSlug = if stdenv.targetPlatform.is32bit then
"linux32" else "linux64";
inifile = "linux/v0.${df.baseVersion}.${df.patchVersion}_${platformSlug}.ini";
dfHashFile = "${df}/hash.md5";
in symlinkJoin {
name = "dwarf-therapist-${dt.version}";
paths = [ dt ];
buildInputs = [ makeWrapper ];
postBuild = ''
# DwarfTherapist assumes it's run in $out/share/dwarftherapist and
# therefore uses many relative paths.
wrapProgram $out/bin/dwarftherapist \
--run "cd $out/share/dwarftherapist"
rm -rf $out/share/dwarftherapist/memory_layouts/linux
mkdir -p $out/share/dwarftherapist/memory_layouts/linux
origmd5=$(cat "${dfHashFile}.orig" | cut -c1-8)
patchedmd5=$(cat "${dfHashFile}" | cut -c1-8)
substitute \
${dt}/share/dwarftherapist/memory_layouts/${inifile} \
$out/share/dwarftherapist/memory_layouts/${inifile} \
--replace "$origmd5" "$patchedmd5"
'';
}