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117b2045e8
It all starts with fixing the broken download URL and then simplifies from there. The file is short and old enough to basically just rewrite it once.
44 lines
1.4 KiB
Nix
44 lines
1.4 KiB
Nix
{
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dosbox,
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fetchzip,
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lib,
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writeShellApplication,
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}:
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let
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zip = fetchzip {
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name = "keen4.zip";
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url = "https://archive.org/download/msdos_Commander_Keen_4_-_Secret_of_the_Oracle_1991/Commander_Keen_4_-_Secret_of_the_Oracle_1991.zip";
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hash = "sha256-vVfBQArNH1JPUxM5suMe8NK54a+NAMnDhLKxVUOzUgA=";
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};
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in
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writeShellApplication {
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name = "keen4";
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runtimeInputs = [ dosbox ];
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# Game wants to write in the current directory, but of course we can't
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# let it write in the Nix store. So create symlinks to the game files
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# in ~/.keen4 and execute game from there.
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text = ''
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mkdir -p "''${HOME:-.}/.keen4"
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cd "''${HOME:-.}/.keen4"
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# avoid linking CONFIG.CK4, which must be writable
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ln -sft . ${zip}/{AUDIO.CK4,EGAGRAPH.CK4,GAMEMAPS.CK4,KEEN4E.EXE}
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trap 'find . -type l -delete' EXIT
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dosbox ./KEEN4E.EXE -fullscreen -exit
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'';
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meta = {
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description = "Commander Keen Episode 4: Secret of the Oracle";
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homepage = "https://web.archive.org/web/20141013080934/http://www.3drealms.com/keen4/index.html";
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downloadPage = "https://archive.org/details/msdos_Commander_Keen_4_-_Secret_of_the_Oracle_1991";
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license = lib.licenses.unfreeRedistributable;
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platforms = dosbox.meta.platforms;
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sourceProvenance = with lib.sourceTypes; [ binaryBytecode ]; # emulated by dosbox, so "bytecode" in a way
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maintainers = with lib.maintainers; [ wolfgangwalther ];
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mainProgram = "keen4";
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};
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}
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