pkgs/tools/misc/cowsay/default.nix

   1 { lib, stdenv, perl, installShellFiles, fetchFromGitHub }:
   2
   3 stdenv.mkDerivation rec {
   4   pname = "cowsay";
   5   version = "3.04";
   6
   7   src = fetchFromGitHub {
   8     owner = "tnalpgge";
   9     repo = "rank-amateur-cowsay";
  10     rev = "cowsay-${version}";
  11     sha256 = "sha256-9jCaQ6Um6Nl9j0/urrMCRcsGeubRN3VWD3jDM/AshRg=";
  12   };
  13
  14   buildInputs = [ perl ];
  15
  16   nativeBuildInputs = [ installShellFiles ];
  17
  18   # overriding buildPhase because we don't want to use the install.sh script
  19   buildPhase = ''
  20     runHook preBuild;
  21     substituteInPlace cowsay --replace "%BANGPERL%" "!${perl}/bin/perl" \
  22       --replace "%PREFIX%" "$out"
  23     runHook postBuild;
  24   '';
  25
  26   installPhase = ''
  27     runHook preInstall
  28     install -Dm755 cowsay $out/bin/cowsay
  29     ln -s $out/bin/cowsay $out/bin/cowthink
  30
  31     installManPage cowsay.1
  32     ln -s $man/share/man/man1/cowsay.1.gz $man/share/man/man1/cowthink.1.gz
  33
  34     install -Dm644 cows/* -t $out/share/cows/
  35     runHook postInstall
  36   '';
  37
  38   outputs = [ "out" "man" ];
  39
  40   meta = with lib; {
  41     description = "A program which generates ASCII pictures of a cow with a message";
  42     homepage = "https://github.com/tnalpgge/rank-amateur-cowsay";
  43     license = licenses.gpl3Only;
  44     platforms = platforms.all;
  45     maintainers = [ maintainers.rob ];
  46   };
  47 }