nixpkgs/pkgs/tools/misc/cowsay/default.nix

{ lib, stdenv, fetchurl, perl }:

stdenv.mkDerivation rec {
  version = "3.03+dfsg2";
  pname = "cowsay";

  src = fetchurl {
    url = "http://http.debian.net/debian/pool/main/c/cowsay/cowsay_${version}.orig.tar.gz";
    sha256 = "0ghqnkp8njc3wyqx4mlg0qv0v0pc996x2nbyhqhz66bbgmf9d29v";
  };

  buildInputs = [ perl ];

  postBuild = ''
    substituteInPlace cowsay --replace "%BANGPERL%" "!${perl}/bin/perl" \
      --replace "%PREFIX%" "$out"
  '';

  installPhase = ''
    mkdir -p $out/{bin,man/man1,share/cows}
    install -m755 cowsay $out/bin/cowsay
    ln -s cowsay $out/bin/cowthink
    install -m644 cowsay.1 $out/man/man1/cowsay.1
    ln -s cowsay.1 $out/man/man1/cowthink.1
    install -m644 cows/* -t $out/share/cows/
  '';

  meta = with lib; {
    description = "A program which generates ASCII pictures of a cow with a message";
    homepage = "https://en.wikipedia.org/wiki/Cowsay";
    license = licenses.gpl1;
    platforms = platforms.all;
    maintainers = [ maintainers.rob ];
  };
}
treewide: with stdenv.lib; in meta -> with lib; Part of: https://github.com/NixOS/nixpkgs/issues/108938 meta = with stdenv.lib; is a widely used pattern. We want to slowly remove the `stdenv.lib` indirection and encourage people to use `lib` directly. Thus let’s start with the meta field. This used a rewriting script to mostly automatically replace all occurances of this pattern, and add the `lib` argument to the package header if it doesn’t exist yet. The script in its current form is available at https://cs.tvl.fyi/depot@2f807d7f141068d2d60676a89213eaa5353ca6e0/-/blob/users/Profpatsch/nixpkgs-rewriter/default.nix 2021-01-11 07:54:33 +00:00			`{ lib, stdenv, fetchurl, perl }:`
cowsay: init at 3.03+dfsg1-16 2016-11-05 03:04:05 +00:00
formatting: fix missing leading whitespace 2020-06-07 22:11:08 +01:00			`stdenv.mkDerivation rec {`
cowsay: 3.0.3+dfsg1-16 -> 3.0.3+dfsg2 The old source no longer exists. 2018-07-23 06:24:15 +01:00			`version = "3.03+dfsg2";`
treewide: name -> pname (easy cases) (#66585) treewide replacement of stdenv.mkDerivation rec { name = "-${version}"; version = ""; to pname 2019-08-15 13:41:18 +01:00			`pname = "cowsay";`
cowsay: init at 3.03+dfsg1-16 2016-11-05 03:04:05 +00:00
cowsay: 3.0.3+dfsg1-16 -> 3.0.3+dfsg2 The old source no longer exists. 2018-07-23 06:24:15 +01:00			`src = fetchurl {`
			`url = "http://http.debian.net/debian/pool/main/c/cowsay/cowsay_${version}.orig.tar.gz";`
			`sha256 = "0ghqnkp8njc3wyqx4mlg0qv0v0pc996x2nbyhqhz66bbgmf9d29v";`
cowsay: init at 3.03+dfsg1-16 2016-11-05 03:04:05 +00:00			`};`

			`buildInputs = [ perl ];`

cowsay: fix cross The install.sh script looks for all perls in $PATH, tries to execute these to test whether that perl is "good", if it is, takes it and puts it into the shebang. This obviously can't work for cross. As installation seems to be pretty trivial, do it in a custom install phase. 2018-12-03 23:19:37 +00:00			`postBuild = ''`
			`substituteInPlace cowsay --replace "%BANGPERL%" "!${perl}/bin/perl" \`
			`--replace "%PREFIX%" "$out"`
			`'';`

cowsay: init at 3.03+dfsg1-16 2016-11-05 03:04:05 +00:00			`installPhase = ''`
cowsay: fix cross The install.sh script looks for all perls in $PATH, tries to execute these to test whether that perl is "good", if it is, takes it and puts it into the shebang. This obviously can't work for cross. As installation seems to be pretty trivial, do it in a custom install phase. 2018-12-03 23:19:37 +00:00			`mkdir -p $out/{bin,man/man1,share/cows}`
			`install -m755 cowsay $out/bin/cowsay`
			`ln -s cowsay $out/bin/cowthink`
			`install -m644 cowsay.1 $out/man/man1/cowsay.1`
			`ln -s cowsay.1 $out/man/man1/cowthink.1`
			`install -m644 cows/* -t $out/share/cows/`
cowsay: init at 3.03+dfsg1-16 2016-11-05 03:04:05 +00:00			`'';`

treewide: with stdenv.lib; in meta -> with lib; Part of: https://github.com/NixOS/nixpkgs/issues/108938 meta = with stdenv.lib; is a widely used pattern. We want to slowly remove the `stdenv.lib` indirection and encourage people to use `lib` directly. Thus let’s start with the meta field. This used a rewriting script to mostly automatically replace all occurances of this pattern, and add the `lib` argument to the package header if it doesn’t exist yet. The script in its current form is available at https://cs.tvl.fyi/depot@2f807d7f141068d2d60676a89213eaa5353ca6e0/-/blob/users/Profpatsch/nixpkgs-rewriter/default.nix 2021-01-11 07:54:33 +00:00			`meta = with lib; {`
cowsay: init at 3.03+dfsg1-16 2016-11-05 03:04:05 +00:00			`description = "A program which generates ASCII pictures of a cow with a message";`
treewide: Per RFC45, remove all unquoted URLs 2020-04-01 02:11:51 +01:00			`homepage = "https://en.wikipedia.org/wiki/Cowsay";`
cowsay: add license 2018-08-15 19:21:16 +01:00			`license = licenses.gpl1;`
			`platforms = platforms.all;`
			`maintainers = [ maintainers.rob ];`
cowsay: init at 3.03+dfsg1-16 2016-11-05 03:04:05 +00:00			`};`
			`}`