nixpkgs/pkgs/tools/text/sgrep/default.nix

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{ stdenv, sgrep, fetchurl, runCommand, lib, m4, makeWrapper }:
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stdenv.mkDerivation rec {
pname = "sgrep";
version = "1.94a";
src = fetchurl {
url = "https://www.cs.helsinki.fi/pub/Software/Local/Sgrep/sgrep-${version}.tar.gz";
sha256 = "sha256-1bFkeOOrRHNeJCg9LYldLJyAE5yVIo3zvbKsRGOV+vk=";
};
nativeBuildInputs = [ makeWrapper ];
postInstall = ''
wrapProgram $out/bin/sgrep \
--prefix PATH : ${lib.makeBinPath [ m4 ]}
'';
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passthru.tests.smokeTest = runCommand "test-sgrep" { } ''
expr='"<foo>" __ "</foo>"'
data="<foo>1</foo><bar>2</bar>"
${sgrep}/bin/sgrep "$expr" <<<$data >$out
read result <$out
[[ $result = 1 ]]
'';
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meta = with lib; {
homepage = "https://www.cs.helsinki.fi/u/jjaakkol/sgrep.html";
description = "A grep for structured text formats such as XML";
longDescription = ''
sgrep (structured grep) is a tool for searching and indexing text,
SGML, XML and HTML files and filtering text streams using
structural criteria.
'';
platforms = platforms.unix;
license = licenses.gpl2Plus;
maintainers = with maintainers; [ eigengrau ];
};
}