59 lines
2 KiB
Nix
59 lines
2 KiB
Nix
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{ fetchurl, lib, stdenv, perl, makeWrapper, procps, coreutils, gawk, buildPackages }:
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stdenv.mkDerivation rec {
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pname = "parallel";
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version = "20240922";
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src = fetchurl {
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url = "mirror://gnu/parallel/parallel-${version}.tar.bz2";
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hash = "sha256-YyEHFei3xeEp4JjzM8183V/HovMl6OD7ntbtup8ay8Q=";
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};
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outputs = [ "out" "man" "doc" ];
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nativeBuildInputs = [ makeWrapper ];
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buildInputs = [ perl procps ];
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postPatch = lib.optionalString (!stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
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substituteInPlace Makefile.in \
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--replace '$(DESTDIR)$(bindir)/parallel --shell-completion' '${lib.getExe buildPackages.parallel} --shell-completion'
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'';
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preInstall = ''
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patchShebangs ./src/parallel
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'';
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postInstall = ''
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wrapProgram $out/bin/parallel \
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--prefix PATH : "${lib.makeBinPath [ procps perl coreutils gawk ]}"
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'';
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doCheck = true;
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meta = with lib; {
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description = "Shell tool for executing jobs in parallel";
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longDescription = ''
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GNU Parallel is a shell tool for executing jobs in parallel. A job
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is typically a single command or a small script that has to be run
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for each of the lines in the input. The typical input is a list of
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files, a list of hosts, a list of users, or a list of tables.
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If you use xargs today you will find GNU Parallel very easy to use.
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If you write loops in shell, you will find GNU Parallel may be able
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to replace most of the loops and make them run faster by running
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jobs in parallel. If you use ppss or pexec you will find GNU
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Parallel will often make the command easier to read.
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GNU Parallel makes sure output from the commands is the same output
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as you would get had you run the commands sequentially. This makes
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it possible to use output from GNU Parallel as input for other
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programs.
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'';
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homepage = "https://www.gnu.org/software/parallel/";
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license = licenses.gpl3Plus;
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platforms = platforms.all;
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maintainers = with maintainers; [ pSub tomberek ];
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mainProgram = "parallel";
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};
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}
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