nixpkgs/pkgs/shells/es/default.nix

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{ stdenv, fetchurl, readline, yacc }:
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let
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version = "0.9.1";
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in
stdenv.mkDerivation {
name = "es-${version}";
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src = fetchurl {
url = "https://github.com/wryun/es-shell/releases/download/v${version}/es-${version}.tar.gz";
sha256 = "1fplzxc6lncz2lv2fyr2ig23rgg5j96rm2bbl1rs28mik771zd5h";
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};
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# The distribution tarball does not have a single top-level directory.
preUnpack = ''
mkdir $name
cd $name
sourceRoot=.
'';
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buildInputs = [ readline yacc ];
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configureFlags = [ "--with-readline" ];
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meta = with stdenv.lib; {
description = "Es is an extensible shell";
longDescription =
''
Es is an extensible shell. The language was derived
from the Plan 9 shell, rc, and was influenced by
functional programming languages, such as Scheme,
and the Tcl embeddable programming language.
'';
homepage = http://wryun.github.io/es-shell/;
license = licenses.publicDomain;
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maintainers = with maintainers; [ sjmackenzie ttuegel ];
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platforms = platforms.all;
};
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passthru = {
shellPath = "/bin/es";
};
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}