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31 lines
795 B
31 lines
795 B
{ bundlerEnv, ruby, stdenv, katex-server }:
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let
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gems = bundlerEnv {
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inherit ruby;
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name = "render-test";
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gemfile = ./Gemfile;
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lockfile = ./Gemfile.lock;
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gemset = ./gemset.nix;
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};
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in
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stdenv.mkDerivation {
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name = "katex-converter";
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src = ./convert.rb;
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buildInputs = [ katex-server gems ruby ];
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unpackPhase = "echo 'Skipping unpack phase (nothing to unpack)'";
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installPhase = ''
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mkdir -p $out/{bin,share/katex-converter}
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cp $src $out/share/katex-converter/convert.rb
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cat > $out/bin/katex-converter <<EOF
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#!/bin/sh -e
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${katex-server}/bin/katex-server &
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server_pid=\$!
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sleep 1
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${gems}/bin/bundle exec ${ruby}/bin/ruby $out/share/katex-converter/convert.rb \$@
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kill -KILL \$server_pid
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EOF
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chmod +x $out/bin/katex-converter
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'';
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}
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