Index: frontend/node_modules/shell-quote/test/comment.js
===================================================================
--- frontend/node_modules/shell-quote/test/comment.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/shell-quote/test/comment.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,16 @@
+'use strict';
+
+var test = require('tape');
+var parse = require('../').parse;
+
+test('comment', function (t) {
+	t.same(parse('beep#boop'), ['beep', { comment: 'boop' }]);
+	t.same(parse('beep #boop'), ['beep', { comment: 'boop' }]);
+	t.same(parse('beep # boop'), ['beep', { comment: ' boop' }]);
+	t.same(parse('beep # > boop'), ['beep', { comment: ' > boop' }]);
+	t.same(parse('beep # "> boop"'), ['beep', { comment: ' "> boop"' }]);
+	t.same(parse('beep "#"'), ['beep', '#']);
+	t.same(parse('beep #"#"#'), ['beep', { comment: '"#"#' }]);
+	t.same(parse('beep > boop # > foo'), ['beep', { op: '>' }, 'boop', { comment: ' > foo' }]);
+	t.end();
+});
Index: frontend/node_modules/shell-quote/test/env.js
===================================================================
--- frontend/node_modules/shell-quote/test/env.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/shell-quote/test/env.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,52 @@
+'use strict';
+
+var test = require('tape');
+var parse = require('../').parse;
+
+test('expand environment variables', function (t) {
+	t.same(parse('a $XYZ c', { XYZ: 'b' }), ['a', 'b', 'c']);
+	t.same(parse('a${XYZ}c', { XYZ: 'b' }), ['abc']);
+	t.same(parse('a${XYZ}c $XYZ', { XYZ: 'b' }), ['abc', 'b']);
+	t.same(parse('"-$X-$Y-"', { X: 'a', Y: 'b' }), ['-a-b-']);
+	t.same(parse("'-$X-$Y-'", { X: 'a', Y: 'b' }), ['-$X-$Y-']);
+	t.same(parse('qrs"$zzz"wxy', { zzz: 'tuv' }), ['qrstuvwxy']);
+	t.same(parse("qrs'$zzz'wxy", { zzz: 'tuv' }), ['qrs$zzzwxy']);
+	t.same(parse('qrs${zzz}wxy'), ['qrswxy']);
+	t.same(parse('qrs$wxy $'), ['qrs', '$']);
+	t.same(parse('grep "xy$"'), ['grep', 'xy$']);
+	t.same(parse('ab$x', { x: 'c' }), ['abc']);
+	t.same(parse('ab\\$x', { x: 'c' }), ['ab$x']);
+	t.same(parse('ab${x}def', { x: 'c' }), ['abcdef']);
+	t.same(parse('ab\\${x}def', { x: 'c' }), ['ab${x}def']);
+	t.same(parse('"ab\\${x}def"', { x: 'c' }), ['ab${x}def']);
+
+	t.end();
+});
+
+test('expand environment variables within here-strings', function (t) {
+	t.same(parse('a <<< $x', { x: 'Joe' }), ['a', { op: '<<<' }, 'Joe']);
+	t.same(parse('a <<< ${x}', { x: 'Joe' }), ['a', { op: '<<<' }, 'Joe']);
+	t.same(parse('a <<< "$x"', { x: 'Joe' }), ['a', { op: '<<<' }, 'Joe']);
+	t.same(parse('a <<< "${x}"', { x: 'Joe' }), ['a', { op: '<<<' }, 'Joe']);
+
+	t.end();
+});
+
+test('environment variables with metacharacters', function (t) {
+	t.same(parse('a $XYZ c', { XYZ: '"b"' }), ['a', '"b"', 'c']);
+	t.same(parse('a $XYZ c', { XYZ: '$X', X: 5 }), ['a', '$X', 'c']);
+	t.same(parse('a"$XYZ"c', { XYZ: "'xyz'" }), ["a'xyz'c"]);
+
+	t.end();
+});
+
+test('special shell parameters', function (t) {
+	var chars = '*@#?-$!0_'.split('');
+	t.plan(chars.length);
+
+	chars.forEach(function (c) {
+		var env = {};
+		env[c] = 'xxx';
+		t.same(parse('a $' + c + ' c', env), ['a', 'xxx', 'c']);
+	});
+});
Index: frontend/node_modules/shell-quote/test/env_fn.js
===================================================================
--- frontend/node_modules/shell-quote/test/env_fn.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/shell-quote/test/env_fn.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,21 @@
+'use strict';
+
+var test = require('tape');
+var parse = require('../').parse;
+
+function getEnv() {
+	return 'xxx';
+}
+
+function getEnvObj() {
+	return { op: '@@' };
+}
+
+test('functional env expansion', function (t) {
+	t.plan(4);
+
+	t.same(parse('a $XYZ c', getEnv), ['a', 'xxx', 'c']);
+	t.same(parse('a $XYZ c', getEnvObj), ['a', { op: '@@' }, 'c']);
+	t.same(parse('a${XYZ}c', getEnvObj), ['a', { op: '@@' }, 'c']);
+	t.same(parse('"a $XYZ c"', getEnvObj), ['a ', { op: '@@' }, ' c']);
+});
Index: frontend/node_modules/shell-quote/test/op.js
===================================================================
--- frontend/node_modules/shell-quote/test/op.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/shell-quote/test/op.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,102 @@
+'use strict';
+
+var test = require('tape');
+var parse = require('../').parse;
+
+test('single operators', function (t) {
+	t.same(parse('beep | boop'), ['beep', { op: '|' }, 'boop']);
+	t.same(parse('beep|boop'), ['beep', { op: '|' }, 'boop']);
+	t.same(parse('beep \\| boop'), ['beep', '|', 'boop']);
+	t.same(parse('beep "|boop"'), ['beep', '|boop']);
+
+	t.same(parse('echo zing &'), ['echo', 'zing', { op: '&' }]);
+	t.same(parse('echo zing&'), ['echo', 'zing', { op: '&' }]);
+	t.same(parse('echo zing\\&'), ['echo', 'zing&']);
+	t.same(parse('echo "zing\\&"'), ['echo', 'zing\\&']);
+
+	t.same(parse('beep;boop'), ['beep', { op: ';' }, 'boop']);
+	t.same(parse('(beep;boop)'), [
+		{ op: '(' }, 'beep', { op: ';' }, 'boop', { op: ')' }
+	]);
+
+	t.same(parse('beep>boop'), ['beep', { op: '>' }, 'boop']);
+	t.same(parse('beep 2>boop'), ['beep', '2', { op: '>' }, 'boop']);
+	t.same(parse('beep<boop'), ['beep', { op: '<' }, 'boop']);
+
+	t.end();
+});
+
+test('double operators', function (t) {
+	t.same(parse('beep || boop'), ['beep', { op: '||' }, 'boop']);
+	t.same(parse('beep||boop'), ['beep', { op: '||' }, 'boop']);
+	t.same(parse('beep ||boop'), ['beep', { op: '||' }, 'boop']);
+	t.same(parse('beep|| boop'), ['beep', { op: '||' }, 'boop']);
+	t.same(parse('beep  ||   boop'), ['beep', { op: '||' }, 'boop']);
+
+	t.same(parse('beep && boop'), ['beep', { op: '&&' }, 'boop']);
+	t.same(
+		parse('beep && boop || byte'),
+		['beep', { op: '&&' }, 'boop', { op: '||' }, 'byte']
+	);
+	t.same(
+		parse('beep&&boop||byte'),
+		['beep', { op: '&&' }, 'boop', { op: '||' }, 'byte']
+	);
+	t.same(
+		parse('beep\\&\\&boop||byte'),
+		['beep&&boop', { op: '||' }, 'byte']
+	);
+	t.same(
+		parse('beep\\&&boop||byte'),
+		['beep&', { op: '&' }, 'boop', { op: '||' }, 'byte']
+	);
+	t.same(
+		parse('beep;;boop|&byte>>blip'),
+		['beep', { op: ';;' }, 'boop', { op: '|&' }, 'byte', { op: '>>' }, 'blip']
+	);
+
+	t.same(parse('beep 2>&1'), ['beep', '2', { op: '>&' }, '1']);
+
+	t.same(
+		parse('beep<(boop)'),
+		['beep', { op: '<(' }, 'boop', { op: ')' }]
+	);
+	t.same(
+		parse('beep<<(boop)'),
+		['beep', { op: '<' }, { op: '<(' }, 'boop', { op: ')' }]
+	);
+
+	t.end();
+});
+
+test('duplicating input file descriptors', function (t) {
+	// duplicating stdout to file descriptor 3
+	t.same(parse('beep 3<&1'), ['beep', '3', { op: '<&' }, '1']);
+
+	// duplicating stdout to file descriptor 0, i.e. stdin
+	t.same(parse('beep <&1'), ['beep', { op: '<&' }, '1']);
+
+	// closes stdin
+	t.same(parse('beep <&-'), ['beep', { op: '<&' }, '-']);
+
+	t.end();
+});
+
+test('here strings', function (t) {
+	t.same(parse('cat <<< "hello world"'), ['cat', { op: '<<<' }, 'hello world']);
+	t.same(parse('cat <<< hello'), ['cat', { op: '<<<' }, 'hello']);
+	t.same(parse('cat<<<hello'), ['cat', { op: '<<<' }, 'hello']);
+	t.same(parse('cat<<<"hello world"'), ['cat', { op: '<<<' }, 'hello world']);
+
+	t.end();
+});
+
+test('glob patterns', function (t) {
+	t.same(
+		parse('tap test/*.test.js'),
+		['tap', { op: 'glob', pattern: 'test/*.test.js' }]
+	);
+
+	t.same(parse('tap "test/*.test.js"'), ['tap', 'test/*.test.js']);
+	t.end();
+});
Index: frontend/node_modules/shell-quote/test/parse.js
===================================================================
--- frontend/node_modules/shell-quote/test/parse.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/shell-quote/test/parse.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,44 @@
+'use strict';
+
+var test = require('tape');
+var parse = require('../').parse;
+
+test('parse shell commands', function (t) {
+	t.same(parse(''), [], 'parses an empty string');
+
+	t['throws'](
+		function () { parse('${}'); },
+		Error,
+		'empty substitution throws'
+	);
+	t['throws'](
+		function () { parse('${'); },
+		Error,
+		'incomplete substitution throws'
+	);
+
+	t.same(parse('a \'b\' "c"'), ['a', 'b', 'c']);
+	t.same(
+		parse('beep "boop" \'foo bar baz\' "it\'s \\"so\\" groovy"'),
+		['beep', 'boop', 'foo bar baz', 'it\'s "so" groovy']
+	);
+	t.same(parse('a b\\ c d'), ['a', 'b c', 'd']);
+	t.same(parse('\\$beep bo\\`op'), ['$beep', 'bo`op']);
+	t.same(parse('echo "foo = \\"foo\\""'), ['echo', 'foo = "foo"']);
+	t.same(parse(''), []);
+	t.same(parse(' '), []);
+	t.same(parse('\t'), []);
+	t.same(parse('a"b c d"e'), ['ab c de']);
+	t.same(parse('a\\ b"c d"\\ e f'), ['a bc d e', 'f']);
+	t.same(parse('a\\ b"c d"\\ e\'f g\' h'), ['a bc d ef g', 'h']);
+	t.same(parse("x \"bl'a\"'h'"), ['x', "bl'ah"]);
+	t.same(parse("x bl^'a^'h'", {}, { escape: '^' }), ['x', "bl'a'h"]);
+	t.same(parse('abcH def', {}, { escape: 'H' }), ['abc def']);
+
+	t.deepEqual(parse('# abc  def  ghi'), [{ comment: ' abc  def  ghi' }], 'start-of-line comment content is unparsed');
+	t.deepEqual(parse('xyz # abc  def  ghi'), ['xyz', { comment: ' abc  def  ghi' }], 'comment content is unparsed');
+
+	t.deepEqual(parse('-x "" -y'), ['-x', '', '-y'], 'empty string is preserved');
+
+	t.end();
+});
Index: frontend/node_modules/shell-quote/test/quote.js
===================================================================
--- frontend/node_modules/shell-quote/test/quote.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/shell-quote/test/quote.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,60 @@
+'use strict';
+
+var test = require('tape');
+var quote = require('../').quote;
+
+test('quote', function (t) {
+	t.equal(quote(['a', 'b', 'c d']), 'a b \'c d\'');
+	t.equal(
+		quote(['a', 'b', "it's a \"neat thing\""]),
+		'a b "it\'s a \\"neat thing\\""'
+	);
+	t.equal(
+		quote(['$', '`', '\'']),
+		'\\$ \\` "\'"'
+	);
+	t.equal(quote([]), '');
+	t.equal(quote(['a\nb']), "'a\nb'");
+	t.equal(quote([' #(){}*|][!']), "' #(){}*|][!'");
+	t.equal(quote(["'#(){}*|][!"]), '"\'#(){}*|][\\!"');
+	t.equal(quote(['X#(){}*|][!']), 'X\\#\\(\\)\\{\\}\\*\\|\\]\\[\\!');
+	t.equal(quote(['a\n#\nb']), "'a\n#\nb'");
+	t.equal(quote(['><;{}']), '\\>\\<\\;\\{\\}');
+	t.equal(quote(['a', 1, true, false]), 'a 1 true false');
+	t.equal(quote(['a', 1, null, undefined]), 'a 1 null undefined');
+	t.equal(quote(['a\\x']), "'a\\x'");
+	t.equal(quote(['a"b']), '\'a"b\'');
+	t.equal(quote(['"a"b"']), '\'"a"b"\'');
+	t.equal(quote(['a\\"b']), '\'a\\"b\'');
+	t.equal(quote(['a\\b']), '\'a\\b\'');
+	t.end();
+});
+
+test('quote ops', function (t) {
+	t.equal(quote(['a', { op: '|' }, 'b']), 'a \\| b');
+	t.equal(
+		quote(['a', { op: '&&' }, 'b', { op: ';' }, 'c']),
+		'a \\&\\& b \\; c'
+	);
+	t.end();
+});
+
+test('quote windows paths', { skip: 'breaking change, disabled until 2.x' }, function (t) {
+	var path = 'C:\\projects\\node-shell-quote\\index.js';
+
+	t.equal(quote([path, 'b', 'c d']), 'C:\\projects\\node-shell-quote\\index.js b \'c d\'');
+
+	t.end();
+});
+
+test("chars for windows paths don't break out", function (t) {
+	var x = '`:\\a\\b';
+	t.equal(quote([x]), "'`:\\a\\b'");
+	t.end();
+});
+
+test('empty strings', function (t) {
+	t.equal(quote(['-x', '', 'y']), '-x \'\' y');
+
+	t.end();
+});
Index: frontend/node_modules/shell-quote/test/set.js
===================================================================
--- frontend/node_modules/shell-quote/test/set.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/shell-quote/test/set.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,31 @@
+'use strict';
+
+var test = require('tape');
+var parse = require('../').parse;
+
+test('set env vars', function (t) {
+	t.same(
+		parse('ABC=444 x y z'),
+		['ABC=444', 'x', 'y', 'z']
+	);
+	t.same(
+		parse('ABC=3\\ 4\\ 5 x y z'),
+		['ABC=3 4 5', 'x', 'y', 'z']
+	);
+	t.same(
+		parse('X="7 8 9" printx'),
+		['X=7 8 9', 'printx']
+	);
+	t.same(
+		parse('X="7 8 9"; printx'),
+		['X=7 8 9', { op: ';' }, 'printx']
+	);
+	t.same(
+		parse('X="7 8 9"; printx', function () {
+			t.fail('should not have matched any keys');
+		}),
+		['X=7 8 9', { op: ';' }, 'printx']
+	);
+
+	t.end();
+});