Conver to regular Go vendor + dep tool

vendor/github.com/mattn/go-runewidth/.travis.yml

@@ -0,0 +1,8 @@
+language: go
+go:
+  - tip
+before_install:
+  - go get github.com/mattn/goveralls
+  - go get golang.org/x/tools/cmd/cover
+script:
+    - $HOME/gopath/bin/goveralls -repotoken lAKAWPzcGsD3A8yBX3BGGtRUdJ6CaGERL

vendor/github.com/mattn/go-runewidth/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Yasuhiro Matsumoto
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vendor/github.com/mattn/go-runewidth/README.mkd

@@ -0,0 +1,27 @@
+go-runewidth
+============
+
+[![Build Status](https://travis-ci.org/mattn/go-runewidth.png?branch=master)](https://travis-ci.org/mattn/go-runewidth)
+[![Coverage Status](https://coveralls.io/repos/mattn/go-runewidth/badge.png?branch=HEAD)](https://coveralls.io/r/mattn/go-runewidth?branch=HEAD)
+[![GoDoc](https://godoc.org/github.com/mattn/go-runewidth?status.svg)](http://godoc.org/github.com/mattn/go-runewidth)
+[![Go Report Card](https://goreportcard.com/badge/github.com/mattn/go-runewidth)](https://goreportcard.com/report/github.com/mattn/go-runewidth)
+
+Provides functions to get fixed width of the character or string.
+
+Usage
+-----
+
+```go
+runewidth.StringWidth("つのだ☆HIRO") == 12
+```
+
+
+Author
+------
+
+Yasuhiro Matsumoto
+
+License
+-------
+
+under the MIT License: http://mattn.mit-license.org/2013

vendor/github.com/mattn/go-runewidth/runewidth_js.go

@@ -0,0 +1,8 @@
+// +build js
+
+package runewidth
+
+func IsEastAsian() bool {
+	// TODO: Implement this for the web. Detect east asian in a compatible way, and return true.
+	return false
+}

vendor/github.com/mattn/go-runewidth/runewidth_posix.go

@@ -0,0 +1,77 @@
+// +build !windows,!js
+
+package runewidth
+
+import (
+	"os"
+	"regexp"
+	"strings"
+)
+
+var reLoc = regexp.MustCompile(`^[a-z][a-z][a-z]?(?:_[A-Z][A-Z])?\.(.+)`)
+
+var mblenTable = map[string]int{
+	"utf-8":   6,
+	"utf8":    6,
+	"jis":     8,
+	"eucjp":   3,
+	"euckr":   2,
+	"euccn":   2,
+	"sjis":    2,
+	"cp932":   2,
+	"cp51932": 2,
+	"cp936":   2,
+	"cp949":   2,
+	"cp950":   2,
+	"big5":    2,
+	"gbk":     2,
+	"gb2312":  2,
+}
+
+func isEastAsian(locale string) bool {
+	charset := strings.ToLower(locale)
+	r := reLoc.FindStringSubmatch(locale)
+	if len(r) == 2 {
+		charset = strings.ToLower(r[1])
+	}
+
+	if strings.HasSuffix(charset, "@cjk_narrow") {
+		return false
+	}
+
+	for pos, b := range []byte(charset) {
+		if b == '@' {
+			charset = charset[:pos]
+			break
+		}
+	}
+	max := 1
+	if m, ok := mblenTable[charset]; ok {
+		max = m
+	}
+	if max > 1 && (charset[0] != 'u' ||
+		strings.HasPrefix(locale, "ja") ||
+		strings.HasPrefix(locale, "ko") ||
+		strings.HasPrefix(locale, "zh")) {
+		return true
+	}
+	return false
+}
+
+// IsEastAsian return true if the current locale is CJK
+func IsEastAsian() bool {
+	locale := os.Getenv("LC_CTYPE")
+	if locale == "" {
+		locale = os.Getenv("LANG")
+	}
+
+	// ignore C locale
+	if locale == "POSIX" || locale == "C" {
+		return false
+	}
+	if len(locale) > 1 && locale[0] == 'C' && (locale[1] == '.' || locale[1] == '-') {
+		return false
+	}
+
+	return isEastAsian(locale)
+}

vendor/github.com/mattn/go-runewidth/runewidth_test.go

@@ -0,0 +1,275 @@
+package runewidth
+
+import (
+	"sort"
+	"testing"
+)
+
+var _ sort.Interface = (*table)(nil)
+
+func (t table) Len() int {
+	return len(t)
+}
+
+func (t table) Less(i, j int) bool {
+	return t[i].first < t[j].first
+}
+
+func (t *table) Swap(i, j int) {
+	(*t)[i], (*t)[j] = (*t)[j], (*t)[i]
+}
+
+var tables = []table{
+	private,
+	nonprint,
+	combining,
+	doublewidth,
+	ambiguous,
+	emoji,
+	notassigned,
+	neutral,
+}
+
+func TestSorted(t *testing.T) {
+	for _, tbl := range tables {
+		if !sort.IsSorted(&tbl) {
+			t.Errorf("not sorted")
+		}
+	}
+}
+
+var runewidthtests = []struct {
+	in    rune
+	out   int
+	eaout int
+}{
+	{'世', 2, 2},
+	{'界', 2, 2},
+	{'ｾ', 1, 1},
+	{'ｶ', 1, 1},
+	{'ｲ', 1, 1},
+	{'☆', 1, 2}, // double width in ambiguous
+	{'\x00', 0, 0},
+	{'\x01', 0, 0},
+	{'\u0300', 0, 0},
+}
+
+func TestRuneWidth(t *testing.T) {
+	c := NewCondition()
+	for _, tt := range runewidthtests {
+		if out := c.RuneWidth(tt.in); out != tt.out {
+			t.Errorf("RuneWidth(%q) = %d, want %d", tt.in, out, tt.out)
+		}
+	}
+	c.EastAsianWidth = true
+	for _, tt := range runewidthtests {
+		if out := c.RuneWidth(tt.in); out != tt.eaout {
+			t.Errorf("RuneWidth(%q) = %d, want %d", tt.in, out, tt.eaout)
+		}
+	}
+}
+
+var isambiguouswidthtests = []struct {
+	in  rune
+	out bool
+}{
+	{'世', false},
+	{'■', true},
+	{'界', false},
+	{'○', true},
+	{'㈱', false},
+	{'①', true},
+	{'②', true},
+	{'③', true},
+	{'④', true},
+	{'⑤', true},
+	{'⑥', true},
+	{'⑦', true},
+	{'⑧', true},
+	{'⑨', true},
+	{'⑩', true},
+	{'⑪', true},
+	{'⑫', true},
+	{'⑬', true},
+	{'⑭', true},
+	{'⑮', true},
+	{'⑯', true},
+	{'⑰', true},
+	{'⑱', true},
+	{'⑲', true},
+	{'⑳', true},
+	{'☆', true},
+}
+
+func TestIsAmbiguousWidth(t *testing.T) {
+	for _, tt := range isambiguouswidthtests {
+		if out := IsAmbiguousWidth(tt.in); out != tt.out {
+			t.Errorf("IsAmbiguousWidth(%q) = %v, want %v", tt.in, out, tt.out)
+		}
+	}
+}
+
+var stringwidthtests = []struct {
+	in    string
+	out   int
+	eaout int
+}{
+	{"■㈱の世界①", 10, 12},
+	{"スター☆", 7, 8},
+	{"つのだ☆HIRO", 11, 12},
+}
+
+func TestStringWidth(t *testing.T) {
+	c := NewCondition()
+	for _, tt := range stringwidthtests {
+		if out := c.StringWidth(tt.in); out != tt.out {
+			t.Errorf("StringWidth(%q) = %q, want %q", tt.in, out, tt.out)
+		}
+	}
+	c.EastAsianWidth = true
+	for _, tt := range stringwidthtests {
+		if out := c.StringWidth(tt.in); out != tt.eaout {
+			t.Errorf("StringWidth(%q) = %q, want %q", tt.in, out, tt.eaout)
+		}
+	}
+}
+
+func TestStringWidthInvalid(t *testing.T) {
+	s := "こんにちわ\x00世界"
+	if out := StringWidth(s); out != 14 {
+		t.Errorf("StringWidth(%q) = %q, want %q", s, out, 14)
+	}
+}
+
+func TestTruncateSmaller(t *testing.T) {
+	s := "あいうえお"
+	expected := "あいうえお"
+
+	if out := Truncate(s, 10, "..."); out != expected {
+		t.Errorf("Truncate(%q) = %q, want %q", s, out, expected)
+	}
+}
+
+func TestTruncate(t *testing.T) {
+	s := "あいうえおあいうえおえおおおおおおおおおおおおおおおおおおおおおおおおおおおおおお"
+	expected := "あいうえおあいうえおえおおおおおおおおおおおおおおおおおおおおおおおおおおお..."
+	out := Truncate(s, 80, "...")
+	if out != expected {
+		t.Errorf("Truncate(%q) = %q, want %q", s, out, expected)
+	}
+	width := StringWidth(out)
+	if width != 79 {
+		t.Errorf("width of Truncate(%q) should be %d, but %d", s, 79, width)
+	}
+}
+
+func TestTruncateFit(t *testing.T) {
+	s := "aあいうえおあいうえおえおおおおおおおおおおおおおおおおおおおおおおおおおおおおおお"
+	expected := "aあいうえおあいうえおえおおおおおおおおおおおおおおおおおおおおおおおおおおお..."
+
+	out := Truncate(s, 80, "...")
+	if out != expected {
+		t.Errorf("Truncate(%q) = %q, want %q", s, out, expected)
+	}
+	width := StringWidth(out)
+	if width != 80 {
+		t.Errorf("width of Truncate(%q) should be %d, but %d", s, 80, width)
+	}
+}
+
+func TestTruncateJustFit(t *testing.T) {
+	s := "あいうえおあいうえおえおおおおおおおおおおおおおおおおおおおおおおおおおおおおお"
+	expected := "あいうえおあいうえおえおおおおおおおおおおおおおおおおおおおおおおおおおおおおお"
+
+	out := Truncate(s, 80, "...")
+	if out != expected {
+		t.Errorf("Truncate(%q) = %q, want %q", s, out, expected)
+	}
+	width := StringWidth(out)
+	if width != 80 {
+		t.Errorf("width of Truncate(%q) should be %d, but %d", s, 80, width)
+	}
+}
+
+func TestWrap(t *testing.T) {
+	s := `東京特許許可局局長はよく柿喰う客だ/東京特許許可局局長はよく柿喰う客だ
+123456789012345678901234567890
+
+END`
+	expected := `東京特許許可局局長はよく柿喰う
+客だ/東京特許許可局局長はよく
+柿喰う客だ
+123456789012345678901234567890
+
+END`
+
+	if out := Wrap(s, 30); out != expected {
+		t.Errorf("Wrap(%q) = %q, want %q", s, out, expected)
+	}
+}
+
+func TestTruncateNoNeeded(t *testing.T) {
+	s := "あいうえおあい"
+	expected := "あいうえおあい"
+
+	if out := Truncate(s, 80, "..."); out != expected {
+		t.Errorf("Truncate(%q) = %q, want %q", s, out, expected)
+	}
+}
+
+var isneutralwidthtests = []struct {
+	in  rune
+	out bool
+}{
+	{'→', false},
+	{'┊', false},
+	{'┈', false},
+	{'～', false},
+	{'└', false},
+	{'⣀', true},
+	{'⣀', true},
+}
+
+func TestIsNeutralWidth(t *testing.T) {
+	for _, tt := range isneutralwidthtests {
+		if out := IsNeutralWidth(tt.in); out != tt.out {
+			t.Errorf("IsNeutralWidth(%q) = %v, want %v", tt.in, out, tt.out)
+		}
+	}
+}
+
+func TestFillLeft(t *testing.T) {
+	s := "あxいうえお"
+	expected := "    あxいうえお"
+
+	if out := FillLeft(s, 15); out != expected {
+		t.Errorf("FillLeft(%q) = %q, want %q", s, out, expected)
+	}
+}
+
+func TestFillLeftFit(t *testing.T) {
+	s := "あいうえお"
+	expected := "あいうえお"
+
+	if out := FillLeft(s, 10); out != expected {
+		t.Errorf("FillLeft(%q) = %q, want %q", s, out, expected)
+	}
+}
+
+func TestFillRight(t *testing.T) {
+	s := "あxいうえお"
+	expected := "あxいうえお    "
+
+	if out := FillRight(s, 15); out != expected {
+		t.Errorf("FillRight(%q) = %q, want %q", s, out, expected)
+	}
+}
+
+func TestFillRightFit(t *testing.T) {
+	s := "あいうえお"
+	expected := "あいうえお"
+
+	if out := FillRight(s, 10); out != expected {
+		t.Errorf("FillRight(%q) = %q, want %q", s, out, expected)
+	}
+}

vendor/github.com/mattn/go-runewidth/runewidth_windows.go

@@ -0,0 +1,25 @@
+package runewidth
+
+import (
+	"syscall"
+)
+
+var (
+	kernel32               = syscall.NewLazyDLL("kernel32")
+	procGetConsoleOutputCP = kernel32.NewProc("GetConsoleOutputCP")
+)
+
+// IsEastAsian return true if the current locale is CJK
+func IsEastAsian() bool {
+	r1, _, _ := procGetConsoleOutputCP.Call()
+	if r1 == 0 {
+		return false
+	}
+
+	switch int(r1) {
+	case 932, 51932, 936, 949, 950:
+		return true
+	}
+
+	return false
+}

vendor/github.com/mattn/go-shellwords/.travis.yml

@@ -0,0 +1,8 @@
+language: go
+go:
+  - tip
+before_install:
+  - go get github.com/mattn/goveralls
+  - go get golang.org/x/tools/cmd/cover
+script:
+    - $HOME/gopath/bin/goveralls -repotoken 2FMhp57u8LcstKL9B190fLTcEnBtAAiEL

vendor/github.com/mattn/go-shellwords/README.md

@@ -0,0 +1,47 @@
+# go-shellwords
+
+[![Coverage Status](https://coveralls.io/repos/mattn/go-shellwords/badge.png?branch=master)](https://coveralls.io/r/mattn/go-shellwords?branch=master)
+[![Build Status](https://travis-ci.org/mattn/go-shellwords.svg?branch=master)](https://travis-ci.org/mattn/go-shellwords)
+
+Parse line as shell words.
+
+## Usage
+
+```go
+args, err := shellwords.Parse("./foo --bar=baz")
+// args should be ["./foo", "--bar=baz"]
+```
+
+```go
+os.Setenv("FOO", "bar")
+p := shellwords.NewParser()
+p.ParseEnv = true
+args, err := p.Parse("./foo $FOO")
+// args should be ["./foo", "bar"]
+```
+
+```go
+p := shellwords.NewParser()
+p.ParseBacktick = true
+args, err := p.Parse("./foo `echo $SHELL`")
+// args should be ["./foo", "/bin/bash"]
+```
+
+```go
+shellwords.ParseBacktick = true
+p := shellwords.NewParser()
+args, err := p.Parse("./foo `echo $SHELL`")
+// args should be ["./foo", "/bin/bash"]
+```
+
+# Thanks
+
+This is based on cpan module [Parse::CommandLine](https://metacpan.org/pod/Parse::CommandLine).
+
+# License
+
+under the MIT License: http://mattn.mit-license.org/2014
+
+# Author
+
+Yasuhiro Matsumoto (a.k.a mattn)

vendor/github.com/mattn/go-shellwords/shellwords.go

@@ -0,0 +1,145 @@
+package shellwords
+
+import (
+	"errors"
+	"os"
+	"regexp"
+)
+
+var (
+	ParseEnv      bool = false
+	ParseBacktick bool = false
+)
+
+var envRe = regexp.MustCompile(`\$({[a-zA-Z0-9_]+}|[a-zA-Z0-9_]+)`)
+
+func isSpace(r rune) bool {
+	switch r {
+	case ' ', '\t', '\r', '\n':
+		return true
+	}
+	return false
+}
+
+func replaceEnv(s string) string {
+	return envRe.ReplaceAllStringFunc(s, func(s string) string {
+		s = s[1:]
+		if s[0] == '{' {
+			s = s[1 : len(s)-1]
+		}
+		return os.Getenv(s)
+	})
+}
+
+type Parser struct {
+	ParseEnv      bool
+	ParseBacktick bool
+	Position      int
+}
+
+func NewParser() *Parser {
+	return &Parser{ParseEnv, ParseBacktick, 0}
+}
+
+func (p *Parser) Parse(line string) ([]string, error) {
+	args := []string{}
+	buf := ""
+	var escaped, doubleQuoted, singleQuoted, backQuote bool
+	backtick := ""
+
+	pos := -1
+	got := false
+
+loop:
+	for i, r := range line {
+		if escaped {
+			buf += string(r)
+			escaped = false
+			continue
+		}
+
+		if r == '\\' {
+			if singleQuoted {
+				buf += string(r)
+			} else {
+				escaped = true
+			}
+			continue
+		}
+
+		if isSpace(r) {
+			if singleQuoted || doubleQuoted || backQuote {
+				buf += string(r)
+				backtick += string(r)
+			} else if got {
+				if p.ParseEnv {
+					buf = replaceEnv(buf)
+				}
+				args = append(args, buf)
+				buf = ""
+				got = false
+			}
+			continue
+		}
+
+		switch r {
+		case '`':
+			if !singleQuoted && !doubleQuoted {
+				if p.ParseBacktick {
+					if backQuote {
+						out, err := shellRun(backtick)
+						if err != nil {
+							return nil, err
+						}
+						buf = out
+					}
+					backtick = ""
+					backQuote = !backQuote
+					continue
+				}
+				backtick = ""
+				backQuote = !backQuote
+			}
+		case '"':
+			if !singleQuoted {
+				doubleQuoted = !doubleQuoted
+				continue
+			}
+		case '\'':
+			if !doubleQuoted {
+				singleQuoted = !singleQuoted
+				continue
+			}
+		case ';', '&', '|', '<', '>':
+			if !(escaped || singleQuoted || doubleQuoted || backQuote) {
+				pos = i
+				break loop
+			}
+		}
+
+		got = true
+		buf += string(r)
+		if backQuote {
+			backtick += string(r)
+		}
+	}
+
+	if got {
+		if p.ParseEnv {
+			buf = replaceEnv(buf)
+		}
+		args = append(args, buf)
+	}
+
+	if escaped || singleQuoted || doubleQuoted || backQuote {
+		return nil, errors.New("invalid command line string")
+	}
+
+	p.Position = pos
+
+	return args, nil
+}
+
+func Parse(line string) ([]string, error) {
+	return NewParser().Parse(line)
+}

vendor/github.com/mattn/go-shellwords/shellwords_test.go

@@ -0,0 +1,181 @@
+package shellwords
+
+import (
+	"os"
+	"reflect"
+	"testing"
+)
+
+var testcases = []struct {
+	line     string
+	expected []string
+}{
+	{`var --bar=baz`, []string{`var`, `--bar=baz`}},
+	{`var --bar="baz"`, []string{`var`, `--bar=baz`}},
+	{`var "--bar=baz"`, []string{`var`, `--bar=baz`}},
+	{`var "--bar='baz'"`, []string{`var`, `--bar='baz'`}},
+	{"var --bar=`baz`", []string{`var`, "--bar=`baz`"}},
+	{`var "--bar=\"baz'"`, []string{`var`, `--bar="baz'`}},
+	{`var "--bar=\'baz\'"`, []string{`var`, `--bar='baz'`}},
+	{`var --bar='\'`, []string{`var`, `--bar=\`}},
+	{`var "--bar baz"`, []string{`var`, `--bar baz`}},
+	{`var --"bar baz"`, []string{`var`, `--bar baz`}},
+	{`var  --"bar baz"`, []string{`var`, `--bar baz`}},
+}
+
+func TestSimple(t *testing.T) {
+	for _, testcase := range testcases {
+		args, err := Parse(testcase.line)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !reflect.DeepEqual(args, testcase.expected) {
+			t.Fatalf("Expected %#v, but %#v:", testcase.expected, args)
+		}
+	}
+}
+
+func TestError(t *testing.T) {
+	_, err := Parse("foo '")
+	if err == nil {
+		t.Fatal("Should be an error")
+	}
+	_, err = Parse(`foo "`)
+	if err == nil {
+		t.Fatal("Should be an error")
+	}
+
+	_, err = Parse("foo `")
+	if err == nil {
+		t.Fatal("Should be an error")
+	}
+}
+
+func TestLastSpace(t *testing.T) {
+	args, err := Parse("foo bar\\  ")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(args) != 2 {
+		t.Fatal("Should have two elements")
+	}
+	if args[0] != "foo" {
+		t.Fatal("1st element should be `foo`")
+	}
+	if args[1] != "bar " {
+		t.Fatal("1st element should be `bar `")
+	}
+}
+
+func TestBacktick(t *testing.T) {
+	goversion, err := shellRun("go version")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	parser := NewParser()
+	parser.ParseBacktick = true
+	args, err := parser.Parse("echo `go version`")
+	if err != nil {
+		t.Fatal(err)
+	}
+	expected := []string{"echo", goversion}
+	if !reflect.DeepEqual(args, expected) {
+		t.Fatalf("Expected %#v, but %#v:", expected, args)
+	}
+}
+
+func TestBacktickError(t *testing.T) {
+	parser := NewParser()
+	parser.ParseBacktick = true
+	_, err := parser.Parse("echo `go Version`")
+	if err == nil {
+		t.Fatal("Should be an error")
+	}
+}
+
+func TestEnv(t *testing.T) {
+	os.Setenv("FOO", "bar")
+
+	parser := NewParser()
+	parser.ParseEnv = true
+	args, err := parser.Parse("echo $FOO")
+	if err != nil {
+		t.Fatal(err)
+	}
+	expected := []string{"echo", "bar"}
+	if !reflect.DeepEqual(args, expected) {
+		t.Fatalf("Expected %#v, but %#v:", expected, args)
+	}
+}
+
+func TestNoEnv(t *testing.T) {
+	parser := NewParser()
+	parser.ParseEnv = true
+	args, err := parser.Parse("echo $BAR")
+	if err != nil {
+		t.Fatal(err)
+	}
+	expected := []string{"echo", ""}
+	if !reflect.DeepEqual(args, expected) {
+		t.Fatalf("Expected %#v, but %#v:", expected, args)
+	}
+}
+
+func TestDupEnv(t *testing.T) {
+	os.Setenv("FOO", "bar")
+	os.Setenv("FOO_BAR", "baz")
+
+	parser := NewParser()
+	parser.ParseEnv = true
+	args, err := parser.Parse("echo $$FOO$")
+	if err != nil {
+		t.Fatal(err)
+	}
+	expected := []string{"echo", "$bar$"}
+	if !reflect.DeepEqual(args, expected) {
+		t.Fatalf("Expected %#v, but %#v:", expected, args)
+	}
+
+	args, err = parser.Parse("echo $${FOO_BAR}$")
+	if err != nil {
+		t.Fatal(err)
+	}
+	expected = []string{"echo", "$baz$"}
+	if !reflect.DeepEqual(args, expected) {
+		t.Fatalf("Expected %#v, but %#v:", expected, args)
+	}
+}
+
+func TestHaveMore(t *testing.T) {
+	parser := NewParser()
+	parser.ParseEnv = true
+
+	line := "echo foo; seq 1 10"
+	args, err := parser.Parse(line)
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+	expected := []string{"echo", "foo"}
+	if !reflect.DeepEqual(args, expected) {
+		t.Fatalf("Expected %#v, but %#v:", expected, args)
+	}
+
+	if parser.Position == 0 {
+		t.Fatalf("Commands should be remaining")
+	}
+
+	line = string([]rune(line)[parser.Position+1:])
+	args, err = parser.Parse(line)
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+	expected = []string{"seq", "1", "10"}
+	if !reflect.DeepEqual(args, expected) {
+		t.Fatalf("Expected %#v, but %#v:", expected, args)
+	}
+
+	if parser.Position > 0 {
+		t.Fatalf("Commands should not be remaining")
+	}
+}

vendor/github.com/mattn/go-shellwords/util_posix.go

@@ -0,0 +1,19 @@
+// +build !windows
+
+package shellwords
+
+import (
+	"errors"
+	"os"
+	"os/exec"
+	"strings"
+)
+
+func shellRun(line string) (string, error) {
+	shell := os.Getenv("SHELL")
+	b, err := exec.Command(shell, "-c", line).Output()
+	if err != nil {
+		return "", errors.New(err.Error() + ":" + string(b))
+	}
+	return strings.TrimSpace(string(b)), nil
+}

vendor/github.com/mattn/go-shellwords/util_windows.go

@@ -0,0 +1,17 @@
+package shellwords
+
+import (
+	"errors"
+	"os"
+	"os/exec"
+	"strings"
+)
+
+func shellRun(line string) (string, error) {
+	shell := os.Getenv("COMSPEC")
+	b, err := exec.Command(shell, "/c", line).Output()
+	if err != nil {
+		return "", errors.New(err.Error() + ":" + string(b))
+	}
+	return strings.TrimSpace(string(b)), nil
+}