Merge pull request #107 from google/mod

Use Go Modules and support Go 1.11 building

2 files changed, 0 insertions, 472 deletions

diff --git a/vendor/github.com/golang/lint/golint/golint.go b/vendor/github.com/golang/lint/golint/golint.go
deleted file mode 100644
index 0088274..0000000
--- a/vendor/github.com/golang/lint/golint/golint.go
+++ /dev/null
@@ -1,162 +0,0 @@
-// Copyright (c) 2013 The Go Authors. All rights reserved.
-//
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file or at
-// https://developers.google.com/open-source/licenses/bsd.
-
-// golint lints the Go source files named on its command line.
-package main
-
-import (
-	"flag"
-	"fmt"
-	"go/build"
-	"io/ioutil"
-	"os"
-	"path/filepath"
-	"strings"
-
-	"github.com/golang/lint"
-)
-
-var (
-	minConfidence = flag.Float64("min_confidence", 0.8, "minimum confidence of a problem to print it")
-	setExitStatus = flag.Bool("set_exit_status", false, "set exit status to 1 if any issues are found")
-	suggestions   int
-)
-
-func usage() {
-	fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0])
-	fmt.Fprintf(os.Stderr, "\tgolint [flags] # runs on package in current directory\n")
-	fmt.Fprintf(os.Stderr, "\tgolint [flags] [packages]\n")
-	fmt.Fprintf(os.Stderr, "\tgolint [flags] [directories] # where a '/...' suffix includes all sub-directories\n")
-	fmt.Fprintf(os.Stderr, "\tgolint [flags] [files] # all must belong to a single package\n")
-	fmt.Fprintf(os.Stderr, "Flags:\n")
-	flag.PrintDefaults()
-}
-
-func main() {
-	flag.Usage = usage
-	flag.Parse()
-
-	if flag.NArg() == 0 {
-		lintDir(".")
-	} else {
-		// dirsRun, filesRun, and pkgsRun indicate whether golint is applied to
-		// directory, file or package targets. The distinction affects which
-		// checks are run. It is no valid to mix target types.
-		var dirsRun, filesRun, pkgsRun int
-		var args []string
-		for _, arg := range flag.Args() {
-			if trimmedArg := strings.TrimSuffix(arg, "/..."); trimmedArg != arg && isDir(trimmedArg) {
-				dirsRun = 1
-				for _, dirname := range allPackagesInFS(arg) {
-					if strings.Contains(dirname[len(trimmedArg):], "/vendor/") {
-						continue
-					}
-					args = append(args, dirname)
-				}
-			} else if isDir(arg) {
-				dirsRun = 1
-				args = append(args, arg)
-			} else if exists(arg) {
-				filesRun = 1
-				args = append(args, arg)
-			} else {
-				pkgsRun = 1
-				args = append(args, arg)
-			}
-		}
-
-		if dirsRun+filesRun+pkgsRun != 1 {
-			usage()
-			os.Exit(2)
-		}
-		switch {
-		case dirsRun == 1:
-			for _, dir := range args {
-				lintDir(dir)
-			}
-		case filesRun == 1:
-			lintFiles(args...)
-		case pkgsRun == 1:
-			for _, pkg := range importPaths(args) {
-				lintPackage(pkg)
-			}
-		}
-	}
-
-	if *setExitStatus && suggestions > 0 {
-		fmt.Fprintf(os.Stderr, "Found %d lint suggestions; failing.\n", suggestions)
-		os.Exit(1)
-	}
-}
-
-func isDir(filename string) bool {
-	fi, err := os.Stat(filename)
-	return err == nil && fi.IsDir()
-}
-
-func exists(filename string) bool {
-	_, err := os.Stat(filename)
-	return err == nil
-}
-
-func lintFiles(filenames ...string) {
-	files := make(map[string][]byte)
-	for _, filename := range filenames {
-		src, err := ioutil.ReadFile(filename)
-		if err != nil {
-			fmt.Fprintln(os.Stderr, err)
-			continue
-		}
-		files[filename] = src
-	}
-
-	l := new(lint.Linter)
-	ps, err := l.LintFiles(files)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "%v\n", err)
-		return
-	}
-	for _, p := range ps {
-		if p.Confidence >= *minConfidence {
-			fmt.Printf("%v: %s\n", p.Position, p.Text)
-			suggestions++
-		}
-	}
-}
-
-func lintDir(dirname string) {
-	pkg, err := build.ImportDir(dirname, 0)
-	lintImportedPackage(pkg, err)
-}
-
-func lintPackage(pkgname string) {
-	pkg, err := build.Import(pkgname, ".", 0)
-	lintImportedPackage(pkg, err)
-}
-
-func lintImportedPackage(pkg *build.Package, err error) {
-	if err != nil {
-		if _, nogo := err.(*build.NoGoError); nogo {
-			// Don't complain if the failure is due to no Go source files.
-			return
-		}
-		fmt.Fprintln(os.Stderr, err)
-		return
-	}
-
-	var files []string
-	files = append(files, pkg.GoFiles...)
-	files = append(files, pkg.CgoFiles...)
-	files = append(files, pkg.TestGoFiles...)
-	if pkg.Dir != "." {
-		for i, f := range files {
-			files[i] = filepath.Join(pkg.Dir, f)
-		}
-	}
-	// TODO(dsymonds): Do foo_test too (pkg.XTestGoFiles)
-
-	lintFiles(files...)
-}
diff --git a/vendor/github.com/golang/lint/golint/import.go b/vendor/github.com/golang/lint/golint/import.go
deleted file mode 100644
index 02a0daa..0000000
--- a/vendor/github.com/golang/lint/golint/import.go
+++ /dev/null
@@ -1,310 +0,0 @@
-package main
-
-/*
-
-This file holds a direct copy of the import path matching code of
-https://github.com/golang/go/blob/master/src/cmd/go/main.go. It can be
-replaced when https://golang.org/issue/8768 is resolved.
-
-It has been updated to follow upstream changes in a few ways.
-
-*/
-
-import (
-	"fmt"
-	"go/build"
-	"log"
-	"os"
-	"path"
-	"path/filepath"
-	"regexp"
-	"runtime"
-	"strings"
-)
-
-var buildContext = build.Default
-
-var (
-	goroot    = filepath.Clean(runtime.GOROOT())
-	gorootSrc = filepath.Join(goroot, "src")
-)
-
-// importPathsNoDotExpansion returns the import paths to use for the given
-// command line, but it does no ... expansion.
-func importPathsNoDotExpansion(args []string) []string {
-	if len(args) == 0 {
-		return []string{"."}
-	}
-	var out []string
-	for _, a := range args {
-		// Arguments are supposed to be import paths, but
-		// as a courtesy to Windows developers, rewrite \ to /
-		// in command-line arguments.  Handles .\... and so on.
-		if filepath.Separator == '\\' {
-			a = strings.Replace(a, `\`, `/`, -1)
-		}
-
-		// Put argument in canonical form, but preserve leading ./.
-		if strings.HasPrefix(a, "./") {
-			a = "./" + path.Clean(a)
-			if a == "./." {
-				a = "."
-			}
-		} else {
-			a = path.Clean(a)
-		}
-		if a == "all" || a == "std" {
-			out = append(out, allPackages(a)...)
-			continue
-		}
-		out = append(out, a)
-	}
-	return out
-}
-
-// importPaths returns the import paths to use for the given command line.
-func importPaths(args []string) []string {
-	args = importPathsNoDotExpansion(args)
-	var out []string
-	for _, a := range args {
-		if strings.Contains(a, "...") {
-			if build.IsLocalImport(a) {
-				out = append(out, allPackagesInFS(a)...)
-			} else {
-				out = append(out, allPackages(a)...)
-			}
-			continue
-		}
-		out = append(out, a)
-	}
-	return out
-}
-
-// matchPattern(pattern)(name) reports whether
-// name matches pattern.  Pattern is a limited glob
-// pattern in which '...' means 'any string' and there
-// is no other special syntax.
-func matchPattern(pattern string) func(name string) bool {
-	re := regexp.QuoteMeta(pattern)
-	re = strings.Replace(re, `\.\.\.`, `.*`, -1)
-	// Special case: foo/... matches foo too.
-	if strings.HasSuffix(re, `/.*`) {
-		re = re[:len(re)-len(`/.*`)] + `(/.*)?`
-	}
-	reg := regexp.MustCompile(`^` + re + `$`)
-	return func(name string) bool {
-		return reg.MatchString(name)
-	}
-}
-
-// hasPathPrefix reports whether the path s begins with the
-// elements in prefix.
-func hasPathPrefix(s, prefix string) bool {
-	switch {
-	default:
-		return false
-	case len(s) == len(prefix):
-		return s == prefix
-	case len(s) > len(prefix):
-		if prefix != "" && prefix[len(prefix)-1] == '/' {
-			return strings.HasPrefix(s, prefix)
-		}
-		return s[len(prefix)] == '/' && s[:len(prefix)] == prefix
-	}
-}
-
-// treeCanMatchPattern(pattern)(name) reports whether
-// name or children of name can possibly match pattern.
-// Pattern is the same limited glob accepted by matchPattern.
-func treeCanMatchPattern(pattern string) func(name string) bool {
-	wildCard := false
-	if i := strings.Index(pattern, "..."); i >= 0 {
-		wildCard = true
-		pattern = pattern[:i]
-	}
-	return func(name string) bool {
-		return len(name) <= len(pattern) && hasPathPrefix(pattern, name) ||
-			wildCard && strings.HasPrefix(name, pattern)
-	}
-}
-
-// allPackages returns all the packages that can be found
-// under the $GOPATH directories and $GOROOT matching pattern.
-// The pattern is either "all" (all packages), "std" (standard packages)
-// or a path including "...".
-func allPackages(pattern string) []string {
-	pkgs := matchPackages(pattern)
-	if len(pkgs) == 0 {
-		fmt.Fprintf(os.Stderr, "warning: %q matched no packages\n", pattern)
-	}
-	return pkgs
-}
-
-func matchPackages(pattern string) []string {
-	match := func(string) bool { return true }
-	treeCanMatch := func(string) bool { return true }
-	if pattern != "all" && pattern != "std" {
-		match = matchPattern(pattern)
-		treeCanMatch = treeCanMatchPattern(pattern)
-	}
-
-	have := map[string]bool{
-		"builtin": true, // ignore pseudo-package that exists only for documentation
-	}
-	if !buildContext.CgoEnabled {
-		have["runtime/cgo"] = true // ignore during walk
-	}
-	var pkgs []string
-
-	// Commands
-	cmd := filepath.Join(goroot, "src/cmd") + string(filepath.Separator)
-	filepath.Walk(cmd, func(path string, fi os.FileInfo, err error) error {
-		if err != nil || !fi.IsDir() || path == cmd {
-			return nil
-		}
-		name := path[len(cmd):]
-		if !treeCanMatch(name) {
-			return filepath.SkipDir
-		}
-		// Commands are all in cmd/, not in subdirectories.
-		if strings.Contains(name, string(filepath.Separator)) {
-			return filepath.SkipDir
-		}
-
-		// We use, e.g., cmd/gofmt as the pseudo import path for gofmt.
-		name = "cmd/" + name
-		if have[name] {
-			return nil
-		}
-		have[name] = true
-		if !match(name) {
-			return nil
-		}
-		_, err = buildContext.ImportDir(path, 0)
-		if err != nil {
-			if _, noGo := err.(*build.NoGoError); !noGo {
-				log.Print(err)
-			}
-			return nil
-		}
-		pkgs = append(pkgs, name)
-		return nil
-	})
-
-	for _, src := range buildContext.SrcDirs() {
-		if (pattern == "std" || pattern == "cmd") && src != gorootSrc {
-			continue
-		}
-		src = filepath.Clean(src) + string(filepath.Separator)
-		root := src
-		if pattern == "cmd" {
-			root += "cmd" + string(filepath.Separator)
-		}
-		filepath.Walk(root, func(path string, fi os.FileInfo, err error) error {
-			if err != nil || !fi.IsDir() || path == src {
-				return nil
-			}
-
-			// Avoid .foo, _foo, and testdata directory trees.
-			_, elem := filepath.Split(path)
-			if strings.HasPrefix(elem, ".") || strings.HasPrefix(elem, "_") || elem == "testdata" {
-				return filepath.SkipDir
-			}
-
-			name := filepath.ToSlash(path[len(src):])
-			if pattern == "std" && (strings.Contains(name, ".") || name == "cmd") {
-				// The name "std" is only the standard library.
-				// If the name is cmd, it's the root of the command tree.
-				return filepath.SkipDir
-			}
-			if !treeCanMatch(name) {
-				return filepath.SkipDir
-			}
-			if have[name] {
-				return nil
-			}
-			have[name] = true
-			if !match(name) {
-				return nil
-			}
-			_, err = buildContext.ImportDir(path, 0)
-			if err != nil {
-				if _, noGo := err.(*build.NoGoError); noGo {
-					return nil
-				}
-			}
-			pkgs = append(pkgs, name)
-			return nil
-		})
-	}
-	return pkgs
-}
-
-// allPackagesInFS is like allPackages but is passed a pattern
-// beginning ./ or ../, meaning it should scan the tree rooted
-// at the given directory.  There are ... in the pattern too.
-func allPackagesInFS(pattern string) []string {
-	pkgs := matchPackagesInFS(pattern)
-	if len(pkgs) == 0 {
-		fmt.Fprintf(os.Stderr, "warning: %q matched no packages\n", pattern)
-	}
-	return pkgs
-}
-
-func matchPackagesInFS(pattern string) []string {
-	// Find directory to begin the scan.
-	// Could be smarter but this one optimization
-	// is enough for now, since ... is usually at the
-	// end of a path.
-	i := strings.Index(pattern, "...")
-	dir, _ := path.Split(pattern[:i])
-
-	// pattern begins with ./ or ../.
-	// path.Clean will discard the ./ but not the ../.
-	// We need to preserve the ./ for pattern matching
-	// and in the returned import paths.
-	prefix := ""
-	if strings.HasPrefix(pattern, "./") {
-		prefix = "./"
-	}
-	match := matchPattern(pattern)
-
-	var pkgs []string
-	filepath.Walk(dir, func(path string, fi os.FileInfo, err error) error {
-		if err != nil || !fi.IsDir() {
-			return nil
-		}
-		if path == dir {
-			// filepath.Walk starts at dir and recurses. For the recursive case,
-			// the path is the result of filepath.Join, which calls filepath.Clean.
-			// The initial case is not Cleaned, though, so we do this explicitly.
-			//
-			// This converts a path like "./io/" to "io". Without this step, running
-			// "cd $GOROOT/src/pkg; go list ./io/..." would incorrectly skip the io
-			// package, because prepending the prefix "./" to the unclean path would
-			// result in "././io", and match("././io") returns false.
-			path = filepath.Clean(path)
-		}
-
-		// Avoid .foo, _foo, and testdata directory trees, but do not avoid "." or "..".
-		_, elem := filepath.Split(path)
-		dot := strings.HasPrefix(elem, ".") && elem != "." && elem != ".."
-		if dot || strings.HasPrefix(elem, "_") || elem == "testdata" {
-			return filepath.SkipDir
-		}
-
-		name := prefix + filepath.ToSlash(path)
-		if !match(name) {
-			return nil
-		}
-		if _, err = build.ImportDir(path, 0); err != nil {
-			if _, noGo := err.(*build.NoGoError); !noGo {
-				log.Print(err)
-			}
-			return nil
-		}
-		pkgs = append(pkgs, name)
-		return nil
-	})
-	return pkgs
-}