1 files changed, 0 insertions, 158 deletions
diff --git a/vendor/github.com/kelseyhightower/envconfig/usage.go b/vendor/github.com/kelseyhightower/envconfig/usage.go
deleted file mode 100644
index 184635380..000000000
--- a/vendor/github.com/kelseyhightower/envconfig/usage.go
+++ /dev/null
@@ -1,158 +0,0 @@
-// Copyright (c) 2016 Kelsey Hightower and others. All rights reserved.
-// Use of this source code is governed by the MIT License that can be found in
-// the LICENSE file.
-
-package envconfig
-
-import (
-	"encoding"
-	"fmt"
-	"io"
-	"os"
-	"reflect"
-	"strconv"
-	"strings"
-	"text/tabwriter"
-	"text/template"
-)
-
-const (
-	// DefaultListFormat constant to use to display usage in a list format
-	DefaultListFormat = `This application is configured via the environment. The following environment
-variables can be used:
-{{range .}}
-{{usage_key .}}
-  [description] {{usage_description .}}
-  [type]        {{usage_type .}}
-  [default]     {{usage_default .}}
-  [required]    {{usage_required .}}{{end}}
-`
-	// DefaultTableFormat constant to use to display usage in a tabluar format
-	DefaultTableFormat = `This application is configured via the environment. The following environment
-variables can be used:
-
-KEY	TYPE	DEFAULT	REQUIRED	DESCRIPTION
-{{range .}}{{usage_key .}}	{{usage_type .}}	{{usage_default .}}	{{usage_required .}}	{{usage_description .}}
-{{end}}`
-)
-
-var (
-	decoderType     = reflect.TypeOf((*Decoder)(nil)).Elem()
-	setterType      = reflect.TypeOf((*Setter)(nil)).Elem()
-	unmarshalerType = reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem()
-)
-
-func implementsInterface(t reflect.Type) bool {
-	return t.Implements(decoderType) ||
-		reflect.PtrTo(t).Implements(decoderType) ||
-		t.Implements(setterType) ||
-		reflect.PtrTo(t).Implements(setterType) ||
-		t.Implements(unmarshalerType) ||
-		reflect.PtrTo(t).Implements(unmarshalerType)
-}
-
-// toTypeDescription converts Go types into a human readable description
-func toTypeDescription(t reflect.Type) string {
-	switch t.Kind() {
-	case reflect.Array, reflect.Slice:
-		return fmt.Sprintf("Comma-separated list of %s", toTypeDescription(t.Elem()))
-	case reflect.Map:
-		return fmt.Sprintf(
-			"Comma-separated list of %s:%s pairs",
-			toTypeDescription(t.Key()),
-			toTypeDescription(t.Elem()),
-		)
-	case reflect.Ptr:
-		return toTypeDescription(t.Elem())
-	case reflect.Struct:
-		if implementsInterface(t) && t.Name() != "" {
-			return t.Name()
-		}
-		return ""
-	case reflect.String:
-		name := t.Name()
-		if name != "" && name != "string" {
-			return name
-		}
-		return "String"
-	case reflect.Bool:
-		name := t.Name()
-		if name != "" && name != "bool" {
-			return name
-		}
-		return "True or False"
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		name := t.Name()
-		if name != "" && !strings.HasPrefix(name, "int") {
-			return name
-		}
-		return "Integer"
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
-		name := t.Name()
-		if name != "" && !strings.HasPrefix(name, "uint") {
-			return name
-		}
-		return "Unsigned Integer"
-	case reflect.Float32, reflect.Float64:
-		name := t.Name()
-		if name != "" && !strings.HasPrefix(name, "float") {
-			return name
-		}
-		return "Float"
-	}
-	return fmt.Sprintf("%+v", t)
-}
-
-// Usage writes usage information to stderr using the default header and table format
-func Usage(prefix string, spec interface{}) error {
-	// The default is to output the usage information as a table
-	// Create tabwriter instance to support table output
-	tabs := tabwriter.NewWriter(os.Stdout, 1, 0, 4, ' ', 0)
-
-	err := Usagef(prefix, spec, tabs, DefaultTableFormat)
-	tabs.Flush()
-	return err
-}
-
-// Usagef writes usage information to the specified io.Writer using the specifed template specification
-func Usagef(prefix string, spec interface{}, out io.Writer, format string) error {
-
-	// Specify the default usage template functions
-	functions := template.FuncMap{
-		"usage_key":         func(v varInfo) string { return v.Key },
-		"usage_description": func(v varInfo) string { return v.Tags.Get("desc") },
-		"usage_type":        func(v varInfo) string { return toTypeDescription(v.Field.Type()) },
-		"usage_default":     func(v varInfo) string { return v.Tags.Get("default") },
-		"usage_required": func(v varInfo) (string, error) {
-			req := v.Tags.Get("required")
-			if req != "" {
-				reqB, err := strconv.ParseBool(req)
-				if err != nil {
-					return "", err
-				}
-				if reqB {
-					req = "true"
-				}
-			}
-			return req, nil
-		},
-	}
-
-	tmpl, err := template.New("envconfig").Funcs(functions).Parse(format)
-	if err != nil {
-		return err
-	}
-
-	return Usaget(prefix, spec, out, tmpl)
-}
-
-// Usaget writes usage information to the specified io.Writer using the specified template
-func Usaget(prefix string, spec interface{}, out io.Writer, tmpl *template.Template) error {
-	// gather first
-	infos, err := gatherInfo(prefix, spec)
-	if err != nil {
-		return err
-	}
-
-	return tmpl.Execute(out, infos)
-}