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Add glide.yaml and vendor deps

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Dalton Hubble 2016-12-03 22:43:32 -08:00
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# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
cobra.test

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Steve Francia <steve.francia@gmail.com>
Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
Fabiano Franz <ffranz@redhat.com> <contact@fabianofranz.com>

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language: go
go:
- 1.3.3
- 1.4.2
- 1.5.1
- tip
script:
- go test -v ./...
- go build

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Apache License
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http://www.apache.org/licenses/
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whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
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# Generating Bash Completions For Your Own cobra.Command
Generating bash completions from a cobra command is incredibly easy. An actual program which does so for the kubernetes kubectl binary is as follows:
```go
package main
import (
"io/ioutil"
"os"
"github.com/GoogleCloudPlatform/kubernetes/pkg/kubectl/cmd"
)
func main() {
kubectl := cmd.NewFactory(nil).NewKubectlCommand(os.Stdin, ioutil.Discard, ioutil.Discard)
kubectl.GenBashCompletionFile("out.sh")
}
```
That will get you completions of subcommands and flags. If you make additional annotations to your code, you can get even more intelligent and flexible behavior.
## Creating your own custom functions
Some more actual code that works in kubernetes:
```bash
const (
bash_completion_func = `__kubectl_parse_get()
{
local kubectl_output out
if kubectl_output=$(kubectl get --no-headers "$1" 2>/dev/null); then
out=($(echo "${kubectl_output}" | awk '{print $1}'))
COMPREPLY=( $( compgen -W "${out[*]}" -- "$cur" ) )
fi
}
__kubectl_get_resource()
{
if [[ ${#nouns[@]} -eq 0 ]]; then
return 1
fi
__kubectl_parse_get ${nouns[${#nouns[@]} -1]}
if [[ $? -eq 0 ]]; then
return 0
fi
}
__custom_func() {
case ${last_command} in
kubectl_get | kubectl_describe | kubectl_delete | kubectl_stop)
__kubectl_get_resource
return
;;
*)
;;
esac
}
`)
```
And then I set that in my command definition:
```go
cmds := &cobra.Command{
Use: "kubectl",
Short: "kubectl controls the Kubernetes cluster manager",
Long: `kubectl controls the Kubernetes cluster manager.
Find more information at https://github.com/GoogleCloudPlatform/kubernetes.`,
Run: runHelp,
BashCompletionFunction: bash_completion_func,
}
```
The `BashCompletionFunction` option is really only valid/useful on the root command. Doing the above will cause `__custom_func()` to be called when the built in processor was unable to find a solution. In the case of kubernetes a valid command might look something like `kubectl get pod [mypod]`. If you type `kubectl get pod [tab][tab]` the `__customc_func()` will run because the cobra.Command only understood "kubectl" and "get." `__custom_func()` will see that the cobra.Command is "kubectl_get" and will thus call another helper `__kubectl_get_resource()`. `__kubectl_get_resource` will look at the 'nouns' collected. In our example the only noun will be `pod`. So it will call `__kubectl_parse_get pod`. `__kubectl_parse_get` will actually call out to kubernetes and get any pods. It will then set `COMPREPLY` to valid pods!
## Have the completions code complete your 'nouns'
In the above example "pod" was assumed to already be typed. But if you want `kubectl get [tab][tab]` to show a list of valid "nouns" you have to set them. Simplified code from `kubectl get` looks like:
```go
validArgs []string = { "pods", "nodes", "services", "replicationControllers" }
cmd := &cobra.Command{
Use: "get [(-o|--output=)json|yaml|template|...] (RESOURCE [NAME] | RESOURCE/NAME ...)",
Short: "Display one or many resources",
Long: get_long,
Example: get_example,
Run: func(cmd *cobra.Command, args []string) {
err := RunGet(f, out, cmd, args)
util.CheckErr(err)
},
ValidArgs: validArgs,
}
```
Notice we put the "ValidArgs" on the "get" subcommand. Doing so will give results like
```bash
# kubectl get [tab][tab]
nodes pods replicationControllers services
```
## Mark flags as required
Most of the time completions will only show subcommands. But if a flag is required to make a subcommand work, you probably want it to show up when the user types [tab][tab]. Marking a flag as 'Required' is incredibly easy.
```go
cmd.MarkFlagRequired("pod")
cmd.MarkFlagRequired("container")
```
and you'll get something like
```bash
# kubectl exec [tab][tab][tab]
-c --container= -p --pod=
```
# Specify valid filename extensions for flags that take a filename
In this example we use --filename= and expect to get a json or yaml file as the argument. To make this easier we annotate the --filename flag with valid filename extensions.
```go
annotations := []string{"json", "yaml", "yml"}
annotation := make(map[string][]string)
annotation[cobra.BashCompFilenameExt] = annotations
flag := &pflag.Flag{
Name: "filename",
Shorthand: "f",
Usage: usage,
Value: value,
DefValue: value.String(),
Annotations: annotation,
}
cmd.Flags().AddFlag(flag)
```
Now when you run a command with this filename flag you'll get something like
```bash
# kubectl create -f
test/ example/ rpmbuild/
hello.yml test.json
```
So while there are many other files in the CWD it only shows me subdirs and those with valid extensions.

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package cobra
import (
"bytes"
"fmt"
"os"
"strings"
"testing"
)
var _ = fmt.Println
var _ = os.Stderr
func checkOmit(t *testing.T, found, unexpected string) {
if strings.Contains(found, unexpected) {
t.Errorf("Unexpected response.\nGot: %q\nBut should not have!\n", unexpected)
}
}
func check(t *testing.T, found, expected string) {
if !strings.Contains(found, expected) {
t.Errorf("Unexpected response.\nExpecting to contain: \n %q\nGot:\n %q\n", expected, found)
}
}
// World worst custom function, just keep telling you to enter hello!
const (
bash_completion_func = `__custom_func() {
COMPREPLY=( "hello" )
}
`
)
func TestBashCompletions(t *testing.T) {
c := initializeWithRootCmd()
cmdEcho.AddCommand(cmdTimes)
c.AddCommand(cmdEcho, cmdPrint, cmdDeprecated, cmdColon)
// custom completion function
c.BashCompletionFunction = bash_completion_func
// required flag
c.MarkFlagRequired("introot")
// valid nouns
validArgs := []string{"pods", "nodes", "services", "replicationControllers"}
c.ValidArgs = validArgs
// filename
var flagval string
c.Flags().StringVar(&flagval, "filename", "", "Enter a filename")
c.MarkFlagFilename("filename", "json", "yaml", "yml")
// persistent filename
var flagvalPersistent string
c.PersistentFlags().StringVar(&flagvalPersistent, "persistent-filename", "", "Enter a filename")
c.MarkPersistentFlagFilename("persistent-filename")
c.MarkPersistentFlagRequired("persistent-filename")
// filename extensions
var flagvalExt string
c.Flags().StringVar(&flagvalExt, "filename-ext", "", "Enter a filename (extension limited)")
c.MarkFlagFilename("filename-ext")
// subdirectories in a given directory
var flagvalTheme string
c.Flags().StringVar(&flagvalTheme, "theme", "", "theme to use (located in /themes/THEMENAME/)")
c.Flags().SetAnnotation("theme", BashCompSubdirsInDir, []string{"themes"})
out := new(bytes.Buffer)
c.GenBashCompletion(out)
str := out.String()
check(t, str, "_cobra-test")
check(t, str, "_cobra-test_echo")
check(t, str, "_cobra-test_echo_times")
check(t, str, "_cobra-test_print")
check(t, str, "_cobra-test_cmd__colon")
// check for required flags
check(t, str, `must_have_one_flag+=("--introot=")`)
check(t, str, `must_have_one_flag+=("--persistent-filename=")`)
// check for custom completion function
check(t, str, `COMPREPLY=( "hello" )`)
// check for required nouns
check(t, str, `must_have_one_noun+=("pods")`)
// check for filename extension flags
check(t, str, `flags_completion+=("_filedir")`)
// check for filename extension flags
check(t, str, `flags_completion+=("__handle_filename_extension_flag json|yaml|yml")`)
// check for subdirs_in_dir flags
check(t, str, `flags_completion+=("__handle_subdirs_in_dir_flag themes")`)
checkOmit(t, str, cmdDeprecated.Name())
}

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// Copyright © 2013 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Commands similar to git, go tools and other modern CLI tools
// inspired by go, go-Commander, gh and subcommand
package cobra
import (
"fmt"
"io"
"reflect"
"strconv"
"strings"
"text/template"
"unicode"
)
var templateFuncs template.FuncMap = template.FuncMap{
"trim": strings.TrimSpace,
"trimRightSpace": trimRightSpace,
"rpad": rpad,
"gt": Gt,
"eq": Eq,
}
var initializers []func()
// automatic prefix matching can be a dangerous thing to automatically enable in CLI tools.
// Set this to true to enable it
var EnablePrefixMatching bool = false
//AddTemplateFunc adds a template function that's available to Usage and Help
//template generation.
func AddTemplateFunc(name string, tmplFunc interface{}) {
templateFuncs[name] = tmplFunc
}
//AddTemplateFuncs adds multiple template functions availalble to Usage and
//Help template generation.
func AddTemplateFuncs(tmplFuncs template.FuncMap) {
for k, v := range tmplFuncs {
templateFuncs[k] = v
}
}
//OnInitialize takes a series of func() arguments and appends them to a slice of func().
func OnInitialize(y ...func()) {
for _, x := range y {
initializers = append(initializers, x)
}
}
//Gt takes two types and checks whether the first type is greater than the second. In case of types Arrays, Chans,
//Maps and Slices, Gt will compare their lengths. Ints are compared directly while strings are first parsed as
//ints and then compared.
func Gt(a interface{}, b interface{}) bool {
var left, right int64
av := reflect.ValueOf(a)
switch av.Kind() {
case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice:
left = int64(av.Len())
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
left = av.Int()
case reflect.String:
left, _ = strconv.ParseInt(av.String(), 10, 64)
}
bv := reflect.ValueOf(b)
switch bv.Kind() {
case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice:
right = int64(bv.Len())
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
right = bv.Int()
case reflect.String:
right, _ = strconv.ParseInt(bv.String(), 10, 64)
}
return left > right
}
//Eq takes two types and checks whether they are equal. Supported types are int and string. Unsupported types will panic.
func Eq(a interface{}, b interface{}) bool {
av := reflect.ValueOf(a)
bv := reflect.ValueOf(b)
switch av.Kind() {
case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice:
panic("Eq called on unsupported type")
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return av.Int() == bv.Int()
case reflect.String:
return av.String() == bv.String()
}
return false
}
func trimRightSpace(s string) string {
return strings.TrimRightFunc(s, unicode.IsSpace)
}
//rpad adds padding to the right of a string
func rpad(s string, padding int) string {
template := fmt.Sprintf("%%-%ds", padding)
return fmt.Sprintf(template, s)
}
// tmpl executes the given template text on data, writing the result to w.
func tmpl(w io.Writer, text string, data interface{}) error {
t := template.New("top")
t.Funcs(templateFuncs)
template.Must(t.Parse(text))
return t.Execute(w, data)
}
// ld compares two strings and returns the levenshtein distance between them
func ld(s, t string, ignoreCase bool) int {
if ignoreCase {
s = strings.ToLower(s)
t = strings.ToLower(t)
}
d := make([][]int, len(s)+1)
for i := range d {
d[i] = make([]int, len(t)+1)
}
for i := range d {
d[i][0] = i
}
for j := range d[0] {
d[0][j] = j
}
for j := 1; j <= len(t); j++ {
for i := 1; i <= len(s); i++ {
if s[i-1] == t[j-1] {
d[i][j] = d[i-1][j-1]
} else {
min := d[i-1][j]
if d[i][j-1] < min {
min = d[i][j-1]
}
if d[i-1][j-1] < min {
min = d[i-1][j-1]
}
d[i][j] = min + 1
}
}
}
return d[len(s)][len(t)]
}

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// Copyright © 2015 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"fmt"
"path/filepath"
"strings"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
func init() {
RootCmd.AddCommand(addCmd)
}
var pName string
// initialize Command
var addCmd = &cobra.Command{
Use: "add [command name]",
Aliases: []string{"command"},
Short: "Add a command to a Cobra Application",
Long: `Add (cobra add) will create a new command, with a license and
the appropriate structure for a Cobra-based CLI application,
and register it to its parent (default RootCmd).
If you want your command to be public, pass in the command name
with an initial uppercase letter.
Example: cobra add server -> resulting in a new cmd/server.go
`,
Run: func(cmd *cobra.Command, args []string) {
if len(args) != 1 {
er("add needs a name for the command")
}
guessProjectPath()
createCmdFile(args[0])
},
}
func init() {
addCmd.Flags().StringVarP(&pName, "parent", "p", "RootCmd", "name of parent command for this command")
}
func parentName() string {
if !strings.HasSuffix(strings.ToLower(pName), "cmd") {
return pName + "Cmd"
}
return pName
}
func createCmdFile(cmdName string) {
lic := getLicense()
template := `{{ comment .copyright }}
{{ comment .license }}
package cmd
import (
"fmt"
"github.com/spf13/cobra"
)
// {{.cmdName}}Cmd represents the {{.cmdName}} command
var {{ .cmdName }}Cmd = &cobra.Command{
Use: "{{ .cmdName }}",
Short: "A brief description of your command",
Long: ` + "`" + `A longer description that spans multiple lines and likely contains examples
and usage of using your command. For example:
Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.` + "`" + `,
Run: func(cmd *cobra.Command, args []string) {
// TODO: Work your own magic here
fmt.Println("{{ .cmdName }} called")
},
}
func init() {
{{ .parentName }}.AddCommand({{ .cmdName }}Cmd)
// Here you will define your flags and configuration settings.
// Cobra supports Persistent Flags which will work for this command
// and all subcommands, e.g.:
// {{.cmdName}}Cmd.PersistentFlags().String("foo", "", "A help for foo")
// Cobra supports local flags which will only run when this command
// is called directly, e.g.:
// {{.cmdName}}Cmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}
`
var data map[string]interface{}
data = make(map[string]interface{})
data["copyright"] = copyrightLine()
data["license"] = lic.Header
data["appName"] = projectName()
data["viper"] = viper.GetBool("useViper")
data["parentName"] = parentName()
data["cmdName"] = cmdName
err := writeTemplateToFile(filepath.Join(ProjectPath(), guessCmdDir()), cmdName+".go", template, data)
if err != nil {
er(err)
}
fmt.Println(cmdName, "created at", filepath.Join(ProjectPath(), guessCmdDir(), cmdName+".go"))
}

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vendor/github.com/spf13/cobra/cobra/cmd/helpers.go generated vendored Normal file
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// Copyright © 2015 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"bytes"
"fmt"
"io"
"os"
"path/filepath"
"strings"
"text/template"
"time"
"github.com/spf13/viper"
)
// var BaseDir = ""
// var AppName = ""
// var CommandDir = ""
var funcMap template.FuncMap
var projectPath = ""
var inputPath = ""
var projectBase = ""
// for testing only
var testWd = ""
var cmdDirs = []string{"cmd", "cmds", "command", "commands"}
func init() {
funcMap = template.FuncMap{
"comment": commentifyString,
}
}
func er(msg interface{}) {
fmt.Println("Error:", msg)
os.Exit(-1)
}
// Check if a file or directory exists.
func exists(path string) (bool, error) {
_, err := os.Stat(path)
if err == nil {
return true, nil
}
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
func ProjectPath() string {
if projectPath == "" {
guessProjectPath()
}
return projectPath
}
// wrapper of the os package so we can test better
func getWd() (string, error) {
if testWd == "" {
return os.Getwd()
}
return testWd, nil
}
func guessCmdDir() string {
guessProjectPath()
if b, _ := isEmpty(projectPath); b {
return "cmd"
}
files, _ := filepath.Glob(projectPath + string(os.PathSeparator) + "c*")
for _, f := range files {
for _, c := range cmdDirs {
if f == c {
return c
}
}
}
return "cmd"
}
func guessImportPath() string {
guessProjectPath()
if !strings.HasPrefix(projectPath, getSrcPath()) {
er("Cobra only supports project within $GOPATH")
}
return filepath.ToSlash(filepath.Clean(strings.TrimPrefix(projectPath, getSrcPath())))
}
func getSrcPath() string {
return filepath.Join(os.Getenv("GOPATH"), "src") + string(os.PathSeparator)
}
func projectName() string {
return filepath.Base(ProjectPath())
}
func guessProjectPath() {
// if no path is provided... assume CWD.
if inputPath == "" {
x, err := getWd()
if err != nil {
er(err)
}
// inspect CWD
base := filepath.Base(x)
// if we are in the cmd directory.. back up
for _, c := range cmdDirs {
if base == c {
projectPath = filepath.Dir(x)
return
}
}
if projectPath == "" {
projectPath = filepath.Clean(x)
return
}
}
srcPath := getSrcPath()
// if provided, inspect for logical locations
if strings.ContainsRune(inputPath, os.PathSeparator) {
if filepath.IsAbs(inputPath) || filepath.HasPrefix(inputPath, string(os.PathSeparator)) {
// if Absolute, use it
projectPath = filepath.Clean(inputPath)
return
}
// If not absolute but contains slashes,
// assuming it means create it from $GOPATH
count := strings.Count(inputPath, string(os.PathSeparator))
switch count {
// If only one directory deep, assume "github.com"
case 1:
projectPath = filepath.Join(srcPath, "github.com", inputPath)
return
case 2:
projectPath = filepath.Join(srcPath, inputPath)
return
default:
er("Unknown directory")
}
} else {
// hardest case.. just a word.
if projectBase == "" {
x, err := getWd()
if err == nil {
projectPath = filepath.Join(x, inputPath)
return
}
er(err)
} else {
projectPath = filepath.Join(srcPath, projectBase, inputPath)
return
}
}
}
// isEmpty checks if a given path is empty.
func isEmpty(path string) (bool, error) {
if b, _ := exists(path); !b {
return false, fmt.Errorf("%q path does not exist", path)
}
fi, err := os.Stat(path)
if err != nil {
return false, err
}
if fi.IsDir() {
f, err := os.Open(path)
// FIX: Resource leak - f.close() should be called here by defer or is missed
// if the err != nil branch is taken.
defer f.Close()
if err != nil {
return false, err
}
list, err := f.Readdir(-1)
// f.Close() - see bug fix above
return len(list) == 0, nil
}
return fi.Size() == 0, nil
}
// isDir checks if a given path is a directory.
func isDir(path string) (bool, error) {
fi, err := os.Stat(path)
if err != nil {
return false, err
}
return fi.IsDir(), nil
}
// dirExists checks if a path exists and is a directory.
func dirExists(path string) (bool, error) {
fi, err := os.Stat(path)
if err == nil && fi.IsDir() {
return true, nil
}
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
func writeTemplateToFile(path string, file string, template string, data interface{}) error {
filename := filepath.Join(path, file)
r, err := templateToReader(template, data)
if err != nil {
return err
}
err = safeWriteToDisk(filename, r)
if err != nil {
return err
}
return nil
}
func writeStringToFile(path, file, text string) error {
filename := filepath.Join(path, file)
r := strings.NewReader(text)
err := safeWriteToDisk(filename, r)
if err != nil {
return err
}
return nil
}
func templateToReader(tpl string, data interface{}) (io.Reader, error) {
tmpl := template.New("")
tmpl.Funcs(funcMap)
tmpl, err := tmpl.Parse(tpl)
if err != nil {
return nil, err
}
buf := new(bytes.Buffer)
err = tmpl.Execute(buf, data)
return buf, err
}
// Same as WriteToDisk but checks to see if file/directory already exists.
func safeWriteToDisk(inpath string, r io.Reader) (err error) {
dir, _ := filepath.Split(inpath)
ospath := filepath.FromSlash(dir)
if ospath != "" {
err = os.MkdirAll(ospath, 0777) // rwx, rw, r
if err != nil {
return
}
}
ex, err := exists(inpath)
if err != nil {
return
}
if ex {
return fmt.Errorf("%v already exists", inpath)
}
file, err := os.Create(inpath)
if err != nil {
return
}
defer file.Close()
_, err = io.Copy(file, r)
return
}
func getLicense() License {
l := whichLicense()
if l != "" {
if x, ok := Licenses[l]; ok {
return x
}
}
return Licenses["apache"]
}
func whichLicense() string {
// if explicitly flagged, use that
if userLicense != "" {
return matchLicense(userLicense)
}
// if already present in the project, use that
// TODO: Inspect project for existing license
// default to viper's setting
return matchLicense(viper.GetString("license"))
}
func copyrightLine() string {
author := viper.GetString("author")
year := time.Now().Format("2006")
return "Copyright © " + year + " " + author
}
func commentifyString(in string) string {
var newlines []string
lines := strings.Split(in, "\n")
for _, x := range lines {
if !strings.HasPrefix(x, "//") {
if x != "" {
newlines = append(newlines, "// "+x)
} else {
newlines = append(newlines, "//")
}
} else {
newlines = append(newlines, x)
}
}
return strings.Join(newlines, "\n")
}

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vendor/github.com/spf13/cobra/cobra/cmd/helpers_test.go generated vendored Normal file
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package cmd
import (
"fmt"
"os"
"path/filepath"
"testing"
)
var _ = fmt.Println
var _ = os.Stderr
func checkGuess(t *testing.T, wd, input, expected string) {
testWd = wd
inputPath = input
guessProjectPath()
if projectPath != expected {
t.Errorf("Unexpected Project Path. \n Got: %q\nExpected: %q\n", projectPath, expected)
}
reset()
}
func reset() {
testWd = ""
inputPath = ""
projectPath = ""
}
func TestProjectPath(t *testing.T) {
checkGuess(t, "", filepath.Join("github.com", "spf13", "hugo"), filepath.Join(getSrcPath(), "github.com", "spf13", "hugo"))
checkGuess(t, "", filepath.Join("spf13", "hugo"), filepath.Join(getSrcPath(), "github.com", "spf13", "hugo"))
checkGuess(t, "", filepath.Join("/", "bar", "foo"), filepath.Join("/", "bar", "foo"))
checkGuess(t, "/bar/foo", "baz", filepath.Join("/", "bar", "foo", "baz"))
checkGuess(t, "/bar/foo/cmd", "", filepath.Join("/", "bar", "foo"))
checkGuess(t, "/bar/foo/command", "", filepath.Join("/", "bar", "foo"))
checkGuess(t, "/bar/foo/commands", "", filepath.Join("/", "bar", "foo"))
checkGuess(t, "github.com/spf13/hugo/../hugo", "", filepath.Join("github.com", "spf13", "hugo"))
}

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// Copyright © 2015 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"fmt"
"os"
"strings"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
func init() {
RootCmd.AddCommand(initCmd)
}
// initialize Command
var initCmd = &cobra.Command{
Use: "init [name]",
Aliases: []string{"initialize", "initialise", "create"},
Short: "Initialize a Cobra Application",
Long: `Initialize (cobra init) will create a new application, with a license
and the appropriate structure for a Cobra-based CLI application.
* If a name is provided, it will be created in the current directory;
* If no name is provided, the current directory will be assumed;
* If a relative path is provided, it will be created inside $GOPATH
(e.g. github.com/spf13/hugo);
* If an absolute path is provided, it will be created;
* If the directory already exists but is empty, it will be used.
Init will not use an existing directory with contents.`,
Run: func(cmd *cobra.Command, args []string) {
switch len(args) {
case 0:
inputPath = ""
case 1:
inputPath = args[0]
default:
er("init doesn't support more than 1 parameter")
}
guessProjectPath()
initializePath(projectPath)
},
}
func initializePath(path string) {
b, err := exists(path)
if err != nil {
er(err)
}
if !b { // If path doesn't yet exist, create it
err := os.MkdirAll(path, os.ModePerm)
if err != nil {
er(err)
}
} else { // If path exists and is not empty don't use it
empty, err := exists(path)
if err != nil {
er(err)
}
if !empty {
er("Cobra will not create a new project in a non empty directory")
}
}
// We have a directory and it's empty.. Time to initialize it.
createLicenseFile()
createMainFile()
createRootCmdFile()
}
func createLicenseFile() {
lic := getLicense()
template := lic.Text
var data map[string]interface{}
data = make(map[string]interface{})
// Try to remove the email address, if any
data["copyright"] = strings.Split(copyrightLine(), " <")[0]
err := writeTemplateToFile(ProjectPath(), "LICENSE", template, data)
_ = err
// if err != nil {
// er(err)
// }
}
func createMainFile() {
lic := getLicense()
template := `{{ comment .copyright }}
{{ comment .license }}
package main
import "{{ .importpath }}"
func main() {
cmd.Execute()
}
`
var data map[string]interface{}
data = make(map[string]interface{})
data["copyright"] = copyrightLine()
data["license"] = lic.Header
data["importpath"] = guessImportPath() + "/" + guessCmdDir()
err := writeTemplateToFile(ProjectPath(), "main.go", template, data)
_ = err
// if err != nil {
// er(err)
// }
}
func createRootCmdFile() {
lic := getLicense()
template := `{{ comment .copyright }}
{{ comment .license }}
package cmd
import (
"fmt"
"os"
"github.com/spf13/cobra"
{{ if .viper }} "github.com/spf13/viper"
{{ end }})
{{if .viper}}
var cfgFile string
{{ end }}
// This represents the base command when called without any subcommands
var RootCmd = &cobra.Command{
Use: "{{ .appName }}",
Short: "A brief description of your application",
Long: ` + "`" + `A longer description that spans multiple lines and likely contains
examples and usage of using your application. For example:
Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.` + "`" + `,
// Uncomment the following line if your bare application
// has an action associated with it:
// Run: func(cmd *cobra.Command, args []string) { },
}
// Execute adds all child commands to the root command sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
if err := RootCmd.Execute(); err != nil {
fmt.Println(err)
os.Exit(-1)
}
}
func init() {
{{ if .viper }} cobra.OnInitialize(initConfig)
{{ end }} // Here you will define your flags and configuration settings.
// Cobra supports Persistent Flags, which, if defined here,
// will be global for your application.
{{ if .viper }}
RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.{{ .appName }}.yaml)")
{{ else }}
// RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.{{ .appName }}.yaml)")
{{ end }} // Cobra also supports local flags, which will only run
// when this action is called directly.
RootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}
{{ if .viper }}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
if cfgFile != "" { // enable ability to specify config file via flag
viper.SetConfigFile(cfgFile)
}
viper.SetConfigName(".{{ .appName }}") // name of config file (without extension)
viper.AddConfigPath("$HOME") // adding home directory as first search path
viper.AutomaticEnv() // read in environment variables that match
// If a config file is found, read it in.
if err := viper.ReadInConfig(); err == nil {
fmt.Println("Using config file:", viper.ConfigFileUsed())
}
}
{{ end }}`
var data map[string]interface{}
data = make(map[string]interface{})
data["copyright"] = copyrightLine()
data["license"] = lic.Header
data["appName"] = projectName()
data["viper"] = viper.GetBool("useViper")
err := writeTemplateToFile(ProjectPath()+string(os.PathSeparator)+guessCmdDir(), "root.go", template, data)
if err != nil {
er(err)
}
fmt.Println("Your Cobra application is ready at")
fmt.Println(ProjectPath())
fmt.Println("Give it a try by going there and running `go run main.go`")
fmt.Println("Add commands to it by running `cobra add [cmdname]`")
}

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// Copyright © 2015 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"fmt"
"os"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var cfgFile string
var userLicense string
// This represents the base command when called without any subcommands
var RootCmd = &cobra.Command{
Use: "cobra",
Short: "A generator for Cobra based Applications",
Long: `Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.`,
}
//Execute adds all child commands to the root command sets flags appropriately.
func Execute() {
if err := RootCmd.Execute(); err != nil {
fmt.Println(err)
os.Exit(-1)
}
}
func init() {
cobra.OnInitialize(initConfig)
RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.cobra.yaml)")
RootCmd.PersistentFlags().StringVarP(&projectBase, "projectbase", "b", "", "base project directory, e.g. github.com/spf13/")
RootCmd.PersistentFlags().StringP("author", "a", "YOUR NAME", "Author name for copyright attribution")
RootCmd.PersistentFlags().StringVarP(&userLicense, "license", "l", "", "Name of license for the project (can provide `licensetext` in config)")
RootCmd.PersistentFlags().Bool("viper", true, "Use Viper for configuration")
viper.BindPFlag("author", RootCmd.PersistentFlags().Lookup("author"))
viper.BindPFlag("projectbase", RootCmd.PersistentFlags().Lookup("projectbase"))
viper.BindPFlag("useViper", RootCmd.PersistentFlags().Lookup("viper"))
viper.SetDefault("author", "NAME HERE <EMAIL ADDRESS>")
viper.SetDefault("license", "apache")
viper.SetDefault("licenseText", `
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
`)
}
// Read in config file and ENV variables if set.
func initConfig() {
if cfgFile != "" { // enable ability to specify config file via flag
viper.SetConfigFile(cfgFile)
}
viper.SetConfigName(".cobra") // name of config file (without extension)
viper.AddConfigPath("$HOME") // adding home directory as first search path
viper.AutomaticEnv() // read in environment variables that match
// If a config file is found, read it in.
if err := viper.ReadInConfig(); err == nil {
fmt.Println("Using config file:", viper.ConfigFileUsed())
}
}

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// Copyright © 2015 Steve Francia <spf@spf13.com>.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import "github.com/spf13/cobra/cobra/cmd"
func main() {
cmd.Execute()
}

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vendor/github.com/spf13/cobra/command_notwin.go generated vendored Normal file
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// +build !windows
package cobra
var preExecHookFn func(*Command) = nil

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vendor/github.com/spf13/cobra/command_test.go generated vendored Normal file
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package cobra
import (
"reflect"
"testing"
)
// test to ensure hidden commands run as intended
func TestHiddenCommandExecutes(t *testing.T) {
// ensure that outs does not already equal what the command will be setting it
// to, if it did this test would not actually be testing anything...
if outs == "hidden" {
t.Errorf("outs should NOT EQUAL hidden")
}
cmdHidden.Execute()
// upon running the command, the value of outs should now be 'hidden'
if outs != "hidden" {
t.Errorf("Hidden command failed to run!")
}
}
// test to ensure hidden commands do not show up in usage/help text
func TestHiddenCommandIsHidden(t *testing.T) {
if cmdHidden.IsAvailableCommand() {
t.Errorf("Hidden command found!")
}
}
func TestStripFlags(t *testing.T) {
tests := []struct {
input []string
output []string
}{
{
[]string{"foo", "bar"},
[]string{"foo", "bar"},
},
{
[]string{"foo", "--bar", "-b"},
[]string{"foo"},
},
{
[]string{"-b", "foo", "--bar", "bar"},
[]string{},
},
{
[]string{"-i10", "echo"},
[]string{"echo"},
},
{
[]string{"-i=10", "echo"},
[]string{"echo"},
},
{
[]string{"--int=100", "echo"},
[]string{"echo"},
},
{
[]string{"-ib", "echo", "-bfoo", "baz"},
[]string{"echo", "baz"},
},
{
[]string{"-i=baz", "bar", "-i", "foo", "blah"},
[]string{"bar", "blah"},
},
{
[]string{"--int=baz", "-bbar", "-i", "foo", "blah"},
[]string{"blah"},
},
{
[]string{"--cat", "bar", "-i", "foo", "blah"},
[]string{"bar", "blah"},
},
{
[]string{"-c", "bar", "-i", "foo", "blah"},
[]string{"bar", "blah"},
},
{
[]string{"--persist", "bar"},
[]string{"bar"},
},
{
[]string{"-p", "bar"},
[]string{"bar"},
},
}
cmdPrint := &Command{
Use: "print [string to print]",
Short: "Print anything to the screen",
Long: `an utterly useless command for testing.`,
Run: func(cmd *Command, args []string) {
tp = args
},
}
var flagi int
var flagstr string
var flagbool bool
cmdPrint.PersistentFlags().BoolVarP(&flagbool, "persist", "p", false, "help for persistent one")
cmdPrint.Flags().IntVarP(&flagi, "int", "i", 345, "help message for flag int")
cmdPrint.Flags().StringVarP(&flagstr, "bar", "b", "bar", "help message for flag string")
cmdPrint.Flags().BoolVarP(&flagbool, "cat", "c", false, "help message for flag bool")
for _, test := range tests {
output := stripFlags(test.input, cmdPrint)
if !reflect.DeepEqual(test.output, output) {
t.Errorf("expected: %v, got: %v", test.output, output)
}
}
}

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vendor/github.com/spf13/cobra/command_win.go generated vendored Normal file
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// +build windows
package cobra
import (
"os"
"time"
"github.com/inconshreveable/mousetrap"
)
var preExecHookFn = preExecHook
// enables an information splash screen on Windows if the CLI is started from explorer.exe.
var MousetrapHelpText string = `This is a command line tool
You need to open cmd.exe and run it from there.
`
func preExecHook(c *Command) {
if mousetrap.StartedByExplorer() {
c.Print(MousetrapHelpText)
time.Sleep(5 * time.Second)
os.Exit(1)
}
}

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package doc
import (
"bytes"
"fmt"
"runtime"
"strings"
"testing"
"github.com/spf13/cobra"
)
var flagb1, flagb2, flagb3, flagbr, flagbp bool
var flags1, flags2a, flags2b, flags3 string
var flagi1, flagi2, flagi3, flagir int
const strtwoParentHelp = "help message for parent flag strtwo"
const strtwoChildHelp = "help message for child flag strtwo"
var cmdEcho = &cobra.Command{
Use: "echo [string to echo]",
Aliases: []string{"say"},
Short: "Echo anything to the screen",
Long: `an utterly useless command for testing.`,
Example: "Just run cobra-test echo",
}
var cmdEchoSub = &cobra.Command{
Use: "echosub [string to print]",
Short: "second sub command for echo",
Long: `an absolutely utterly useless command for testing gendocs!.`,
Run: func(cmd *cobra.Command, args []string) {},
}
var cmdDeprecated = &cobra.Command{
Use: "deprecated [can't do anything here]",
Short: "A command which is deprecated",
Long: `an absolutely utterly useless command for testing deprecation!.`,
Deprecated: "Please use echo instead",
}
var cmdTimes = &cobra.Command{
Use: "times [# times] [string to echo]",
SuggestFor: []string{"counts"},
Short: "Echo anything to the screen more times",
Long: `a slightly useless command for testing.`,
PersistentPreRun: func(cmd *cobra.Command, args []string) {},
Run: func(cmd *cobra.Command, args []string) {},
}
var cmdPrint = &cobra.Command{
Use: "print [string to print]",
Short: "Print anything to the screen",
Long: `an absolutely utterly useless command for testing.`,
}
var cmdRootNoRun = &cobra.Command{
Use: "cobra-test",
Short: "The root can run its own function",
Long: "The root description for help",
}
var cmdRootSameName = &cobra.Command{
Use: "print",
Short: "Root with the same name as a subcommand",
Long: "The root description for help",
}
var cmdRootWithRun = &cobra.Command{
Use: "cobra-test",
Short: "The root can run its own function",
Long: "The root description for help",
}
var cmdSubNoRun = &cobra.Command{
Use: "subnorun",
Short: "A subcommand without a Run function",
Long: "A long output about a subcommand without a Run function",
}
var cmdVersion1 = &cobra.Command{
Use: "version",
Short: "Print the version number",
Long: `First version of the version command`,
}
var cmdVersion2 = &cobra.Command{
Use: "version",
Short: "Print the version number",
Long: `Second version of the version command`,
}
func flagInit() {
cmdEcho.ResetFlags()
cmdPrint.ResetFlags()
cmdTimes.ResetFlags()
cmdRootNoRun.ResetFlags()
cmdRootSameName.ResetFlags()
cmdRootWithRun.ResetFlags()
cmdSubNoRun.ResetFlags()
cmdRootNoRun.PersistentFlags().StringVarP(&flags2a, "strtwo", "t", "two", strtwoParentHelp)
cmdEcho.Flags().IntVarP(&flagi1, "intone", "i", 123, "help message for flag intone")
cmdTimes.Flags().IntVarP(&flagi2, "inttwo", "j", 234, "help message for flag inttwo")
cmdPrint.Flags().IntVarP(&flagi3, "intthree", "i", 345, "help message for flag intthree")
cmdEcho.PersistentFlags().StringVarP(&flags1, "strone", "s", "one", "help message for flag strone")
cmdEcho.PersistentFlags().BoolVarP(&flagbp, "persistentbool", "p", false, "help message for flag persistentbool")
cmdTimes.PersistentFlags().StringVarP(&flags2b, "strtwo", "t", "2", strtwoChildHelp)
cmdPrint.PersistentFlags().StringVarP(&flags3, "strthree", "s", "three", "help message for flag strthree")
cmdEcho.Flags().BoolVarP(&flagb1, "boolone", "b", true, "help message for flag boolone")
cmdTimes.Flags().BoolVarP(&flagb2, "booltwo", "c", false, "help message for flag booltwo")
cmdPrint.Flags().BoolVarP(&flagb3, "boolthree", "b", true, "help message for flag boolthree")
cmdVersion1.ResetFlags()
cmdVersion2.ResetFlags()
}
func initializeWithRootCmd() *cobra.Command {
cmdRootWithRun.ResetCommands()
flagInit()
cmdRootWithRun.Flags().BoolVarP(&flagbr, "boolroot", "b", false, "help message for flag boolroot")
cmdRootWithRun.Flags().IntVarP(&flagir, "introot", "i", 321, "help message for flag introot")
return cmdRootWithRun
}
func checkStringContains(t *testing.T, found, expected string) {
if !strings.Contains(found, expected) {
logErr(t, found, expected)
}
}
func checkStringOmits(t *testing.T, found, expected string) {
if strings.Contains(found, expected) {
logErr(t, found, expected)
}
}
func logErr(t *testing.T, found, expected string) {
out := new(bytes.Buffer)
_, _, line, ok := runtime.Caller(2)
if ok {
fmt.Fprintf(out, "Line: %d ", line)
}
fmt.Fprintf(out, "Unexpected response.\nExpecting to contain: \n %q\nGot:\n %q\n", expected, found)
t.Errorf(out.String())
}

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// Copyright 2015 Red Hat Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package doc
import (
"bytes"
"fmt"
"io"
"os"
"path/filepath"
"sort"
"strings"
"time"
mangen "github.com/cpuguy83/go-md2man/md2man"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
// GenManTree will generate a man page for this command and all decendants
// in the directory given. The header may be nil. This function may not work
// correctly if your command names have - in them. If you have `cmd` with two
// subcmds, `sub` and `sub-third`. And `sub` has a subcommand called `third`
// it is undefined which help output will be in the file `cmd-sub-third.1`.
func GenManTree(cmd *cobra.Command, header *GenManHeader, dir string) error {
if header == nil {
header = &GenManHeader{}
}
for _, c := range cmd.Commands() {
if !c.IsAvailableCommand() || c.IsHelpCommand() {
continue
}
if err := GenManTree(c, header, dir); err != nil {
return err
}
}
needToResetTitle := header.Title == ""
basename := strings.Replace(cmd.CommandPath(), " ", "_", -1) + ".1"
filename := filepath.Join(dir, basename)
f, err := os.Create(filename)
if err != nil {
return err
}
defer f.Close()
if err := GenMan(cmd, header, f); err != nil {
return err
}
if needToResetTitle {
header.Title = ""
}
return nil
}
// GenManHeader is a lot like the .TH header at the start of man pages. These
// include the title, section, date, source, and manual. We will use the
// current time if Date if unset and will use "Auto generated by spf13/cobra"
// if the Source is unset.
type GenManHeader struct {
Title string
Section string
Date *time.Time
date string
Source string
Manual string
}
// GenMan will generate a man page for the given command and write it to
// w. The header argument may be nil, however obviously w may not.
func GenMan(cmd *cobra.Command, header *GenManHeader, w io.Writer) error {
if header == nil {
header = &GenManHeader{}
}
b := genMan(cmd, header)
final := mangen.Render(b)
_, err := w.Write(final)
return err
}
func fillHeader(header *GenManHeader, name string) {
if header.Title == "" {
header.Title = strings.ToUpper(strings.Replace(name, " ", "\\-", -1))
}
if header.Section == "" {
header.Section = "1"
}
if header.Date == nil {
now := time.Now()
header.Date = &now
}
header.date = (*header.Date).Format("Jan 2006")
if header.Source == "" {
header.Source = "Auto generated by spf13/cobra"
}
}
func manPreamble(out io.Writer, header *GenManHeader, name, short, long string) {
dashName := strings.Replace(name, " ", "-", -1)
fmt.Fprintf(out, `%% %s(%s)%s
%% %s
%% %s
# NAME
`, header.Title, header.Section, header.date, header.Source, header.Manual)
fmt.Fprintf(out, "%s \\- %s\n\n", dashName, short)
fmt.Fprintf(out, "# SYNOPSIS\n")
fmt.Fprintf(out, "**%s** [OPTIONS]\n\n", name)
fmt.Fprintf(out, "# DESCRIPTION\n")
fmt.Fprintf(out, "%s\n\n", long)
}
func manPrintFlags(out io.Writer, flags *pflag.FlagSet) {
flags.VisitAll(func(flag *pflag.Flag) {
if len(flag.Deprecated) > 0 || flag.Hidden {
return
}
format := ""
if len(flag.Shorthand) > 0 {
format = "**-%s**, **--%s**"
} else {
format = "%s**--%s**"
}
if len(flag.NoOptDefVal) > 0 {
format = format + "["
}
if flag.Value.Type() == "string" {
// put quotes on the value
format = format + "=%q"
} else {
format = format + "=%s"
}
if len(flag.NoOptDefVal) > 0 {
format = format + "]"
}
format = format + "\n\t%s\n\n"
fmt.Fprintf(out, format, flag.Shorthand, flag.Name, flag.DefValue, flag.Usage)
})
}
func manPrintOptions(out io.Writer, command *cobra.Command) {
flags := command.NonInheritedFlags()
if flags.HasFlags() {
fmt.Fprintf(out, "# OPTIONS\n")
manPrintFlags(out, flags)
fmt.Fprintf(out, "\n")
}
flags = command.InheritedFlags()
if flags.HasFlags() {
fmt.Fprintf(out, "# OPTIONS INHERITED FROM PARENT COMMANDS\n")
manPrintFlags(out, flags)
fmt.Fprintf(out, "\n")
}
}
func genMan(cmd *cobra.Command, header *GenManHeader) []byte {
// something like `rootcmd subcmd1 subcmd2`
commandName := cmd.CommandPath()
// something like `rootcmd-subcmd1-subcmd2`
dashCommandName := strings.Replace(commandName, " ", "-", -1)
fillHeader(header, commandName)
buf := new(bytes.Buffer)
short := cmd.Short
long := cmd.Long
if len(long) == 0 {
long = short
}
manPreamble(buf, header, commandName, short, long)
manPrintOptions(buf, cmd)
if len(cmd.Example) > 0 {
fmt.Fprintf(buf, "# EXAMPLE\n")
fmt.Fprintf(buf, "```\n%s\n```\n", cmd.Example)
}
if hasSeeAlso(cmd) {
fmt.Fprintf(buf, "# SEE ALSO\n")
if cmd.HasParent() {
parentPath := cmd.Parent().CommandPath()
dashParentPath := strings.Replace(parentPath, " ", "-", -1)
fmt.Fprintf(buf, "**%s(%s)**", dashParentPath, header.Section)
cmd.VisitParents(func(c *cobra.Command) {
if c.DisableAutoGenTag {
cmd.DisableAutoGenTag = c.DisableAutoGenTag
}
})
}
children := cmd.Commands()
sort.Sort(byName(children))
for i, c := range children {
if !c.IsAvailableCommand() || c.IsHelpCommand() {
continue
}
if cmd.HasParent() || i > 0 {
fmt.Fprintf(buf, ", ")
}
fmt.Fprintf(buf, "**%s-%s(%s)**", dashCommandName, c.Name(), header.Section)
}
fmt.Fprintf(buf, "\n")
}
if !cmd.DisableAutoGenTag {
fmt.Fprintf(buf, "# HISTORY\n%s Auto generated by spf13/cobra\n", header.Date.Format("2-Jan-2006"))
}
return buf.Bytes()
}

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# Generating Man Pages For Your Own cobra.Command
Generating man pages from a cobra command is incredibly easy. An example is as follows:
```go
package main
import (
"github.com/spf13/cobra"
"github.com/spf13/cobra/doc"
)
func main() {
cmd := &cobra.Command{
Use: "test",
Short: "my test program",
}
header := &cobra.GenManHeader{
Title: "MINE",
Section: "3",
}
doc.GenManTree(cmd, header, "/tmp")
}
```
That will get you a man page `/tmp/test.1`

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package doc
import (
"bytes"
"fmt"
"os"
"strings"
"testing"
)
var _ = fmt.Println
var _ = os.Stderr
func translate(in string) string {
return strings.Replace(in, "-", "\\-", -1)
}
func TestGenManDoc(t *testing.T) {
c := initializeWithRootCmd()
// Need two commands to run the command alphabetical sort
cmdEcho.AddCommand(cmdTimes, cmdEchoSub, cmdDeprecated)
c.AddCommand(cmdPrint, cmdEcho)
cmdRootWithRun.PersistentFlags().StringVarP(&flags2a, "rootflag", "r", "two", strtwoParentHelp)
out := new(bytes.Buffer)
header := &GenManHeader{
Title: "Project",
Section: "2",
}
// We generate on a subcommand so we have both subcommands and parents
if err := GenMan(cmdEcho, header, out); err != nil {
t.Fatal(err)
}
found := out.String()
// Make sure parent has - in CommandPath() in SEE ALSO:
parentPath := cmdEcho.Parent().CommandPath()
dashParentPath := strings.Replace(parentPath, " ", "-", -1)
expected := translate(dashParentPath)
expected = expected + "(" + header.Section + ")"
checkStringContains(t, found, expected)
// Our description
expected = translate(cmdEcho.Name())
checkStringContains(t, found, expected)
// Better have our example
expected = translate(cmdEcho.Name())
checkStringContains(t, found, expected)
// A local flag
expected = "boolone"
checkStringContains(t, found, expected)
// persistent flag on parent
expected = "rootflag"
checkStringContains(t, found, expected)
// We better output info about our parent
expected = translate(cmdRootWithRun.Name())
checkStringContains(t, found, expected)
// And about subcommands
expected = translate(cmdEchoSub.Name())
checkStringContains(t, found, expected)
unexpected := translate(cmdDeprecated.Name())
checkStringOmits(t, found, unexpected)
// auto generated
expected = translate("Auto generated")
checkStringContains(t, found, expected)
}
func TestGenManNoGenTag(t *testing.T) {
c := initializeWithRootCmd()
// Need two commands to run the command alphabetical sort
cmdEcho.AddCommand(cmdTimes, cmdEchoSub, cmdDeprecated)
c.AddCommand(cmdPrint, cmdEcho)
cmdRootWithRun.PersistentFlags().StringVarP(&flags2a, "rootflag", "r", "two", strtwoParentHelp)
cmdEcho.DisableAutoGenTag = true
out := new(bytes.Buffer)
header := &GenManHeader{
Title: "Project",
Section: "2",
}
// We generate on a subcommand so we have both subcommands and parents
if err := GenMan(cmdEcho, header, out); err != nil {
t.Fatal(err)
}
found := out.String()
unexpected := translate("#HISTORY")
checkStringOmits(t, found, unexpected)
}

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package doc_test
import (
"bytes"
"fmt"
"github.com/spf13/cobra"
"github.com/spf13/cobra/doc"
)
func ExampleCommand_GenManTree() {
cmd := &cobra.Command{
Use: "test",
Short: "my test program",
}
header := &doc.GenManHeader{
Title: "MINE",
Section: "3",
}
doc.GenManTree(cmd, header, "/tmp")
}
func ExampleCommand_GenMan() {
cmd := &cobra.Command{
Use: "test",
Short: "my test program",
}
header := &doc.GenManHeader{
Title: "MINE",
Section: "3",
}
out := new(bytes.Buffer)
doc.GenMan(cmd, header, out)
fmt.Print(out.String())
}

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//Copyright 2015 Red Hat Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package doc
import (
"fmt"
"io"
"os"
"path/filepath"
"sort"
"strings"
"time"
"github.com/spf13/cobra"
)
func printOptions(w io.Writer, cmd *cobra.Command, name string) error {
flags := cmd.NonInheritedFlags()
flags.SetOutput(w)
if flags.HasFlags() {
if _, err := fmt.Fprintf(w, "### Options\n\n```\n"); err != nil {
return err
}
flags.PrintDefaults()
if _, err := fmt.Fprintf(w, "```\n\n"); err != nil {
return err
}
}
parentFlags := cmd.InheritedFlags()
parentFlags.SetOutput(w)
if parentFlags.HasFlags() {
if _, err := fmt.Fprintf(w, "### Options inherited from parent commands\n\n```\n"); err != nil {
return err
}
parentFlags.PrintDefaults()
if _, err := fmt.Fprintf(w, "```\n\n"); err != nil {
return err
}
}
return nil
}
func GenMarkdown(cmd *cobra.Command, w io.Writer) error {
return GenMarkdownCustom(cmd, w, func(s string) string { return s })
}
func GenMarkdownCustom(cmd *cobra.Command, w io.Writer, linkHandler func(string) string) error {
name := cmd.CommandPath()
short := cmd.Short
long := cmd.Long
if len(long) == 0 {
long = short
}
if _, err := fmt.Fprintf(w, "## %s\n\n", name); err != nil {
return err
}
if _, err := fmt.Fprintf(w, "%s\n\n", short); err != nil {
return err
}
if _, err := fmt.Fprintf(w, "### Synopsis\n\n"); err != nil {
return err
}
if _, err := fmt.Fprintf(w, "\n%s\n\n", long); err != nil {
return err
}
if cmd.Runnable() {
if _, err := fmt.Fprintf(w, "```\n%s\n```\n\n", cmd.UseLine()); err != nil {
return err
}
}
if len(cmd.Example) > 0 {
if _, err := fmt.Fprintf(w, "### Examples\n\n"); err != nil {
return err
}
if _, err := fmt.Fprintf(w, "```\n%s\n```\n\n", cmd.Example); err != nil {
return err
}
}
if err := printOptions(w, cmd, name); err != nil {
return err
}
if hasSeeAlso(cmd) {
if _, err := fmt.Fprintf(w, "### SEE ALSO\n"); err != nil {
return err
}
if cmd.HasParent() {
parent := cmd.Parent()
pname := parent.CommandPath()
link := pname + ".md"
link = strings.Replace(link, " ", "_", -1)
if _, err := fmt.Fprintf(w, "* [%s](%s)\t - %s\n", pname, linkHandler(link), parent.Short); err != nil {
return err
}
cmd.VisitParents(func(c *cobra.Command) {
if c.DisableAutoGenTag {
cmd.DisableAutoGenTag = c.DisableAutoGenTag
}
})
}
children := cmd.Commands()
sort.Sort(byName(children))
for _, child := range children {
if !child.IsAvailableCommand() || child.IsHelpCommand() {
continue
}
cname := name + " " + child.Name()
link := cname + ".md"
link = strings.Replace(link, " ", "_", -1)
if _, err := fmt.Fprintf(w, "* [%s](%s)\t - %s\n", cname, linkHandler(link), child.Short); err != nil {
return err
}
}
if _, err := fmt.Fprintf(w, "\n"); err != nil {
return err
}
}
if !cmd.DisableAutoGenTag {
if _, err := fmt.Fprintf(w, "###### Auto generated by spf13/cobra on %s\n", time.Now().Format("2-Jan-2006")); err != nil {
return err
}
}
return nil
}
func GenMarkdownTree(cmd *cobra.Command, dir string) error {
identity := func(s string) string { return s }
emptyStr := func(s string) string { return "" }
return GenMarkdownTreeCustom(cmd, dir, emptyStr, identity)
}
func GenMarkdownTreeCustom(cmd *cobra.Command, dir string, filePrepender, linkHandler func(string) string) error {
for _, c := range cmd.Commands() {
if !c.IsAvailableCommand() || c.IsHelpCommand() {
continue
}
if err := GenMarkdownTreeCustom(c, dir, filePrepender, linkHandler); err != nil {
return err
}
}
basename := strings.Replace(cmd.CommandPath(), " ", "_", -1) + ".md"
filename := filepath.Join(dir, basename)
f, err := os.Create(filename)
if err != nil {
return err
}
defer f.Close()
if _, err := io.WriteString(f, filePrepender(filename)); err != nil {
return err
}
if err := GenMarkdownCustom(cmd, f, linkHandler); err != nil {
return err
}
return nil
}

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# Generating Markdown Docs For Your Own cobra.Command
Generating man pages from a cobra command is incredibly easy. An example is as follows:
```go
package main
import (
"github.com/spf13/cobra"
"github.com/spf13/cobra/doc"
)
func main() {
cmd := &cobra.Command{
Use: "test",
Short: "my test program",
}
doc.GenMarkdownTree(cmd, "/tmp")
}
```
That will get you a Markdown document `/tmp/test.md`
## Generate markdown docs for the entire command tree
This program can actually generate docs for the kubectl command in the kubernetes project
```go
package main
import (
"io/ioutil"
"os"
kubectlcmd "k8s.io/kubernetes/pkg/kubectl/cmd"
cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
"github.com/spf13/cobra/doc"
)
func main() {
cmd := kubectlcmd.NewKubectlCommand(cmdutil.NewFactory(nil), os.Stdin, ioutil.Discard, ioutil.Discard)
doc.GenMarkdownTree(cmd, "./")
}
```
This will generate a whole series of files, one for each command in the tree, in the directory specified (in this case "./")
## Generate markdown docs for a single command
You may wish to have more control over the output, or only generate for a single command, instead of the entire command tree. If this is the case you may prefer to `GenMarkdown` instead of `GenMarkdownTree`
```go
out := new(bytes.Buffer)
doc.GenMarkdown(cmd, out)
```
This will write the markdown doc for ONLY "cmd" into the out, buffer.
## Customize the output
Both `GenMarkdown` and `GenMarkdownTree` have alternate versions with callbacks to get some control of the output:
```go
func GenMarkdownTreeCustom(cmd *Command, dir string, filePrepender, linkHandler func(string) string) error {
//...
}
```
```go
func GenMarkdownCustom(cmd *Command, out *bytes.Buffer, linkHandler func(string) string) error {
//...
}
```
The `filePrepender` will prepend the return value given the full filepath to the rendered Markdown file. A common use case is to add front matter to use the generated documentation with [Hugo](http://gohugo.io/):
```go
const fmTemplate = `---
date: %s
title: "%s"
slug: %s
url: %s
---
`
filePrepender := func(filename string) string {
now := time.Now().Format(time.RFC3339)
name := filepath.Base(filename)
base := strings.TrimSuffix(name, path.Ext(name))
url := "/commands/" + strings.ToLower(base) + "/"
return fmt.Sprintf(fmTemplate, now, strings.Replace(base, "_", " ", -1), base, url)
}
```
The `linkHandler` can be used to customize the rendered internal links to the commands, given a filename:
```go
linkHandler := func(name string) string {
base := strings.TrimSuffix(name, path.Ext(name))
return "/commands/" + strings.ToLower(base) + "/"
}
```

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package doc
import (
"bytes"
"fmt"
"os"
"strings"
"testing"
)
var _ = fmt.Println
var _ = os.Stderr
func TestGenMdDoc(t *testing.T) {
c := initializeWithRootCmd()
// Need two commands to run the command alphabetical sort
cmdEcho.AddCommand(cmdTimes, cmdEchoSub, cmdDeprecated)
c.AddCommand(cmdPrint, cmdEcho)
cmdRootWithRun.PersistentFlags().StringVarP(&flags2a, "rootflag", "r", "two", strtwoParentHelp)
out := new(bytes.Buffer)
// We generate on s subcommand so we have both subcommands and parents
if err := GenMarkdown(cmdEcho, out); err != nil {
t.Fatal(err)
}
found := out.String()
// Our description
expected := cmdEcho.Long
if !strings.Contains(found, expected) {
t.Errorf("Unexpected response.\nExpecting to contain: \n %q\nGot:\n %q\n", expected, found)
}
// Better have our example
expected = cmdEcho.Example
if !strings.Contains(found, expected) {
t.Errorf("Unexpected response.\nExpecting to contain: \n %q\nGot:\n %q\n", expected, found)
}
// A local flag
expected = "boolone"
if !strings.Contains(found, expected) {
t.Errorf("Unexpected response.\nExpecting to contain: \n %q\nGot:\n %q\n", expected, found)
}
// persistent flag on parent
expected = "rootflag"
if !strings.Contains(found, expected) {
t.Errorf("Unexpected response.\nExpecting to contain: \n %q\nGot:\n %q\n", expected, found)
}
// We better output info about our parent
expected = cmdRootWithRun.Short
if !strings.Contains(found, expected) {
t.Errorf("Unexpected response.\nExpecting to contain: \n %q\nGot:\n %q\n", expected, found)
}
// And about subcommands
expected = cmdEchoSub.Short
if !strings.Contains(found, expected) {
t.Errorf("Unexpected response.\nExpecting to contain: \n %q\nGot:\n %q\n", expected, found)
}
unexpected := cmdDeprecated.Short
if strings.Contains(found, unexpected) {
t.Errorf("Unexpected response.\nFound: %v\nBut should not have!!\n", unexpected)
}
}
func TestGenMdNoTag(t *testing.T) {
c := initializeWithRootCmd()
// Need two commands to run the command alphabetical sort
cmdEcho.AddCommand(cmdTimes, cmdEchoSub, cmdDeprecated)
c.AddCommand(cmdPrint, cmdEcho)
c.DisableAutoGenTag = true
cmdRootWithRun.PersistentFlags().StringVarP(&flags2a, "rootflag", "r", "two", strtwoParentHelp)
out := new(bytes.Buffer)
if err := GenMarkdown(c, out); err != nil {
t.Fatal(err)
}
found := out.String()
unexpected := "Auto generated"
checkStringOmits(t, found, unexpected)
}

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vendor/github.com/spf13/cobra/doc/util.go generated vendored Normal file
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@ -0,0 +1,38 @@
// Copyright 2015 Red Hat Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package doc
import "github.com/spf13/cobra"
// Test to see if we have a reason to print See Also information in docs
// Basically this is a test for a parent commend or a subcommand which is
// both not deprecated and not the autogenerated help command.
func hasSeeAlso(cmd *cobra.Command) bool {
if cmd.HasParent() {
return true
}
for _, c := range cmd.Commands() {
if !c.IsAvailableCommand() || c.IsHelpCommand() {
continue
}
return true
}
return false
}
type byName []*cobra.Command
func (s byName) Len() int { return len(s) }
func (s byName) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s byName) Less(i, j int) bool { return s[i].Name() < s[j].Name() }