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Posted to commits@mynewt.apache.org by cc...@apache.org on 2017/04/06 02:27:53 UTC
[48/54] [partial] incubator-mynewt-newtmgr git commit: revendor
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newtmgr/blob/9975ef7a/newtmgr/vendor/github.com/spf13/cast/caste.go
----------------------------------------------------------------------
diff --git a/newtmgr/vendor/github.com/spf13/cast/caste.go b/newtmgr/vendor/github.com/spf13/cast/caste.go
deleted file mode 100644
index 10acc44..0000000
--- a/newtmgr/vendor/github.com/spf13/cast/caste.go
+++ /dev/null
@@ -1,538 +0,0 @@
-// Copyright � 2014 Steve Francia <sp...@spf13.com>.
-//
-// Use of this source code is governed by an MIT-style
-// license that can be found in the LICENSE file.
-
-package cast
-
-import (
- "fmt"
- "html/template"
- "reflect"
- "strconv"
- "strings"
- "time"
-)
-
-// ToTimeE casts an empty interface to time.Time.
-func ToTimeE(i interface{}) (tim time.Time, err error) {
- i = indirect(i)
-
- switch v := i.(type) {
- case time.Time:
- return v, nil
- case string:
- d, e := StringToDate(v)
- if e == nil {
- return d, nil
- }
- return time.Time{}, fmt.Errorf("Could not parse Date/Time format: %v\n", e)
- case int:
- return time.Unix(int64(v), 0), nil
- case int32:
- return time.Unix(int64(v), 0), nil
- case int64:
- return time.Unix(v, 0), nil
- default:
- return time.Time{}, fmt.Errorf("Unable to Cast %#v to Time\n", i)
- }
-}
-
-// ToDurationE casts an empty interface to time.Duration.
-func ToDurationE(i interface{}) (d time.Duration, err error) {
- i = indirect(i)
-
- switch s := i.(type) {
- case time.Duration:
- return s, nil
- case int64, int32, int16, int8, int:
- d = time.Duration(ToInt64(s))
- return
- case float32, float64:
- d = time.Duration(ToFloat64(s))
- return
- case string:
- if strings.ContainsAny(s, "nsu�mh") {
- d, err = time.ParseDuration(s)
- } else {
- d, err = time.ParseDuration(s + "ns")
- }
- return
- default:
- err = fmt.Errorf("Unable to Cast %#v to Duration\n", i)
- return
- }
-}
-
-// ToBoolE casts an empty interface to a bool.
-func ToBoolE(i interface{}) (bool, error) {
-
- i = indirect(i)
-
- switch b := i.(type) {
- case bool:
- return b, nil
- case nil:
- return false, nil
- case int:
- if i.(int) != 0 {
- return true, nil
- }
- return false, nil
- case string:
- return strconv.ParseBool(i.(string))
- default:
- return false, fmt.Errorf("Unable to Cast %#v to bool", i)
- }
-}
-
-// ToFloat64E casts an empty interface to a float64.
-func ToFloat64E(i interface{}) (float64, error) {
- i = indirect(i)
-
- switch s := i.(type) {
- case float64:
- return s, nil
- case float32:
- return float64(s), nil
- case int64:
- return float64(s), nil
- case int32:
- return float64(s), nil
- case int16:
- return float64(s), nil
- case int8:
- return float64(s), nil
- case int:
- return float64(s), nil
- case string:
- v, err := strconv.ParseFloat(s, 64)
- if err == nil {
- return float64(v), nil
- }
- return 0.0, fmt.Errorf("Unable to Cast %#v to float", i)
- default:
- return 0.0, fmt.Errorf("Unable to Cast %#v to float", i)
- }
-}
-
-// ToInt64E casts an empty interface to an int64.
-func ToInt64E(i interface{}) (int64, error) {
- i = indirect(i)
-
- switch s := i.(type) {
- case int64:
- return s, nil
- case int:
- return int64(s), nil
- case int32:
- return int64(s), nil
- case int16:
- return int64(s), nil
- case int8:
- return int64(s), nil
- case string:
- v, err := strconv.ParseInt(s, 0, 0)
- if err == nil {
- return v, nil
- }
- return 0, fmt.Errorf("Unable to Cast %#v to int64", i)
- case float64:
- return int64(s), nil
- case bool:
- if bool(s) {
- return int64(1), nil
- }
- return int64(0), nil
- case nil:
- return int64(0), nil
- default:
- return int64(0), fmt.Errorf("Unable to Cast %#v to int64", i)
- }
-}
-
-// ToIntE casts an empty interface to an int.
-func ToIntE(i interface{}) (int, error) {
- i = indirect(i)
-
- switch s := i.(type) {
- case int:
- return s, nil
- case int64:
- return int(s), nil
- case int32:
- return int(s), nil
- case int16:
- return int(s), nil
- case int8:
- return int(s), nil
- case string:
- v, err := strconv.ParseInt(s, 0, 0)
- if err == nil {
- return int(v), nil
- }
- return 0, fmt.Errorf("Unable to Cast %#v to int", i)
- case float64:
- return int(s), nil
- case bool:
- if bool(s) {
- return 1, nil
- }
- return 0, nil
- case nil:
- return 0, nil
- default:
- return 0, fmt.Errorf("Unable to Cast %#v to int", i)
- }
-}
-
-// From html/template/content.go
-// Copyright 2011 The Go Authors. All rights reserved.
-// indirect returns the value, after dereferencing as many times
-// as necessary to reach the base type (or nil).
-func indirect(a interface{}) interface{} {
- if a == nil {
- return nil
- }
- if t := reflect.TypeOf(a); t.Kind() != reflect.Ptr {
- // Avoid creating a reflect.Value if it's not a pointer.
- return a
- }
- v := reflect.ValueOf(a)
- for v.Kind() == reflect.Ptr && !v.IsNil() {
- v = v.Elem()
- }
- return v.Interface()
-}
-
-// From html/template/content.go
-// Copyright 2011 The Go Authors. All rights reserved.
-// indirectToStringerOrError returns the value, after dereferencing as many times
-// as necessary to reach the base type (or nil) or an implementation of fmt.Stringer
-// or error,
-func indirectToStringerOrError(a interface{}) interface{} {
- if a == nil {
- return nil
- }
-
- var errorType = reflect.TypeOf((*error)(nil)).Elem()
- var fmtStringerType = reflect.TypeOf((*fmt.Stringer)(nil)).Elem()
-
- v := reflect.ValueOf(a)
- for !v.Type().Implements(fmtStringerType) && !v.Type().Implements(errorType) && v.Kind() == reflect.Ptr && !v.IsNil() {
- v = v.Elem()
- }
- return v.Interface()
-}
-
-// ToStringE casts an empty interface to a string.
-func ToStringE(i interface{}) (string, error) {
- i = indirectToStringerOrError(i)
-
- switch s := i.(type) {
- case string:
- return s, nil
- case bool:
- return strconv.FormatBool(s), nil
- case float64:
- return strconv.FormatFloat(i.(float64), 'f', -1, 64), nil
- case int64:
- return strconv.FormatInt(i.(int64), 10), nil
- case int:
- return strconv.FormatInt(int64(i.(int)), 10), nil
- case []byte:
- return string(s), nil
- case template.HTML:
- return string(s), nil
- case template.URL:
- return string(s), nil
- case template.JS:
- return string(s), nil
- case template.CSS:
- return string(s), nil
- case template.HTMLAttr:
- return string(s), nil
- case nil:
- return "", nil
- case fmt.Stringer:
- return s.String(), nil
- case error:
- return s.Error(), nil
- default:
- return "", fmt.Errorf("Unable to Cast %#v to string", i)
- }
-}
-
-// ToStringMapStringE casts an empty interface to a map[string]string.
-func ToStringMapStringE(i interface{}) (map[string]string, error) {
-
- var m = map[string]string{}
-
- switch v := i.(type) {
- case map[string]string:
- return v, nil
- case map[string]interface{}:
- for k, val := range v {
- m[ToString(k)] = ToString(val)
- }
- return m, nil
- case map[interface{}]string:
- for k, val := range v {
- m[ToString(k)] = ToString(val)
- }
- return m, nil
- case map[interface{}]interface{}:
- for k, val := range v {
- m[ToString(k)] = ToString(val)
- }
- return m, nil
- default:
- return m, fmt.Errorf("Unable to Cast %#v to map[string]string", i)
- }
-}
-
-// ToStringMapStringSliceE casts an empty interface to a map[string][]string.
-func ToStringMapStringSliceE(i interface{}) (map[string][]string, error) {
-
- var m = map[string][]string{}
-
- switch v := i.(type) {
- case map[string][]string:
- return v, nil
- case map[string][]interface{}:
- for k, val := range v {
- m[ToString(k)] = ToStringSlice(val)
- }
- return m, nil
- case map[string]string:
- for k, val := range v {
- m[ToString(k)] = []string{val}
- }
- case map[string]interface{}:
- for k, val := range v {
- switch vt := val.(type) {
- case []interface{}:
- m[ToString(k)] = ToStringSlice(vt)
- case []string:
- m[ToString(k)] = vt
- default:
- m[ToString(k)] = []string{ToString(val)}
- }
- }
- return m, nil
- case map[interface{}][]string:
- for k, val := range v {
- m[ToString(k)] = ToStringSlice(val)
- }
- return m, nil
- case map[interface{}]string:
- for k, val := range v {
- m[ToString(k)] = ToStringSlice(val)
- }
- return m, nil
- case map[interface{}][]interface{}:
- for k, val := range v {
- m[ToString(k)] = ToStringSlice(val)
- }
- return m, nil
- case map[interface{}]interface{}:
- for k, val := range v {
- key, err := ToStringE(k)
- if err != nil {
- return m, fmt.Errorf("Unable to Cast %#v to map[string][]string", i)
- }
- value, err := ToStringSliceE(val)
- if err != nil {
- return m, fmt.Errorf("Unable to Cast %#v to map[string][]string", i)
- }
- m[key] = value
- }
- default:
- return m, fmt.Errorf("Unable to Cast %#v to map[string][]string", i)
- }
- return m, nil
-}
-
-// ToStringMapBoolE casts an empty interface to a map[string]bool.
-func ToStringMapBoolE(i interface{}) (map[string]bool, error) {
-
- var m = map[string]bool{}
-
- switch v := i.(type) {
- case map[interface{}]interface{}:
- for k, val := range v {
- m[ToString(k)] = ToBool(val)
- }
- return m, nil
- case map[string]interface{}:
- for k, val := range v {
- m[ToString(k)] = ToBool(val)
- }
- return m, nil
- case map[string]bool:
- return v, nil
- default:
- return m, fmt.Errorf("Unable to Cast %#v to map[string]bool", i)
- }
-}
-
-// ToStringMapE casts an empty interface to a map[string]interface{}.
-func ToStringMapE(i interface{}) (map[string]interface{}, error) {
-
- var m = map[string]interface{}{}
-
- switch v := i.(type) {
- case map[interface{}]interface{}:
- for k, val := range v {
- m[ToString(k)] = val
- }
- return m, nil
- case map[string]interface{}:
- return v, nil
- default:
- return m, fmt.Errorf("Unable to Cast %#v to map[string]interface{}", i)
- }
-}
-
-// ToSliceE casts an empty interface to a []interface{}.
-func ToSliceE(i interface{}) ([]interface{}, error) {
-
- var s []interface{}
-
- switch v := i.(type) {
- case []interface{}:
- for _, u := range v {
- s = append(s, u)
- }
- return s, nil
- case []map[string]interface{}:
- for _, u := range v {
- s = append(s, u)
- }
- return s, nil
- default:
- return s, fmt.Errorf("Unable to Cast %#v of type %v to []interface{}", i, reflect.TypeOf(i))
- }
-}
-
-// ToBoolSliceE casts an empty interface to a []bool.
-func ToBoolSliceE(i interface{}) ([]bool, error) {
-
- if i == nil {
- return []bool{}, fmt.Errorf("Unable to Cast %#v to []bool", i)
- }
-
- switch v := i.(type) {
- case []bool:
- return v, nil
- }
-
- kind := reflect.TypeOf(i).Kind()
- switch kind {
- case reflect.Slice, reflect.Array:
- s := reflect.ValueOf(i)
- a := make([]bool, s.Len())
- for j := 0; j < s.Len(); j++ {
- val, err := ToBoolE(s.Index(j).Interface())
- if err != nil {
- return []bool{}, fmt.Errorf("Unable to Cast %#v to []bool", i)
- }
- a[j] = val
- }
- return a, nil
- default:
- return []bool{}, fmt.Errorf("Unable to Cast %#v to []bool", i)
- }
-}
-
-// ToStringSliceE casts an empty interface to a []string.
-func ToStringSliceE(i interface{}) ([]string, error) {
-
- var a []string
-
- switch v := i.(type) {
- case []interface{}:
- for _, u := range v {
- a = append(a, ToString(u))
- }
- return a, nil
- case []string:
- return v, nil
- case string:
- return strings.Fields(v), nil
- case interface{}:
- str, err := ToStringE(v)
- if err != nil {
- return a, fmt.Errorf("Unable to Cast %#v to []string", i)
- }
- return []string{str}, nil
- default:
- return a, fmt.Errorf("Unable to Cast %#v to []string", i)
- }
-}
-
-// ToIntSliceE casts an empty interface to a []int.
-func ToIntSliceE(i interface{}) ([]int, error) {
-
- if i == nil {
- return []int{}, fmt.Errorf("Unable to Cast %#v to []int", i)
- }
-
- switch v := i.(type) {
- case []int:
- return v, nil
- }
-
- kind := reflect.TypeOf(i).Kind()
- switch kind {
- case reflect.Slice, reflect.Array:
- s := reflect.ValueOf(i)
- a := make([]int, s.Len())
- for j := 0; j < s.Len(); j++ {
- val, err := ToIntE(s.Index(j).Interface())
- if err != nil {
- return []int{}, fmt.Errorf("Unable to Cast %#v to []int", i)
- }
- a[j] = val
- }
- return a, nil
- default:
- return []int{}, fmt.Errorf("Unable to Cast %#v to []int", i)
- }
-}
-
-// StringToDate casts an empty interface to a time.Time.
-func StringToDate(s string) (time.Time, error) {
- return parseDateWith(s, []string{
- time.RFC3339,
- "2006-01-02T15:04:05", // iso8601 without timezone
- time.RFC1123Z,
- time.RFC1123,
- time.RFC822Z,
- time.RFC822,
- time.RFC850,
- time.ANSIC,
- time.UnixDate,
- time.RubyDate,
- "2006-01-02 15:04:05.999999999 -0700 MST", // Time.String()
- "2006-01-02",
- "02 Jan 2006",
- "2006-01-02 15:04:05 -07:00",
- "2006-01-02 15:04:05 -0700",
- "2006-01-02 15:04:05",
- time.Kitchen,
- time.Stamp,
- time.StampMilli,
- time.StampMicro,
- time.StampNano,
- })
-}
-
-func parseDateWith(s string, dates []string) (d time.Time, e error) {
- for _, dateType := range dates {
- if d, e = time.Parse(dateType, s); e == nil {
- return
- }
- }
- return d, fmt.Errorf("Unable to parse date: %s", s)
-}
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newtmgr/blob/9975ef7a/newtmgr/vendor/github.com/spf13/cobra/.gitignore
----------------------------------------------------------------------
diff --git a/newtmgr/vendor/github.com/spf13/cobra/.gitignore b/newtmgr/vendor/github.com/spf13/cobra/.gitignore
deleted file mode 100644
index 1b8c7c2..0000000
--- a/newtmgr/vendor/github.com/spf13/cobra/.gitignore
+++ /dev/null
@@ -1,36 +0,0 @@
-# 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
-
-# Vim files https://github.com/github/gitignore/blob/master/Global/Vim.gitignore
-# swap
-[._]*.s[a-w][a-z]
-[._]s[a-w][a-z]
-# session
-Session.vim
-# temporary
-.netrwhist
-*~
-# auto-generated tag files
-tags
-
-*.exe
-
-cobra.test
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newtmgr/blob/9975ef7a/newtmgr/vendor/github.com/spf13/cobra/.mailmap
----------------------------------------------------------------------
diff --git a/newtmgr/vendor/github.com/spf13/cobra/.mailmap b/newtmgr/vendor/github.com/spf13/cobra/.mailmap
deleted file mode 100644
index 94ec530..0000000
--- a/newtmgr/vendor/github.com/spf13/cobra/.mailmap
+++ /dev/null
@@ -1,3 +0,0 @@
-Steve Francia <st...@gmail.com>
-Bj�rn Erik Pedersen <bj...@gmail.com>
-Fabiano Franz <ff...@redhat.com> <co...@fabianofranz.com>
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newtmgr/blob/9975ef7a/newtmgr/vendor/github.com/spf13/cobra/.travis.yml
----------------------------------------------------------------------
diff --git a/newtmgr/vendor/github.com/spf13/cobra/.travis.yml b/newtmgr/vendor/github.com/spf13/cobra/.travis.yml
deleted file mode 100644
index bd72adf..0000000
--- a/newtmgr/vendor/github.com/spf13/cobra/.travis.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-language: go
-
-matrix:
- include:
- - go: 1.4.3
- env: NOVET=true # No bundled vet.
- - go: 1.5.4
- - go: 1.6.3
- - go: 1.7
- - go: tip
- allow_failures:
- - go: tip
-
-before_install:
- - mkdir -p bin
- - curl -Lso bin/shellcheck https://github.com/caarlos0/shellcheck-docker/releases/download/v0.4.3/shellcheck
- - chmod +x bin/shellcheck
-script:
- - PATH=$PATH:$PWD/bin go test -v ./...
- - go build
- - diff -u <(echo -n) <(gofmt -d -s .)
- - if [ -z $NOVET ]; then
- diff -u <(echo -n) <(go tool vet . 2>&1 | grep -vE 'ExampleCommand|bash_completions.*Fprint');
- fi
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newtmgr/blob/9975ef7a/newtmgr/vendor/github.com/spf13/cobra/LICENSE.txt
----------------------------------------------------------------------
diff --git a/newtmgr/vendor/github.com/spf13/cobra/LICENSE.txt b/newtmgr/vendor/github.com/spf13/cobra/LICENSE.txt
deleted file mode 100644
index 298f0e2..0000000
--- a/newtmgr/vendor/github.com/spf13/cobra/LICENSE.txt
+++ /dev/null
@@ -1,174 +0,0 @@
- Apache License
- Version 2.0, January 2004
- http://www.apache.org/licenses/
-
- TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
- 1. Definitions.
-
- "License" shall mean the terms and conditions for use, reproduction,
- and distribution as defined by Sections 1 through 9 of this document.
-
- "Licensor" shall mean the copyright owner or entity authorized by
- the copyright owner that is granting the License.
-
- "Legal Entity" shall mean the union of the acting entity and all
- other entities that control, are controlled by, or are under common
- control with that entity. For the purposes of this definition,
- "control" means (i) the power, direct or indirect, to cause the
- direction or management of such entity, whether by contract or
- otherwise, or (ii) ownership of fifty percent (50%) or more of the
- outstanding shares, or (iii) beneficial ownership of such entity.
-
- "You" (or "Your") shall mean an individual or Legal Entity
- exercising permissions granted by this License.
-
- "Source" form shall mean the preferred form for making modifications,
- including but not limited to software source code, documentation
- source, and configuration files.
-
- "Object" form shall mean any form resulting from mechanical
- transformation or translation of a Source form, including but
- not limited to compiled object code, generated documentation,
- and conversions to other media types.
-
- "Work" shall mean the work of authorship, whether in Source or
- Object form, made available under the License, as indicated by a
- copyright notice that is included in or attached to the work
- (an example is provided in the Appendix below).
-
- "Derivative Works" shall mean any work, whether in Source or Object
- form, that is based on (or derived from) the Work and for which the
- editorial revisions, annotations, elaborations, or other modifications
- represent, as a whole, an original work of authorship. For the purposes
- of this License, Derivative Works shall not include works that remain
- separable from, or merely link (or bind by name) to the interfaces of,
- the Work and Derivative Works thereof.
-
- "Contribution" shall mean any work of authorship, including
- the original version of the Work and any modifications or additions
- to that Work or Derivative Works thereof, that is intentionally
- submitted to Licensor for inclusion in the Work by the copyright owner
- or by an individual or Legal Entity authorized to submit on behalf of
- the copyright owner. For the purposes of this definition, "submitted"
- means any form of electronic, verbal, or written communication sent
- to the Licensor or its representatives, including but not limited to
- communication on electronic mailing lists, source code control systems,
- and issue tracking systems that are managed by, or on behalf of, the
- Licensor for the purpose of discussing and improving the Work, but
- excluding communication that is conspicuously marked or otherwise
- designated in writing by the copyright owner as "Not a Contribution."
-
- "Contributor" shall mean Licensor and any individual or Legal Entity
- on behalf of whom a Contribution has been received by Licensor and
- subsequently incorporated within the Work.
-
- 2. Grant of Copyright License. Subject to the terms and conditions of
- this License, each Contributor hereby grants to You a perpetual,
- worldwide, non-exclusive, no-charge, royalty-free, irrevocable
- copyright license to reproduce, prepare Derivative Works of,
- publicly display, publicly perform, sublicense, and distribute the
- Work and such Derivative Works in Source or Object form.
-
- 3. Grant of Patent License. Subject to the terms and conditions of
- this License, each Contributor hereby grants to You a perpetual,
- worldwide, non-exclusive, no-charge, royalty-free, irrevocable
- (except as stated in this section) patent license to make, have made,
- use, offer to sell, sell, import, and otherwise transfer the Work,
- where such license applies only to those patent claims licensable
- by such Contributor that are necessarily infringed by their
- Contribution(s) alone or by combination of their Contribution(s)
- with the Work to which such Contribution(s) was submitted. If You
- institute patent litigation against any entity (including a
- cross-claim or counterclaim in a lawsuit) alleging that the Work
- or a Contribution incorporated within the Work constitutes direct
- or contributory patent infringement, then any patent licenses
- granted to You under this License for that Work shall terminate
- as of the date such litigation is filed.
-
- 4. Redistribution. You may reproduce and distribute copies of the
- Work or Derivative Works thereof in any medium, with or without
- modifications, and in Source or Object form, provided that You
- meet the following conditions:
-
- (a) You must give any other recipients of the Work or
- Derivative Works a copy of this License; and
-
- (b) You must cause any modified files to carry prominent notices
- stating that You changed the files; and
-
- (c) You must retain, in the Source form of any Derivative Works
- that You distribute, all copyright, patent, trademark, and
- attribution notices from the Source form of the Work,
- excluding those notices that do not pertain to any part of
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http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newtmgr/blob/9975ef7a/newtmgr/vendor/github.com/spf13/cobra/README.md
----------------------------------------------------------------------
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--- a/newtmgr/vendor/github.com/spf13/cobra/README.md
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@@ -1,909 +0,0 @@
-
-
-Cobra is both a library for creating powerful modern CLI applications as well as a program to generate applications and command files.
-
-Many of the most widely used Go projects are built using Cobra including:
-
-* [Kubernetes](http://kubernetes.io/)
-* [Hugo](http://gohugo.io)
-* [rkt](https://github.com/coreos/rkt)
-* [etcd](https://github.com/coreos/etcd)
-* [Docker (distribution)](https://github.com/docker/distribution)
-* [OpenShift](https://www.openshift.com/)
-* [Delve](https://github.com/derekparker/delve)
-* [GopherJS](http://www.gopherjs.org/)
-* [CockroachDB](http://www.cockroachlabs.com/)
-* [Bleve](http://www.blevesearch.com/)
-* [ProjectAtomic (enterprise)](http://www.projectatomic.io/)
-* [Parse (CLI)](https://parse.com/)
-* [GiantSwarm's swarm](https://github.com/giantswarm/cli)
-* [Nanobox](https://github.com/nanobox-io/nanobox)/[Nanopack](https://github.com/nanopack)
-
-
-[](https://travis-ci.org/spf13/cobra)
-[](https://circleci.com/gh/spf13/cobra)
-[](https://godoc.org/github.com/spf13/cobra)
-
-
-
-# Overview
-
-Cobra is a library providing a simple interface to create powerful modern CLI
-interfaces similar to git & go tools.
-
-Cobra is also an application that will generate your application scaffolding to rapidly
-develop a Cobra-based application.
-
-Cobra provides:
-* Easy subcommand-based CLIs: `app server`, `app fetch`, etc.
-* Fully POSIX-compliant flags (including short & long versions)
-* Nested subcommands
-* Global, local and cascading flags
-* Easy generation of applications & commands with `cobra create appname` & `cobra add cmdname`
-* Intelligent suggestions (`app srver`... did you mean `app server`?)
-* Automatic help generation for commands and flags
-* Automatic detailed help for `app help [command]`
-* Automatic help flag recognition of `-h`, `--help`, etc.
-* Automatically generated bash autocomplete for your application
-* Automatically generated man pages for your application
-* Command aliases so you can change things without breaking them
-* The flexibilty to define your own help, usage, etc.
-* Optional tight integration with [viper](http://github.com/spf13/viper) for 12-factor apps
-
-Cobra has an exceptionally clean interface and simple design without needless
-constructors or initialization methods.
-
-Applications built with Cobra commands are designed to be as user-friendly as
-possible. Flags can be placed before or after the command (as long as a
-confusing space isn\u2019t provided). Both short and long flags can be used. A
-command need not even be fully typed. Help is automatically generated and
-available for the application or for a specific command using either the help
-command or the `--help` flag.
-
-# Concepts
-
-Cobra is built on a structure of commands, arguments & flags.
-
-**Commands** represent actions, **Args** are things and **Flags** are modifiers for those actions.
-
-The best applications will read like sentences when used. Users will know how
-to use the application because they will natively understand how to use it.
-
-The pattern to follow is
-`APPNAME VERB NOUN --ADJECTIVE.`
- or
-`APPNAME COMMAND ARG --FLAG`
-
-A few good real world examples may better illustrate this point.
-
-In the following example, 'server' is a command, and 'port' is a flag:
-
- > hugo server --port=1313
-
-In this command we are telling Git to clone the url bare.
-
- > git clone URL --bare
-
-## Commands
-
-Command is the central point of the application. Each interaction that
-the application supports will be contained in a Command. A command can
-have children commands and optionally run an action.
-
-In the example above, 'server' is the command.
-
-A Command has the following structure:
-
-```go
-type Command struct {
- Use string // The one-line usage message.
- Short string // The short description shown in the 'help' output.
- Long string // The long message shown in the 'help <this-command>' output.
- Run func(cmd *Command, args []string) // Run runs the command.
-}
-```
-
-## Flags
-
-A Flag is a way to modify the behavior of a command. Cobra supports
-fully POSIX-compliant flags as well as the Go [flag package](https://golang.org/pkg/flag/).
-A Cobra command can define flags that persist through to children commands
-and flags that are only available to that command.
-
-In the example above, 'port' is the flag.
-
-Flag functionality is provided by the [pflag
-library](https://github.com/ogier/pflag), a fork of the flag standard library
-which maintains the same interface while adding POSIX compliance.
-
-## Usage
-
-Cobra works by creating a set of commands and then organizing them into a tree.
-The tree defines the structure of the application.
-
-Once each command is defined with its corresponding flags, then the
-tree is assigned to the commander which is finally executed.
-
-# Installing
-Using Cobra is easy. First, use `go get` to install the latest version
-of the library. This command will install the `cobra` generator executible
-along with the library:
-
- > go get -v github.com/spf13/cobra/cobra
-
-Next, include Cobra in your application:
-
-```go
-import "github.com/spf13/cobra"
-```
-
-# Getting Started
-
-While you are welcome to provide your own organization, typically a Cobra based
-application will follow the following organizational structure.
-
-```
- \u25be appName/
- \u25be cmd/
- add.go
- your.go
- commands.go
- here.go
- main.go
-```
-
-In a Cobra app, typically the main.go file is very bare. It serves, one purpose, to initialize Cobra.
-
-```go
-package main
-
-import (
- "fmt"
- "os"
-
- "{pathToYourApp}/cmd"
-)
-
-func main() {
- if err := cmd.RootCmd.Execute(); err != nil {
- fmt.Println(err)
- os.Exit(-1)
- }
-}
-```
-
-## Using the Cobra Generator
-
-Cobra provides its own program that will create your application and add any
-commands you want. It's the easiest way to incorporate Cobra into your application.
-
-In order to use the cobra command, compile it using the following command:
-
- > go install github.com/spf13/cobra/cobra
-
-This will create the cobra executable under your go path bin directory!
-
-### cobra init
-
-The `cobra init [yourApp]` command will create your initial application code
-for you. It is a very powerful application that will populate your program with
-the right structure so you can immediately enjoy all the benefits of Cobra. It
-will also automatically apply the license you specify to your application.
-
-Cobra init is pretty smart. You can provide it a full path, or simply a path
-similar to what is expected in the import.
-
-```
-cobra init github.com/spf13/newAppName
-```
-
-### cobra add
-
-Once an application is initialized Cobra can create additional commands for you.
-Let's say you created an app and you wanted the following commands for it:
-
-* app serve
-* app config
-* app config create
-
-In your project directory (where your main.go file is) you would run the following:
-
-```
-cobra add serve
-cobra add config
-cobra add create -p 'configCmd'
-```
-
-Once you have run these three commands you would have an app structure that would look like:
-
-```
- \u25be app/
- \u25be cmd/
- serve.go
- config.go
- create.go
- main.go
-```
-
-at this point you can run `go run main.go` and it would run your app. `go run
-main.go serve`, `go run main.go config`, `go run main.go config create` along
-with `go run main.go help serve`, etc would all work.
-
-Obviously you haven't added your own code to these yet, the commands are ready
-for you to give them their tasks. Have fun.
-
-### Configuring the cobra generator
-
-The cobra generator will be easier to use if you provide a simple configuration
-file which will help you eliminate providing a bunch of repeated information in
-flags over and over.
-
-An example ~/.cobra.yaml file:
-
-```yaml
-author: Steve Francia <sp...@spf13.com>
-license: MIT
-```
-
-You can specify no license by setting `license` to `none` or you can specify
-a custom license:
-
-```yaml
-license:
- header: This file is part of {{ .appName }}.
- text: |
- {{ .copyright }}
-
- This is my license. There are many like it, but this one is mine.
- My license is my best friend. It is my life. I must master it as I must
- master my life.
-```
-
-## Manually implementing Cobra
-
-To manually implement cobra you need to create a bare main.go file and a RootCmd file.
-You will optionally provide additional commands as you see fit.
-
-### Create the root command
-
-The root command represents your binary itself.
-
-
-#### Manually create rootCmd
-
-Cobra doesn't require any special constructors. Simply create your commands.
-
-Ideally you place this in app/cmd/root.go:
-
-```go
-var RootCmd = &cobra.Command{
- Use: "hugo",
- Short: "Hugo is a very fast static site generator",
- Long: `A Fast and Flexible Static Site Generator built with
- love by spf13 and friends in Go.
- Complete documentation is available at http://hugo.spf13.com`,
- Run: func(cmd *cobra.Command, args []string) {
- // Do Stuff Here
- },
-}
-```
-
-You will additionally define flags and handle configuration in your init() function.
-
-for example cmd/root.go:
-
-```go
-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 eg. 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")
-}
-```
-
-### Create your main.go
-
-With the root command you need to have your main function execute it.
-Execute should be run on the root for clarity, though it can be called on any command.
-
-In a Cobra app, typically the main.go file is very bare. It serves, one purpose, to initialize Cobra.
-
-```go
-package main
-
-import (
- "fmt"
- "os"
-
- "{pathToYourApp}/cmd"
-)
-
-func main() {
- if err := cmd.RootCmd.Execute(); err != nil {
- fmt.Println(err)
- os.Exit(-1)
- }
-}
-```
-
-
-### Create additional commands
-
-Additional commands can be defined and typically are each given their own file
-inside of the cmd/ directory.
-
-If you wanted to create a version command you would create cmd/version.go and
-populate it with the following:
-
-```go
-package cmd
-
-import (
- "github.com/spf13/cobra"
- "fmt"
-)
-
-func init() {
- RootCmd.AddCommand(versionCmd)
-}
-
-var versionCmd = &cobra.Command{
- Use: "version",
- Short: "Print the version number of Hugo",
- Long: `All software has versions. This is Hugo's`,
- Run: func(cmd *cobra.Command, args []string) {
- fmt.Println("Hugo Static Site Generator v0.9 -- HEAD")
- },
-}
-```
-
-### Attach command to its parent
-
-
-If you notice in the above example we attach the command to its parent. In
-this case the parent is the rootCmd. In this example we are attaching it to the
-root, but commands can be attached at any level.
-
-```go
-RootCmd.AddCommand(versionCmd)
-```
-
-### Remove a command from its parent
-
-Removing a command is not a common action in simple programs, but it allows 3rd
-parties to customize an existing command tree.
-
-In this example, we remove the existing `VersionCmd` command of an existing
-root command, and we replace it with our own version:
-
-```go
-mainlib.RootCmd.RemoveCommand(mainlib.VersionCmd)
-mainlib.RootCmd.AddCommand(versionCmd)
-```
-
-## Working with Flags
-
-Flags provide modifiers to control how the action command operates.
-
-### Assign flags to a command
-
-Since the flags are defined and used in different locations, we need to
-define a variable outside with the correct scope to assign the flag to
-work with.
-
-```go
-var Verbose bool
-var Source string
-```
-
-There are two different approaches to assign a flag.
-
-### Persistent Flags
-
-A flag can be 'persistent' meaning that this flag will be available to the
-command it's assigned to as well as every command under that command. For
-global flags, assign a flag as a persistent flag on the root.
-
-```go
-RootCmd.PersistentFlags().BoolVarP(&Verbose, "verbose", "v", false, "verbose output")
-```
-
-### Local Flags
-
-A flag can also be assigned locally which will only apply to that specific command.
-
-```go
-RootCmd.Flags().StringVarP(&Source, "source", "s", "", "Source directory to read from")
-```
-
-
-## Example
-
-In the example below, we have defined three commands. Two are at the top level
-and one (cmdTimes) is a child of one of the top commands. In this case the root
-is not executable meaning that a subcommand is required. This is accomplished
-by not providing a 'Run' for the 'rootCmd'.
-
-We have only defined one flag for a single command.
-
-More documentation about flags is available at https://github.com/spf13/pflag
-
-```go
-package main
-
-import (
- "fmt"
- "strings"
-
- "github.com/spf13/cobra"
-)
-
-func main() {
-
- var echoTimes int
-
- var cmdPrint = &cobra.Command{
- Use: "print [string to print]",
- Short: "Print anything to the screen",
- Long: `print is for printing anything back to the screen.
- For many years people have printed back to the screen.
- `,
- Run: func(cmd *cobra.Command, args []string) {
- fmt.Println("Print: " + strings.Join(args, " "))
- },
- }
-
- var cmdEcho = &cobra.Command{
- Use: "echo [string to echo]",
- Short: "Echo anything to the screen",
- Long: `echo is for echoing anything back.
- Echo works a lot like print, except it has a child command.
- `,
- Run: func(cmd *cobra.Command, args []string) {
- fmt.Println("Print: " + strings.Join(args, " "))
- },
- }
-
- var cmdTimes = &cobra.Command{
- Use: "times [# times] [string to echo]",
- Short: "Echo anything to the screen more times",
- Long: `echo things multiple times back to the user by providing
- a count and a string.`,
- Run: func(cmd *cobra.Command, args []string) {
- for i := 0; i < echoTimes; i++ {
- fmt.Println("Echo: " + strings.Join(args, " "))
- }
- },
- }
-
- cmdTimes.Flags().IntVarP(&echoTimes, "times", "t", 1, "times to echo the input")
-
- var rootCmd = &cobra.Command{Use: "app"}
- rootCmd.AddCommand(cmdPrint, cmdEcho)
- cmdEcho.AddCommand(cmdTimes)
- rootCmd.Execute()
-}
-```
-
-For a more complete example of a larger application, please checkout [Hugo](http://gohugo.io/).
-
-## The Help Command
-
-Cobra automatically adds a help command to your application when you have subcommands.
-This will be called when a user runs 'app help'. Additionally, help will also
-support all other commands as input. Say, for instance, you have a command called
-'create' without any additional configuration; Cobra will work when 'app help
-create' is called. Every command will automatically have the '--help' flag added.
-
-### Example
-
-The following output is automatically generated by Cobra. Nothing beyond the
-command and flag definitions are needed.
-
- > hugo help
-
- hugo is the main command, used to build your Hugo site.
-
- Hugo is a Fast and Flexible Static Site Generator
- built with love by spf13 and friends in Go.
-
- Complete documentation is available at http://gohugo.io/.
-
- Usage:
- hugo [flags]
- hugo [command]
-
- Available Commands:
- server Hugo runs its own webserver to render the files
- version Print the version number of Hugo
- config Print the site configuration
- check Check content in the source directory
- benchmark Benchmark hugo by building a site a number of times.
- convert Convert your content to different formats
- new Create new content for your site
- list Listing out various types of content
- undraft Undraft changes the content's draft status from 'True' to 'False'
- genautocomplete Generate shell autocompletion script for Hugo
- gendoc Generate Markdown documentation for the Hugo CLI.
- genman Generate man page for Hugo
- import Import your site from others.
-
- Flags:
- -b, --baseURL="": hostname (and path) to the root, e.g. http://spf13.com/
- -D, --buildDrafts[=false]: include content marked as draft
- -F, --buildFuture[=false]: include content with publishdate in the future
- --cacheDir="": filesystem path to cache directory. Defaults: $TMPDIR/hugo_cache/
- --canonifyURLs[=false]: if true, all relative URLs will be canonicalized using baseURL
- --config="": config file (default is path/config.yaml|json|toml)
- -d, --destination="": filesystem path to write files to
- --disableRSS[=false]: Do not build RSS files
- --disableSitemap[=false]: Do not build Sitemap file
- --editor="": edit new content with this editor, if provided
- --ignoreCache[=false]: Ignores the cache directory for reading but still writes to it
- --log[=false]: Enable Logging
- --logFile="": Log File path (if set, logging enabled automatically)
- --noTimes[=false]: Don't sync modification time of files
- --pluralizeListTitles[=true]: Pluralize titles in lists using inflect
- --preserveTaxonomyNames[=false]: Preserve taxonomy names as written ("G�rard Depardieu" vs "gerard-depardieu")
- -s, --source="": filesystem path to read files relative from
- --stepAnalysis[=false]: display memory and timing of different steps of the program
- -t, --theme="": theme to use (located in /themes/THEMENAME/)
- --uglyURLs[=false]: if true, use /filename.html instead of /filename/
- -v, --verbose[=false]: verbose output
- --verboseLog[=false]: verbose logging
- -w, --watch[=false]: watch filesystem for changes and recreate as needed
-
- Use "hugo [command] --help" for more information about a command.
-
-
-Help is just a command like any other. There is no special logic or behavior
-around it. In fact, you can provide your own if you want.
-
-### Defining your own help
-
-You can provide your own Help command or your own template for the default command to use.
-
-The default help command is
-
-```go
-func (c *Command) initHelp() {
- if c.helpCommand == nil {
- c.helpCommand = &Command{
- Use: "help [command]",
- Short: "Help about any command",
- Long: `Help provides help for any command in the application.
- Simply type ` + c.Name() + ` help [path to command] for full details.`,
- Run: c.HelpFunc(),
- }
- }
- c.AddCommand(c.helpCommand)
-}
-```
-
-You can provide your own command, function or template through the following methods:
-
-```go
-command.SetHelpCommand(cmd *Command)
-
-command.SetHelpFunc(f func(*Command, []string))
-
-command.SetHelpTemplate(s string)
-```
-
-The latter two will also apply to any children commands.
-
-## Usage
-
-When the user provides an invalid flag or invalid command, Cobra responds by
-showing the user the 'usage'.
-
-### Example
-You may recognize this from the help above. That's because the default help
-embeds the usage as part of its output.
-
- Usage:
- hugo [flags]
- hugo [command]
-
- Available Commands:
- server Hugo runs its own webserver to render the files
- version Print the version number of Hugo
- config Print the site configuration
- check Check content in the source directory
- benchmark Benchmark hugo by building a site a number of times.
- convert Convert your content to different formats
- new Create new content for your site
- list Listing out various types of content
- undraft Undraft changes the content's draft status from 'True' to 'False'
- genautocomplete Generate shell autocompletion script for Hugo
- gendoc Generate Markdown documentation for the Hugo CLI.
- genman Generate man page for Hugo
- import Import your site from others.
-
- Flags:
- -b, --baseURL="": hostname (and path) to the root, e.g. http://spf13.com/
- -D, --buildDrafts[=false]: include content marked as draft
- -F, --buildFuture[=false]: include content with publishdate in the future
- --cacheDir="": filesystem path to cache directory. Defaults: $TMPDIR/hugo_cache/
- --canonifyURLs[=false]: if true, all relative URLs will be canonicalized using baseURL
- --config="": config file (default is path/config.yaml|json|toml)
- -d, --destination="": filesystem path to write files to
- --disableRSS[=false]: Do not build RSS files
- --disableSitemap[=false]: Do not build Sitemap file
- --editor="": edit new content with this editor, if provided
- --ignoreCache[=false]: Ignores the cache directory for reading but still writes to it
- --log[=false]: Enable Logging
- --logFile="": Log File path (if set, logging enabled automatically)
- --noTimes[=false]: Don't sync modification time of files
- --pluralizeListTitles[=true]: Pluralize titles in lists using inflect
- --preserveTaxonomyNames[=false]: Preserve taxonomy names as written ("G�rard Depardieu" vs "gerard-depardieu")
- -s, --source="": filesystem path to read files relative from
- --stepAnalysis[=false]: display memory and timing of different steps of the program
- -t, --theme="": theme to use (located in /themes/THEMENAME/)
- --uglyURLs[=false]: if true, use /filename.html instead of /filename/
- -v, --verbose[=false]: verbose output
- --verboseLog[=false]: verbose logging
- -w, --watch[=false]: watch filesystem for changes and recreate as needed
-
-### Defining your own usage
-You can provide your own usage function or template for Cobra to use.
-
-The default usage function is:
-
-```go
-return func(c *Command) error {
- err := tmpl(c.Out(), c.UsageTemplate(), c)
- return err
-}
-```
-
-Like help, the function and template are overridable through public methods:
-
-```go
-command.SetUsageFunc(f func(*Command) error)
-
-command.SetUsageTemplate(s string)
-```
-
-## PreRun or PostRun Hooks
-
-It is possible to run functions before or after the main `Run` function of your command. The `PersistentPreRun` and `PreRun` functions will be executed before `Run`. `PersistentPostRun` and `PostRun` will be executed after `Run`. The `Persistent*Run` functions will be inherited by children if they do not declare their own. These functions are run in the following order:
-
-- `PersistentPreRun`
-- `PreRun`
-- `Run`
-- `PostRun`
-- `PersistentPostRun`
-
-An example of two commands which use all of these features is below. When the subcommand is executed, it will run the root command's `PersistentPreRun` but not the root command's `PersistentPostRun`:
-
-```go
-package main
-
-import (
- "fmt"
-
- "github.com/spf13/cobra"
-)
-
-func main() {
-
- var rootCmd = &cobra.Command{
- Use: "root [sub]",
- Short: "My root command",
- PersistentPreRun: func(cmd *cobra.Command, args []string) {
- fmt.Printf("Inside rootCmd PersistentPreRun with args: %v\n", args)
- },
- PreRun: func(cmd *cobra.Command, args []string) {
- fmt.Printf("Inside rootCmd PreRun with args: %v\n", args)
- },
- Run: func(cmd *cobra.Command, args []string) {
- fmt.Printf("Inside rootCmd Run with args: %v\n", args)
- },
- PostRun: func(cmd *cobra.Command, args []string) {
- fmt.Printf("Inside rootCmd PostRun with args: %v\n", args)
- },
- PersistentPostRun: func(cmd *cobra.Command, args []string) {
- fmt.Printf("Inside rootCmd PersistentPostRun with args: %v\n", args)
- },
- }
-
- var subCmd = &cobra.Command{
- Use: "sub [no options!]",
- Short: "My subcommand",
- PreRun: func(cmd *cobra.Command, args []string) {
- fmt.Printf("Inside subCmd PreRun with args: %v\n", args)
- },
- Run: func(cmd *cobra.Command, args []string) {
- fmt.Printf("Inside subCmd Run with args: %v\n", args)
- },
- PostRun: func(cmd *cobra.Command, args []string) {
- fmt.Printf("Inside subCmd PostRun with args: %v\n", args)
- },
- PersistentPostRun: func(cmd *cobra.Command, args []string) {
- fmt.Printf("Inside subCmd PersistentPostRun with args: %v\n", args)
- },
- }
-
- rootCmd.AddCommand(subCmd)
-
- rootCmd.SetArgs([]string{""})
- _ = rootCmd.Execute()
- fmt.Print("\n")
- rootCmd.SetArgs([]string{"sub", "arg1", "arg2"})
- _ = rootCmd.Execute()
-}
-```
-
-
-## Alternative Error Handling
-
-Cobra also has functions where the return signature is an error. This allows for errors to bubble up to the top,
-providing a way to handle the errors in one location. The current list of functions that return an error is:
-
-* PersistentPreRunE
-* PreRunE
-* RunE
-* PostRunE
-* PersistentPostRunE
-
-If you would like to silence the default `error` and `usage` output in favor of your own, you can set `SilenceUsage`
-and `SilenceErrors` to `false` on the command. A child command respects these flags if they are set on the parent
-command.
-
-**Example Usage using RunE:**
-
-```go
-package main
-
-import (
- "errors"
- "log"
-
- "github.com/spf13/cobra"
-)
-
-func main() {
- var rootCmd = &cobra.Command{
- Use: "hugo",
- Short: "Hugo is a very fast static site generator",
- Long: `A Fast and Flexible Static Site Generator built with
- love by spf13 and friends in Go.
- Complete documentation is available at http://hugo.spf13.com`,
- RunE: func(cmd *cobra.Command, args []string) error {
- // Do Stuff Here
- return errors.New("some random error")
- },
- }
-
- if err := rootCmd.Execute(); err != nil {
- log.Fatal(err)
- }
-}
-```
-
-## Suggestions when "unknown command" happens
-
-Cobra will print automatic suggestions when "unknown command" errors happen. This allows Cobra to behave similarly to the `git` command when a typo happens. For example:
-
-```
-$ hugo srever
-Error: unknown command "srever" for "hugo"
-
-Did you mean this?
- server
-
-Run 'hugo --help' for usage.
-```
-
-Suggestions are automatic based on every subcommand registered and use an implementation of [Levenshtein distance](http://en.wikipedia.org/wiki/Levenshtein_distance). Every registered command that matches a minimum distance of 2 (ignoring case) will be displayed as a suggestion.
-
-If you need to disable suggestions or tweak the string distance in your command, use:
-
-```go
-command.DisableSuggestions = true
-```
-
-or
-
-```go
-command.SuggestionsMinimumDistance = 1
-```
-
-You can also explicitly set names for which a given command will be suggested using the `SuggestFor` attribute. This allows suggestions for strings that are not close in terms of string distance, but makes sense in your set of commands and for some which you don't want aliases. Example:
-
-```
-$ kubectl remove
-Error: unknown command "remove" for "kubectl"
-
-Did you mean this?
- delete
-
-Run 'kubectl help' for usage.
-```
-
-## Generating Markdown-formatted documentation for your command
-
-Cobra can generate a Markdown-formatted document based on the subcommands, flags, etc. A simple example of how to do this for your command can be found in [Markdown Docs](doc/md_docs.md).
-
-## Generating man pages for your command
-
-Cobra can generate a man page based on the subcommands, flags, etc. A simple example of how to do this for your command can be found in [Man Docs](doc/man_docs.md).
-
-## Generating bash completions for your command
-
-Cobra can generate a bash-completion file. If you add more information to your command, these completions can be amazingly powerful and flexible. Read more about it in [Bash Completions](bash_completions.md).
-
-## Debugging
-
-Cobra provides a \u2018DebugFlags\u2019 method on a command which, when called, will print
-out everything Cobra knows about the flags for each command.
-
-### Example
-
-```go
-command.DebugFlags()
-```
-
-## Release Notes
-* **0.9.0** June 17, 2014
- * flags can appears anywhere in the args (provided they are unambiguous)
- * --help prints usage screen for app or command
- * Prefix matching for commands
- * Cleaner looking help and usage output
- * Extensive test suite
-* **0.8.0** Nov 5, 2013
- * Reworked interface to remove commander completely
- * Command now primary structure
- * No initialization needed
- * Usage & Help templates & functions definable at any level
- * Updated Readme
-* **0.7.0** Sept 24, 2013
- * Needs more eyes
- * Test suite
- * Support for automatic error messages
- * Support for help command
- * Support for printing to any io.Writer instead of os.Stderr
- * Support for persistent flags which cascade down tree
- * Ready for integration into Hugo
-* **0.1.0** Sept 3, 2013
- * Implement first draft
-
-## Extensions
-
-Libraries for extending Cobra:
-
-* [cmdns](https://github.com/gosuri/cmdns): Enables name spacing a command's immediate children. It provides an alternative way to structure subcommands, similar to `heroku apps:create` and `ovrclk clusters:launch`.
-
-## ToDo
-* Launch proper documentation site
-
-## Contributing
-
-1. Fork it
-2. Create your feature branch (`git checkout -b my-new-feature`)
-3. Commit your changes (`git commit -am 'Add some feature'`)
-4. Push to the branch (`git push origin my-new-feature`)
-5. Create new Pull Request
-
-## Contributors
-
-Names in no particular order:
-
-* [spf13](https://github.com/spf13),
-[eparis](https://github.com/eparis),
-[bep](https://github.com/bep), and many more!
-
-## License
-
-Cobra is released under the Apache 2.0 license. See [LICENSE.txt](https://github.com/spf13/cobra/blob/master/LICENSE.txt)
-
-
-[](https://bitdeli.com/free "Bitdeli Badge")
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newtmgr/blob/9975ef7a/newtmgr/vendor/github.com/spf13/cobra/bash_completions.go
----------------------------------------------------------------------
diff --git a/newtmgr/vendor/github.com/spf13/cobra/bash_completions.go b/newtmgr/vendor/github.com/spf13/cobra/bash_completions.go
deleted file mode 100644
index 8820ba8..0000000
--- a/newtmgr/vendor/github.com/spf13/cobra/bash_completions.go
+++ /dev/null
@@ -1,645 +0,0 @@
-package cobra
-
-import (
- "fmt"
- "io"
- "os"
- "sort"
- "strings"
-
- "github.com/spf13/pflag"
-)
-
-// Annotations for Bash completion.
-const (
- BashCompFilenameExt = "cobra_annotation_bash_completion_filename_extensions"
- BashCompCustom = "cobra_annotation_bash_completion_custom"
- BashCompOneRequiredFlag = "cobra_annotation_bash_completion_one_required_flag"
- BashCompSubdirsInDir = "cobra_annotation_bash_completion_subdirs_in_dir"
-)
-
-func preamble(out io.Writer, name string) error {
- _, err := fmt.Fprintf(out, "# bash completion for %-36s -*- shell-script -*-\n", name)
- if err != nil {
- return err
- }
- preamStr := `
-__debug()
-{
- if [[ -n ${BASH_COMP_DEBUG_FILE} ]]; then
- echo "$*" >> "${BASH_COMP_DEBUG_FILE}"
- fi
-}
-
-# Homebrew on Macs have version 1.3 of bash-completion which doesn't include
-# _init_completion. This is a very minimal version of that function.
-__my_init_completion()
-{
- COMPREPLY=()
- _get_comp_words_by_ref "$@" cur prev words cword
-}
-
-__index_of_word()
-{
- local w word=$1
- shift
- index=0
- for w in "$@"; do
- [[ $w = "$word" ]] && return
- index=$((index+1))
- done
- index=-1
-}
-
-__contains_word()
-{
- local w word=$1; shift
- for w in "$@"; do
- [[ $w = "$word" ]] && return
- done
- return 1
-}
-
-__handle_reply()
-{
- __debug "${FUNCNAME[0]}"
- case $cur in
- -*)
- if [[ $(type -t compopt) = "builtin" ]]; then
- compopt -o nospace
- fi
- local allflags
- if [ ${#must_have_one_flag[@]} -ne 0 ]; then
- allflags=("${must_have_one_flag[@]}")
- else
- allflags=("${flags[*]} ${two_word_flags[*]}")
- fi
- COMPREPLY=( $(compgen -W "${allflags[*]}" -- "$cur") )
- if [[ $(type -t compopt) = "builtin" ]]; then
- [[ "${COMPREPLY[0]}" == *= ]] || compopt +o nospace
- fi
-
- # complete after --flag=abc
- if [[ $cur == *=* ]]; then
- if [[ $(type -t compopt) = "builtin" ]]; then
- compopt +o nospace
- fi
-
- local index flag
- flag="${cur%%=*}"
- __index_of_word "${flag}" "${flags_with_completion[@]}"
- if [[ ${index} -ge 0 ]]; then
- COMPREPLY=()
- PREFIX=""
- cur="${cur#*=}"
- ${flags_completion[${index}]}
- if [ -n "${ZSH_VERSION}" ]; then
- # zfs completion needs --flag= prefix
- eval "COMPREPLY=( \"\${COMPREPLY[@]/#/${flag}=}\" )"
- fi
- fi
- fi
- return 0;
- ;;
- esac
-
- # check if we are handling a flag with special work handling
- local index
- __index_of_word "${prev}" "${flags_with_completion[@]}"
- if [[ ${index} -ge 0 ]]; then
- ${flags_completion[${index}]}
- return
- fi
-
- # we are parsing a flag and don't have a special handler, no completion
- if [[ ${cur} != "${words[cword]}" ]]; then
- return
- fi
-
- local completions
- completions=("${commands[@]}")
- if [[ ${#must_have_one_noun[@]} -ne 0 ]]; then
- completions=("${must_have_one_noun[@]}")
- fi
- if [[ ${#must_have_one_flag[@]} -ne 0 ]]; then
- completions+=("${must_have_one_flag[@]}")
- fi
- COMPREPLY=( $(compgen -W "${completions[*]}" -- "$cur") )
-
- if [[ ${#COMPREPLY[@]} -eq 0 && ${#noun_aliases[@]} -gt 0 && ${#must_have_one_noun[@]} -ne 0 ]]; then
- COMPREPLY=( $(compgen -W "${noun_aliases[*]}" -- "$cur") )
- fi
-
- if [[ ${#COMPREPLY[@]} -eq 0 ]]; then
- declare -F __custom_func >/dev/null && __custom_func
- fi
-
- __ltrim_colon_completions "$cur"
-}
-
-# The arguments should be in the form "ext1|ext2|extn"
-__handle_filename_extension_flag()
-{
- local ext="$1"
- _filedir "@(${ext})"
-}
-
-__handle_subdirs_in_dir_flag()
-{
- local dir="$1"
- pushd "${dir}" >/dev/null 2>&1 && _filedir -d && popd >/dev/null 2>&1
-}
-
-__handle_flag()
-{
- __debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
-
- # if a command required a flag, and we found it, unset must_have_one_flag()
- local flagname=${words[c]}
- local flagvalue
- # if the word contained an =
- if [[ ${words[c]} == *"="* ]]; then
- flagvalue=${flagname#*=} # take in as flagvalue after the =
- flagname=${flagname%%=*} # strip everything after the =
- flagname="${flagname}=" # but put the = back
- fi
- __debug "${FUNCNAME[0]}: looking for ${flagname}"
- if __contains_word "${flagname}" "${must_have_one_flag[@]}"; then
- must_have_one_flag=()
- fi
-
- # if you set a flag which only applies to this command, don't show subcommands
- if __contains_word "${flagname}" "${local_nonpersistent_flags[@]}"; then
- commands=()
- fi
-
- # keep flag value with flagname as flaghash
- if [ -n "${flagvalue}" ] ; then
- flaghash[${flagname}]=${flagvalue}
- elif [ -n "${words[ $((c+1)) ]}" ] ; then
- flaghash[${flagname}]=${words[ $((c+1)) ]}
- else
- flaghash[${flagname}]="true" # pad "true" for bool flag
- fi
-
- # skip the argument to a two word flag
- if __contains_word "${words[c]}" "${two_word_flags[@]}"; then
- c=$((c+1))
- # if we are looking for a flags value, don't show commands
- if [[ $c -eq $cword ]]; then
- commands=()
- fi
- fi
-
- c=$((c+1))
-
-}
-
-__handle_noun()
-{
- __debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
-
- if __contains_word "${words[c]}" "${must_have_one_noun[@]}"; then
- must_have_one_noun=()
- elif __contains_word "${words[c]}" "${noun_aliases[@]}"; then
- must_have_one_noun=()
- fi
-
- nouns+=("${words[c]}")
- c=$((c+1))
-}
-
-__handle_command()
-{
- __debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
-
- local next_command
- if [[ -n ${last_command} ]]; then
- next_command="_${last_command}_${words[c]//:/__}"
- else
- if [[ $c -eq 0 ]]; then
- next_command="_$(basename "${words[c]//:/__}")"
- else
- next_command="_${words[c]//:/__}"
- fi
- fi
- c=$((c+1))
- __debug "${FUNCNAME[0]}: looking for ${next_command}"
- declare -F $next_command >/dev/null && $next_command
-}
-
-__handle_word()
-{
- if [[ $c -ge $cword ]]; then
- __handle_reply
- return
- fi
- __debug "${FUNCNAME[0]}: c is $c words[c] is ${words[c]}"
- if [[ "${words[c]}" == -* ]]; then
- __handle_flag
- elif __contains_word "${words[c]}" "${commands[@]}"; then
- __handle_command
- elif [[ $c -eq 0 ]] && __contains_word "$(basename "${words[c]}")" "${commands[@]}"; then
- __handle_command
- else
- __handle_noun
- fi
- __handle_word
-}
-
-`
- _, err = fmt.Fprint(out, preamStr)
- return err
-}
-
-func postscript(w io.Writer, name string) error {
- name = strings.Replace(name, ":", "__", -1)
- _, err := fmt.Fprintf(w, "__start_%s()\n", name)
- if err != nil {
- return err
- }
- _, err = fmt.Fprintf(w, `{
- local cur prev words cword
- declare -A flaghash 2>/dev/null || :
- if declare -F _init_completion >/dev/null 2>&1; then
- _init_completion -s || return
- else
- __my_init_completion -n "=" || return
- fi
-
- local c=0
- local flags=()
- local two_word_flags=()
- local local_nonpersistent_flags=()
- local flags_with_completion=()
- local flags_completion=()
- local commands=("%s")
- local must_have_one_flag=()
- local must_have_one_noun=()
- local last_command
- local nouns=()
-
- __handle_word
-}
-
-`, name)
- if err != nil {
- return err
- }
- _, err = fmt.Fprintf(w, `if [[ $(type -t compopt) = "builtin" ]]; then
- complete -o default -F __start_%s %s
-else
- complete -o default -o nospace -F __start_%s %s
-fi
-
-`, name, name, name, name)
- if err != nil {
- return err
- }
- _, err = fmt.Fprintf(w, "# ex: ts=4 sw=4 et filetype=sh\n")
- return err
-}
-
-func writeCommands(cmd *Command, w io.Writer) error {
- if _, err := fmt.Fprintf(w, " commands=()\n"); err != nil {
- return err
- }
- for _, c := range cmd.Commands() {
- if !c.IsAvailableCommand() || c == cmd.helpCommand {
- continue
- }
- if _, err := fmt.Fprintf(w, " commands+=(%q)\n", c.Name()); err != nil {
- return err
- }
- }
- _, err := fmt.Fprintf(w, "\n")
- return err
-}
-
-func writeFlagHandler(name string, annotations map[string][]string, w io.Writer) error {
- for key, value := range annotations {
- switch key {
- case BashCompFilenameExt:
- _, err := fmt.Fprintf(w, " flags_with_completion+=(%q)\n", name)
- if err != nil {
- return err
- }
-
- if len(value) > 0 {
- ext := "__handle_filename_extension_flag " + strings.Join(value, "|")
- _, err = fmt.Fprintf(w, " flags_completion+=(%q)\n", ext)
- } else {
- ext := "_filedir"
- _, err = fmt.Fprintf(w, " flags_completion+=(%q)\n", ext)
- }
- if err != nil {
- return err
- }
- case BashCompCustom:
- _, err := fmt.Fprintf(w, " flags_with_completion+=(%q)\n", name)
- if err != nil {
- return err
- }
- if len(value) > 0 {
- handlers := strings.Join(value, "; ")
- _, err = fmt.Fprintf(w, " flags_completion+=(%q)\n", handlers)
- } else {
- _, err = fmt.Fprintf(w, " flags_completion+=(:)\n")
- }
- if err != nil {
- return err
- }
- case BashCompSubdirsInDir:
- _, err := fmt.Fprintf(w, " flags_with_completion+=(%q)\n", name)
-
- if len(value) == 1 {
- ext := "__handle_subdirs_in_dir_flag " + value[0]
- _, err = fmt.Fprintf(w, " flags_completion+=(%q)\n", ext)
- } else {
- ext := "_filedir -d"
- _, err = fmt.Fprintf(w, " flags_completion+=(%q)\n", ext)
- }
- if err != nil {
- return err
- }
- }
- }
- return nil
-}
-
-func writeShortFlag(flag *pflag.Flag, w io.Writer) error {
- b := (len(flag.NoOptDefVal) > 0)
- name := flag.Shorthand
- format := " "
- if !b {
- format += "two_word_"
- }
- format += "flags+=(\"-%s\")\n"
- if _, err := fmt.Fprintf(w, format, name); err != nil {
- return err
- }
- return writeFlagHandler("-"+name, flag.Annotations, w)
-}
-
-func writeFlag(flag *pflag.Flag, w io.Writer) error {
- b := (len(flag.NoOptDefVal) > 0)
- name := flag.Name
- format := " flags+=(\"--%s"
- if !b {
- format += "="
- }
- format += "\")\n"
- if _, err := fmt.Fprintf(w, format, name); err != nil {
- return err
- }
- return writeFlagHandler("--"+name, flag.Annotations, w)
-}
-
-func writeLocalNonPersistentFlag(flag *pflag.Flag, w io.Writer) error {
- b := (len(flag.NoOptDefVal) > 0)
- name := flag.Name
- format := " local_nonpersistent_flags+=(\"--%s"
- if !b {
- format += "="
- }
- format += "\")\n"
- _, err := fmt.Fprintf(w, format, name)
- return err
-}
-
-func writeFlags(cmd *Command, w io.Writer) error {
- _, err := fmt.Fprintf(w, ` flags=()
- two_word_flags=()
- local_nonpersistent_flags=()
- flags_with_completion=()
- flags_completion=()
-
-`)
- if err != nil {
- return err
- }
- localNonPersistentFlags := cmd.LocalNonPersistentFlags()
- var visitErr error
- cmd.NonInheritedFlags().VisitAll(func(flag *pflag.Flag) {
- if nonCompletableFlag(flag) {
- return
- }
- if err := writeFlag(flag, w); err != nil {
- visitErr = err
- return
- }
- if len(flag.Shorthand) > 0 {
- if err := writeShortFlag(flag, w); err != nil {
- visitErr = err
- return
- }
- }
- if localNonPersistentFlags.Lookup(flag.Name) != nil {
- if err := writeLocalNonPersistentFlag(flag, w); err != nil {
- visitErr = err
- return
- }
- }
- })
- if visitErr != nil {
- return visitErr
- }
- cmd.InheritedFlags().VisitAll(func(flag *pflag.Flag) {
- if nonCompletableFlag(flag) {
- return
- }
- if err := writeFlag(flag, w); err != nil {
- visitErr = err
- return
- }
- if len(flag.Shorthand) > 0 {
- if err := writeShortFlag(flag, w); err != nil {
- visitErr = err
- return
- }
- }
- })
- if visitErr != nil {
- return visitErr
- }
-
- _, err = fmt.Fprintf(w, "\n")
- return err
-}
-
-func writeRequiredFlag(cmd *Command, w io.Writer) error {
- if _, err := fmt.Fprintf(w, " must_have_one_flag=()\n"); err != nil {
- return err
- }
- flags := cmd.NonInheritedFlags()
- var visitErr error
- flags.VisitAll(func(flag *pflag.Flag) {
- if nonCompletableFlag(flag) {
- return
- }
- for key := range flag.Annotations {
- switch key {
- case BashCompOneRequiredFlag:
- format := " must_have_one_flag+=(\"--%s"
- b := (flag.Value.Type() == "bool")
- if !b {
- format += "="
- }
- format += "\")\n"
- if _, err := fmt.Fprintf(w, format, flag.Name); err != nil {
- visitErr = err
- return
- }
-
- if len(flag.Shorthand) > 0 {
- if _, err := fmt.Fprintf(w, " must_have_one_flag+=(\"-%s\")\n", flag.Shorthand); err != nil {
- visitErr = err
- return
- }
- }
- }
- }
- })
- return visitErr
-}
-
-func writeRequiredNouns(cmd *Command, w io.Writer) error {
- if _, err := fmt.Fprintf(w, " must_have_one_noun=()\n"); err != nil {
- return err
- }
- sort.Sort(sort.StringSlice(cmd.ValidArgs))
- for _, value := range cmd.ValidArgs {
- if _, err := fmt.Fprintf(w, " must_have_one_noun+=(%q)\n", value); err != nil {
- return err
- }
- }
- return nil
-}
-
-func writeArgAliases(cmd *Command, w io.Writer) error {
- if _, err := fmt.Fprintf(w, " noun_aliases=()\n"); err != nil {
- return err
- }
- sort.Sort(sort.StringSlice(cmd.ArgAliases))
- for _, value := range cmd.ArgAliases {
- if _, err := fmt.Fprintf(w, " noun_aliases+=(%q)\n", value); err != nil {
- return err
- }
- }
- return nil
-}
-
-func gen(cmd *Command, w io.Writer) error {
- for _, c := range cmd.Commands() {
- if !c.IsAvailableCommand() || c == cmd.helpCommand {
- continue
- }
- if err := gen(c, w); err != nil {
- return err
- }
- }
- commandName := cmd.CommandPath()
- commandName = strings.Replace(commandName, " ", "_", -1)
- commandName = strings.Replace(commandName, ":", "__", -1)
- if _, err := fmt.Fprintf(w, "_%s()\n{\n", commandName); err != nil {
- return err
- }
- if _, err := fmt.Fprintf(w, " last_command=%q\n", commandName); err != nil {
- return err
- }
- if err := writeCommands(cmd, w); err != nil {
- return err
- }
- if err := writeFlags(cmd, w); err != nil {
- return err
- }
- if err := writeRequiredFlag(cmd, w); err != nil {
- return err
- }
- if err := writeRequiredNouns(cmd, w); err != nil {
- return err
- }
- if err := writeArgAliases(cmd, w); err != nil {
- return err
- }
- if _, err := fmt.Fprintf(w, "}\n\n"); err != nil {
- return err
- }
- return nil
-}
-
-// GenBashCompletion generates bash completion file and writes to the passed writer.
-func (cmd *Command) GenBashCompletion(w io.Writer) error {
- if err := preamble(w, cmd.Name()); err != nil {
- return err
- }
- if len(cmd.BashCompletionFunction) > 0 {
- if _, err := fmt.Fprintf(w, "%s\n", cmd.BashCompletionFunction); err != nil {
- return err
- }
- }
- if err := gen(cmd, w); err != nil {
- return err
- }
- return postscript(w, cmd.Name())
-}
-
-func nonCompletableFlag(flag *pflag.Flag) bool {
- return flag.Hidden || len(flag.Deprecated) > 0
-}
-
-// GenBashCompletionFile generates bash completion file.
-func (cmd *Command) GenBashCompletionFile(filename string) error {
- outFile, err := os.Create(filename)
- if err != nil {
- return err
- }
- defer outFile.Close()
-
- return cmd.GenBashCompletion(outFile)
-}
-
-// MarkFlagRequired adds the BashCompOneRequiredFlag annotation to the named flag, if it exists.
-func (cmd *Command) MarkFlagRequired(name string) error {
- return MarkFlagRequired(cmd.Flags(), name)
-}
-
-// MarkPersistentFlagRequired adds the BashCompOneRequiredFlag annotation to the named persistent flag, if it exists.
-func (cmd *Command) MarkPersistentFlagRequired(name string) error {
- return MarkFlagRequired(cmd.PersistentFlags(), name)
-}
-
-// MarkFlagRequired adds the BashCompOneRequiredFlag annotation to the named flag in the flag set, if it exists.
-func MarkFlagRequired(flags *pflag.FlagSet, name string) error {
- return flags.SetAnnotation(name, BashCompOneRequiredFlag, []string{"true"})
-}
-
-// MarkFlagFilename adds the BashCompFilenameExt annotation to the named flag, if it exists.
-// Generated bash autocompletion will select filenames for the flag, limiting to named extensions if provided.
-func (cmd *Command) MarkFlagFilename(name string, extensions ...string) error {
- return MarkFlagFilename(cmd.Flags(), name, extensions...)
-}
-
-// MarkFlagCustom adds the BashCompCustom annotation to the named flag, if it exists.
-// Generated bash autocompletion will call the bash function f for the flag.
-func (cmd *Command) MarkFlagCustom(name string, f string) error {
- return MarkFlagCustom(cmd.Flags(), name, f)
-}
-
-// MarkPersistentFlagFilename adds the BashCompFilenameExt annotation to the named persistent flag, if it exists.
-// Generated bash autocompletion will select filenames for the flag, limiting to named extensions if provided.
-func (cmd *Command) MarkPersistentFlagFilename(name string, extensions ...string) error {
- return MarkFlagFilename(cmd.PersistentFlags(), name, extensions...)
-}
-
-// MarkFlagFilename adds the BashCompFilenameExt annotation to the named flag in the flag set, if it exists.
-// Generated bash autocompletion will select filenames for the flag, limiting to named extensions if provided.
-func MarkFlagFilename(flags *pflag.FlagSet, name string, extensions ...string) error {
- return flags.SetAnnotation(name, BashCompFilenameExt, extensions)
-}
-
-// MarkFlagCustom adds the BashCompCustom annotation to the named flag in the flag set, if it exists.
-// Generated bash autocompletion will call the bash function f for the flag.
-func MarkFlagCustom(flags *pflag.FlagSet, name string, f string) error {
- return flags.SetAnnotation(name, BashCompCustom, []string{f})
-}
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newtmgr/blob/9975ef7a/newtmgr/vendor/github.com/spf13/cobra/bash_completions.md
----------------------------------------------------------------------
diff --git a/newtmgr/vendor/github.com/spf13/cobra/bash_completions.md b/newtmgr/vendor/github.com/spf13/cobra/bash_completions.md
deleted file mode 100644
index 7fa970f..0000000
--- a/newtmgr/vendor/github.com/spf13/cobra/bash_completions.md
+++ /dev/null
@@ -1,206 +0,0 @@
-# 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")
-}
-```
-
-`out.sh` will get you completions of subcommands and flags. Copy it to `/etc/bash_completion.d/` as described [here](https://debian-administration.org/article/316/An_introduction_to_bash_completion_part_1) and reset your terminal to use autocompletion. 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 = { "pod", "node", "service", "replicationcontroller" }
-
-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]
-node pod replicationcontroller service
-```
-
-## Plural form and shortcuts for nouns
-
-If your nouns have a number of aliases, you can define them alongside `ValidArgs` using `ArgAliases`:
-
-```go`
-argAliases []string = { "pods", "nodes", "services", "svc", "replicationcontrollers", "rc" }
-
-cmd := &cobra.Command{
- ...
- ValidArgs: validArgs,
- ArgAliases: argAliases
-}
-```
-
-The aliases are not shown to the user on tab completion, but they are accepted as valid nouns by
-the completion algorithm if entered manually, e.g. in:
-
-```bash
-# kubectl get rc [tab][tab]
-backend frontend database
-```
-
-Note that without declaring `rc` as an alias, the completion algorithm would show the list of nouns
-in this example again instead of the replication controllers.
-
-## 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.
-
-# Specifiy custom flag completion
-
-Similar to the filename completion and filtering using cobra.BashCompFilenameExt, you can specifiy
-a custom flag completion function with cobra.BashCompCustom:
-
-```go
- annotation := make(map[string][]string)
- annotation[cobra.BashCompFilenameExt] = []string{"__kubectl_get_namespaces"}
-
- flag := &pflag.Flag{
- Name: "namespace",
- Usage: usage,
- Annotations: annotation,
- }
- cmd.Flags().AddFlag(flag)
-```
-
-In addition add the `__handle_namespace_flag` implementation in the `BashCompletionFunction`
-value, e.g.:
-
-```bash
-__kubectl_get_namespaces()
-{
- local template
- template="{{ range .items }}{{ .metadata.name }} {{ end }}"
- local kubectl_out
- if kubectl_out=$(kubectl get -o template --template="${template}" namespace 2>/dev/null); then
- COMPREPLY=( $( compgen -W "${kubectl_out}[*]" -- "$cur" ) )
- fi
-}
-```
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-newtmgr/blob/9975ef7a/newtmgr/vendor/github.com/spf13/cobra/cobra.go
----------------------------------------------------------------------
diff --git a/newtmgr/vendor/github.com/spf13/cobra/cobra.go b/newtmgr/vendor/github.com/spf13/cobra/cobra.go
deleted file mode 100644
index 9605b98..0000000
--- a/newtmgr/vendor/github.com/spf13/cobra/cobra.go
+++ /dev/null
@@ -1,174 +0,0 @@
-// Copyright � 2013 Steve Francia <sp...@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{
- "trim": strings.TrimSpace,
- "trimRightSpace": trimRightSpace,
- "appendIfNotPresent": appendIfNotPresent,
- "rpad": rpad,
- "gt": Gt,
- "eq": Eq,
-}
-
-var initializers []func()
-
-// EnablePrefixMatching allows to set automatic prefix matching. Automatic prefix matching can be a dangerous thing
-// to automatically enable in CLI tools.
-// Set this to true to enable it.
-var EnablePrefixMatching = false
-
-// EnableCommandSorting controls sorting of the slice of commands, which is turned on by default.
-// To disable sorting, set it to false.
-var EnableCommandSorting = true
-
-// 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()) {
- initializers = append(initializers, y...)
-}
-
-// 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)
-}
-
-// appendIfNotPresent will append stringToAppend to the end of s, but only if it's not yet present in s.
-func appendIfNotPresent(s, stringToAppend string) string {
- if strings.Contains(s, stringToAppend) {
- return s
- }
- return s + " " + stringToAppend
-}
-
-// 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)]
-}