use cobra (#14)

README.md

@@ -80,7 +80,7 @@ kxd -l
 This command will display the currently set kubeconfig file.
 
 ```bash
-kxd -lc
+kxd -x
 ```
 
 This command will display the currently set Kubernetes Context.

go.mod

@@ -4,6 +4,7 @@ go 1.20
 
 require (
 	github.com/manifoldco/promptui v0.9.0
+	github.com/spf13/cobra v1.7.0
 	k8s.io/client-go v0.28.2
 )
 
@@ -15,6 +16,7 @@ require (
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/imdario/mergo v0.3.16 // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect

go.sum

@@ -7,6 +7,7 @@ github.com/chzyer/readline v1.5.1/go.mod h1:Eh+b79XXUwfKfcPLepksvw2tcLE/Ct21YObk
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/chzyer/test v1.0.0 h1:p3BQDXSxOhOG0P9z6/hGnII4LGiEPOYBhs8asl/fC04=
 github.com/chzyer/test v1.0.0/go.mod h1:2JlltgoNkt4TW/z9V/IzDdFaMTM2JPIi26O1pF38GC8=
+github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -33,6 +34,8 @@ github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/imdario/mergo v0.3.16 h1:wwQJbIsHYGMUyLSPrEq1CT16AhnhNJQ51+4fdHUnCl4=
 github.com/imdario/mergo v0.3.16/go.mod h1:WBLT9ZmE3lPoWsEzCh9LPo3TiwVN+ZKEjmz+hD27ysY=
+github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
+github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
 github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
@@ -49,6 +52,9 @@ github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjY
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/spf13/cobra v1.7.0 h1:hyqWnYt1ZQShIddO5kBpj3vu05/++x6tJ6dg8EC572I=
+github.com/spf13/cobra v1.7.0/go.mod h1:uLxZILRyS/50WlhOIKD7W6V5bgeIt+4sICxh6uRMrb0=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=

main.go

@@ -10,6 +10,7 @@ import (
 
 	"github.com/manifoldco/promptui"
 	"github.com/manifoldco/promptui/list"
+	"github.com/spf13/cobra"
 	"k8s.io/client-go/tools/clientcmd"
 	"k8s.io/client-go/tools/clientcmd/api"
 )
@@ -35,66 +36,53 @@ func main() {
 		log.Fatalf("Error getting user home directory: %v\n", err)
 	}
 
-	if len(os.Args) > 1 {
-		arg := strings.ToLower(os.Args[1])
-		switch arg {
-		case "-v", "--v", "version":
-			fmt.Println("kxd version:", version)
-		case "-c", "--c", "context":
-			err := runContextSwitcher(homeDir)
-			if err != nil {
-				log.Fatal(err)
+	var configFlag, contextFlag, listFlag, listContextFlag, versionFlag bool
+
+	rootCmd := &cobra.Command{
+		Use:   "kxd",
+		Short: "kxd - switch between Kubeconfigs and contexts.",
+		Run: func(cmd *cobra.Command, args []string) {
+			if versionFlag {
+				fmt.Println("kxd version:", version)
+			} else if configFlag {
+				err := runConfigSwitcher(homeDir)
+				if err != nil {
+					log.Fatal(err)
+				}
+			} else if contextFlag {
+				err := runContextSwitcher(homeDir)
+				if err != nil {
+					log.Fatal(err)
+				}
+			} else if listFlag {
+				err := runListConfig(homeDir)
+				if err != nil {
+					log.Fatal(err)
+				}
+			} else if listContextFlag {
+				err := runListContext(homeDir)
+				if err != nil {
+					log.Fatal(err)
+				}
+			} else {
+				err := runConfigSwitcher(homeDir)
+				if err != nil {
+					log.Fatal(err)
+				}
 			}
-		case "-l", "--l", "list":
-			err := runListConfig(homeDir)
-			if err != nil {
-				log.Fatal(err)
-			}
-		case "-lc", "--lc", "list-context":
-			err := runListContext(homeDir)
-			if err != nil {
-				log.Fatal(err)
-			}
-		case "-h", "--h", "help":
-			err := displayHelp()
-			if err != nil {
-				log.Fatal(err)
-			}
-		case "-s", "--s", "switch":
-			err := runConfigSwitcher(homeDir)
-			if err != nil {
-				log.Fatal(err)
-			}
-		default:
-			err := runConfigSwitcher(homeDir)
-			if err != nil {
-				log.Fatal(err)
-			}
-		}
-	} else {
-		err := runConfigSwitcher(homeDir)
-		if err != nil {
-			log.Fatal(err)
-		}
+		},
 	}
-}
 
-func displayHelp() error {
-	var helpMessage strings.Builder
-	options := map[string]string{
-		"      [-s]  ": "Switch configs.",
-		"       -c   ": "Switch contexts.",
-		"       -l   ": "List current config.",
-		"       -lc  ": "List current context.",
-		"       -h   ": "Help. Displays this message.",
-		"       -v   ": "Displays version.",
-	}
-	helpMessage.WriteString("Usage: kxd [OPERATION]\n")
-	for option, description := range options {
-		helpMessage.WriteString(fmt.Sprintf("  %s: %s\n", option, description))
+	rootCmd.PersistentFlags().BoolVarP(&configFlag, "switch", "s", false, "Switch configs")
+	rootCmd.PersistentFlags().BoolVarP(&contextFlag, "context", "c", false, "Switch contexts")
+	rootCmd.PersistentFlags().BoolVarP(&listFlag, "list", "l", false, "List current config")
+	rootCmd.PersistentFlags().BoolVarP(&listContextFlag, "list-context", "x", false, "List current context")
+	rootCmd.PersistentFlags().BoolVarP(&versionFlag, "version", "v", false, "Displays version")
+
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
 	}
-	fmt.Println(helpMessage.String())
-	return nil
 }
 
 func runListConfig(homeDir string) error {

scripts/_kxd

@@ -1,27 +1,27 @@
 #!/usr/bin/env bash
 
 run_context() {
-  _kxd_prompt context
+  _kxd_prompt --context
   return
 }
 
 run_list_context() {
-  _kxd_prompt list-context
+  _kxd_prompt --list-context
   return
 }
 
 run_list_config() {
-  _kxd_prompt list
+  _kxd_prompt --list
   return
 }
 
 display_help() {
-  _kxd_prompt help
+  _kxd_prompt --help
   return
 }
 
 display_version() {
-  _kxd_prompt version
+  _kxd_prompt --version
   return
 }
 
@@ -40,22 +40,22 @@ run_main() {
 arg=$(echo "$1" | tr '[:upper:]' '[:lower:]')
 
 case "$arg" in
-  -c|--c|context)
+  -c|--context)
     run_context
     ;;
-  -l|--l|list)
+  -l|--list)
     run_list_config
     ;;
-  -lc|--lc|list-context)
+  -x|--list-context)
     run_list_context
     ;;
-  -h|--h|help)
+  -h|--help)
     display_help
     ;;
-  -s|--s|switch)
+  -s|--switch)
     run_main
     ;;
-  -v|--v|version)
+  -v|--version)
     display_version
     ;;
   *)