Add kuberlr bin subcommand

This subcommand list all the kubectl binaries found on the system

cmd/kuberlr/bins.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/jedib0t/go-pretty/v6/table"
+	"github.com/jedib0t/go-pretty/v6/text"
+	"github.com/spf13/cobra"
+
+	versioner "github.com/flavio/kuberlr/internal/versioner"
+)
+
+func printBinTable(bins versioner.KubectlBinaries) {
+	t := table.NewWriter()
+	t.SetOutputMirror(os.Stdout)
+	t.AppendHeader(table.Row{"#", "Version", "Binary"})
+	for i, b := range bins {
+		t.AppendRow([]interface{}{i + 1, b.Version, b.Path})
+	}
+	t.Render()
+}
+
+// NewBinsCmd creates a new `kuberlr bins` cobra command
+func NewBinsCmd() *cobra.Command {
+	return &cobra.Command{
+		Use:   "bins",
+		Short: "Print information about the kubectl binaries found",
+		Run: func(cmd *cobra.Command, args []string) {
+			localCache := versioner.NewLocalCacheHandler()
+
+			systemBins, err := localCache.SystemKubectlBinaries()
+
+			fmt.Printf("%s\n", text.FgGreen.Sprint("system-wide kubectl binaries"))
+			if err != nil {
+				fmt.Printf("Error retrieving binaries: %v\n", err)
+			} else if len(systemBins) == 0 {
+				fmt.Println("No binaries found.")
+			} else {
+				printBinTable(systemBins)
+			}
+
+			fmt.Printf("\n\n")
+			localBins, err := localCache.LocalKubectlBinaries()
+
+			fmt.Printf("%s\n", text.FgGreen.Sprint("local kubectl binaries"))
+			if err != nil {
+				fmt.Printf("Error retrieving binaries: %v\n", err)
+			} else if len(localBins) == 0 {
+				fmt.Println("No binaries found.")
+			} else {
+				printBinTable(localBins)
+			}
+		},
+	}
+}

cmd/kuberlr/main.go

@@ -37,6 +37,7 @@ func newRootCmd() *cobra.Command {
 
 	cmd.AddCommand(
 		NewVersionCmd(),
+		NewBinsCmd(),
 	)
 
 	flags.RegisterVerboseFlag(cmd.PersistentFlags())