Added prune and hello world commands

commands/hello.go

@@ -0,0 +1,27 @@
+package commands
+
+import (
+	"fmt"
+
+	"github.com/docker/buildx/version"
+	"github.com/docker/cli/cli"
+	"github.com/docker/cli/cli/command"
+	"github.com/spf13/cobra"
+)
+
+func runHelloWorld(dockerCli command.Cli) error {
+	fmt.Println("hello world")
+	return nil
+}
+
+func helloCmd(dockerCli command.Cli) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "hello",
+		Short: "I think this is how cmds are added ",
+		Args:  cli.ExactArgs(0),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return runHelloWorld(dockerCli)
+		},
+	}
+	return cmd
+}

commands/prune.go

@@ -0,0 +1,51 @@
+// Command used for prune
+package commands
+
+import "fmt"
+import "github.com/docker/cli/cli/command"
+
+func pruneCmd(dockerCli command.Cli) *cobra.Command {
+	fmt.Println("ASDF - pruneCmd")
+
+	cmd := &cobra.Command{
+		Use: "docker buildx prune"
+		Short: "Cleans up the build cache"
+		Args: cli.NoArgs
+		RunE: func(cmd *cobra.Command, args []string) error {
+			spaceReclaimed, output, err := runPrune(dockerCli, options)
+			if err != nil {
+				return err
+			}
+
+			if output != "" {
+				fmt.Fprintln(dockerCli.Out(), output)
+			}
+			fmt.Fprintln(dockerCli.Out(), "Total reclaimed space:", units.HumanSize(float64(spaceReclaimed)))
+			return nil
+
+		},
+		Annotations: map[string]string{"version": "1.00"},
+	}
+
+	// ToDo: Uncomment and test this out once we get the base feature working
+	//flags := cmd.Flags()
+	//flags.BoolVarP(&options.force, "force", "f", false, "Do not prompt for confirmation")
+	//flags.Var(&options.filter, "filter", "Provide filter values (e.g. 'until=<timestamp>')")
+
+	const (
+		normalWarning   = `WARNING! This will remove all dangling build cache. Are you sure you want to continue?`
+		allCacheWarning = `WARNING! This will remove all build cache. Are you sure you want to continue?`
+	)
+
+	return cmd
+
+}
+
+
+func runPrune(dockerCli command.Cli, options pruneOptions) (spaceReclaimed uint64, output string, err error) {
+	fmt.Println("ASDF runPrune - Hello world")
+
+	// ToDo: Implement this function
+
+	return 0, "Not implemented", nil
+}

commands/root.go

@@ -35,6 +35,8 @@ func addCommands(cmd *cobra.Command, dockerCli command.Cli) {
 		installCmd(dockerCli),
 		uninstallCmd(dockerCli),
 		versionCmd(dockerCli),
+		helloCmd(dockerCli),
+		pruneCmd(dockerCli),
 		imagetoolscmd.RootCmd(dockerCli),
 	)
 }