Migrate to cobra CLI

We intend to migrate to the cobra cli from urfave/cli because the
project is more well maintained.  There are also some technical reasons
as well which extend into our remote client work.

Signed-off-by: baude <bbaude@redhat.com>

1 files changed, 34 insertions, 40 deletions

diff --git a/cmd/podman/volume_ls.go b/cmd/podman/volume_ls.go
index 0f94549ee..78fdfed64 100644
--- a/cmd/podman/volume_ls.go
+++ b/cmd/podman/volume_ls.go
@@ -4,11 +4,12 @@ import (
 	"reflect"
 	"strings"
 
+	"github.com/containers/libpod/cmd/podman/cliconfig"
 	"github.com/containers/libpod/cmd/podman/formats"
 	"github.com/containers/libpod/cmd/podman/libpodruntime"
 	"github.com/containers/libpod/libpod"
 	"github.com/pkg/errors"
-	"github.com/urfave/cli"
+	"github.com/spf13/cobra"
 )
 
 // volumeOptions is the "ls" command options
@@ -37,64 +38,57 @@ type volumeLsJSONParams struct {
 	Scope      string            `json:"scope"`
 }
 
-var volumeLsDescription = `
+var (
+	volumeLsCommand cliconfig.VolumeLsValues
+
+	volumeLsDescription = `
 podman volume ls
 
 List all available volumes. The output of the volumes can be filtered
 and the output format can be changed to JSON or a user specified Go template.
 `
+	_volumeLsCommand = &cobra.Command{
+		Use:     "ls",
+		Aliases: []string{"list"},
+		Short:   "List volumes",
+		Long:    volumeLsDescription,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			volumeLsCommand.InputArgs = args
+			volumeLsCommand.GlobalFlags = MainGlobalOpts
+			return volumeLsCmd(&volumeLsCommand)
+		},
+	}
+)
 
-var volumeLsFlags = []cli.Flag{
-	cli.StringFlag{
-		Name:  "filter, f",
-		Usage: "Filter volume output",
-	},
-	cli.StringFlag{
-		Name:  "format",
-		Usage: "Format volume output using Go template",
-		Value: "table {{.Driver}}\t{{.Name}}",
-	},
-	cli.BoolFlag{
-		Name:  "quiet, q",
-		Usage: "Print volume output in quiet mode",
-	},
-}
+func init() {
+	volumeLsCommand.Command = _volumeLsCommand
+	flags := volumeLsCommand.Flags()
 
-var volumeLsCommand = cli.Command{
-	Name:                   "ls",
-	Aliases:                []string{"list"},
-	Usage:                  "List volumes",
-	Description:            volumeLsDescription,
-	Flags:                  volumeLsFlags,
-	Action:                 volumeLsCmd,
-	SkipArgReorder:         true,
-	UseShortOptionHandling: true,
+	flags.StringVarP(&volumeLsCommand.Filter, "filter", "f", "", "Filter volume output")
+	flags.StringVar(&volumeLsCommand.Format, "format", "table {{.Driver}}\t{{.Name}}", "Format volume output using Go template")
+	flags.BoolVarP(&volumeLsCommand.Quiet, "quiet", "q", false, "Print volume output in quiet mode")
 }
 
-func volumeLsCmd(c *cli.Context) error {
-	if err := validateFlags(c, volumeLsFlags); err != nil {
-		return err
-	}
-
-	runtime, err := libpodruntime.GetRuntime(c)
+func volumeLsCmd(c *cliconfig.VolumeLsValues) error {
+	runtime, err := libpodruntime.GetRuntime(&c.PodmanCommand)
 	if err != nil {
 		return errors.Wrapf(err, "error creating libpod runtime")
 	}
 	defer runtime.Shutdown(false)
 
-	if len(c.Args()) > 0 {
+	if len(c.InputArgs) > 0 {
 		return errors.Errorf("too many arguments, ls takes no arguments")
 	}
 
 	opts := volumeLsOptions{
-		Quiet: c.Bool("quiet"),
+		Quiet: c.Quiet,
 	}
 	opts.Format = genVolLsFormat(c)
 
 	// Get the filter functions based on any filters set
 	var filterFuncs []libpod.VolumeFilter
-	if c.String("filter") != "" {
-		filters := strings.Split(c.String("filter"), ",")
+	if c.Filter != "" {
+		filters := strings.Split(c.Filter, ",")
 		for _, f := range filters {
 			filterSplit := strings.Split(f, "=")
 			if len(filterSplit) < 2 {
@@ -129,14 +123,14 @@ func volumeLsCmd(c *cli.Context) error {
 }
 
 // generate the template based on conditions given
-func genVolLsFormat(c *cli.Context) string {
+func genVolLsFormat(c *cliconfig.VolumeLsValues) string {
 	var format string
-	if c.String("format") != "" {
+	if c.Format != "" {
 		// "\t" from the command line is not being recognized as a tab
 		// replacing the string "\t" to a tab character if the user passes in "\t"
-		format = strings.Replace(c.String("format"), `\t`, "\t", -1)
+		format = strings.Replace(c.Format, `\t`, "\t", -1)
 	}
-	if c.Bool("quiet") {
+	if c.Quiet {
 		format = "{{.Name}}"
 	}
 	return format