ctr: snapshot->snapshots cmd, add aliases

Signed-off-by: Jess Valarezo <valarezo.jessica@gmail.com>

cmd/ctr/commands/containers/containers.go

@@ -18,7 +18,7 @@ import (
 var Command = cli.Command{
 	Name:    "containers",
 	Usage:   "manage containers",
-	Aliases: []string{"c"},
+	Aliases: []string{"c", "container"},
 	Subcommands: []cli.Command{
 		deleteCommand,
 		infoCommand,

cmd/ctr/commands/events/events.go

@@ -16,6 +16,7 @@ import (
 // Command is the cli command for displaying containerd events
 var Command = cli.Command{
 	Name:    "events",
+	Aliases: []string{"event"},
 	Usage:   "display containerd events",
 	Action: func(context *cli.Context) error {
 		client, ctx, cancel, err := commands.NewClient(context)

cmd/ctr/commands/images/images.go

@@ -20,6 +20,7 @@ import (
 // Command is the cli command for managing images
 var Command = cli.Command{
 	Name:    "images",
+	Aliases: []string{"image"},
 	Usage:   "manage images",
 	Subcommands: cli.Commands{
 		checkCommand,

cmd/ctr/commands/namespaces/namespaces.go

@@ -17,6 +17,7 @@ import (
 // Command is the cli command for managing namespaces
 var Command = cli.Command{
 	Name:    "namespaces",
+	Aliases: []string{"namespace"},
 	Usage:   "manage namespaces",
 	Subcommands: cli.Commands{
 		createCommand,

cmd/ctr/commands/plugins/plugins.go

@@ -19,6 +19,7 @@ import (
 // Command is a cli command that outputs plugin information
 var Command = cli.Command{
 	Name:    "plugins",
+	Aliases: []string{"plugin"},
 	Usage:   "provides information about containerd plugins",
 	Flags: []cli.Flag{
 		cli.BoolFlag{

cmd/ctr/commands/snapshots/snapshots.go

@@ -1,4 +1,4 @@
-package snapshot
+package snapshots
 
 import (
 	gocontext "context"
@@ -19,7 +19,8 @@ import (
 
 // Command is the cli command for managing snapshots
 var Command = cli.Command{
-	Name:  "snapshot",
+	Name:    "snapshots",
+	Aliases: []string{"snapshot"},
 	Usage:   "manage snapshots",
 	Flags:   commands.SnapshotterFlags,
 	Subcommands: cli.Commands{

cmd/ctr/commands/tasks/tasks.go

@@ -14,7 +14,7 @@ type resizer interface {
 var Command = cli.Command{
 	Name:    "tasks",
 	Usage:   "manage tasks",
-	Aliases: []string{"t"},
+	Aliases: []string{"t", "task"},
 	Subcommands: []cli.Command{
 		attachCommand,
 		checkpointCommand,

cmd/ctr/main.go

@@ -14,7 +14,7 @@ import (
 	"github.com/containerd/containerd/cmd/ctr/commands/plugins"
 	"github.com/containerd/containerd/cmd/ctr/commands/pprof"
 	"github.com/containerd/containerd/cmd/ctr/commands/run"
-	"github.com/containerd/containerd/cmd/ctr/commands/snapshot"
+	"github.com/containerd/containerd/cmd/ctr/commands/snapshots"
 	"github.com/containerd/containerd/cmd/ctr/commands/tasks"
 	versionCmd "github.com/containerd/containerd/cmd/ctr/commands/version"
 	"github.com/containerd/containerd/defaults"
@@ -84,7 +84,7 @@ containerd CLI
 		namespacesCmd.Command,
 		pprof.Command,
 		run.Command,
-		snapshot.Command,
+		snapshots.Command,
 		tasks.Command,
 	}, extraCmds...)
 	app.Before = func(context *cli.Context) error {