docker manifest rm command to remove manifest list draft from local storage

cli/command/manifest/cmd.go

@@ -27,6 +27,7 @@ func NewManifestCommand(dockerCli command.Cli) *cobra.Command {
 		newInspectCommand(dockerCli),
 		newAnnotateCommand(dockerCli),
 		newPushListCommand(dockerCli),
+		newRmManifestListCommand(dockerCli),
 	)
 	return cmd
 }

cli/command/manifest/rm.go

@@ -0,0 +1,47 @@
+package manifest
+
+import (
+	"strings"
+
+	"github.com/docker/cli/cli"
+	"github.com/docker/cli/cli/command"
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+)
+
+func newRmManifestListCommand(dockerCli command.Cli) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "rm MANIFEST_LIST [MANIFEST_LIST...]",
+		Short: "Delete one or more manifest lists from local storage",
+		Args:  cli.RequiresMinArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return runRm(dockerCli, args)
+		},
+	}
+
+	return cmd
+}
+
+func runRm(dockerCli command.Cli, targets []string) error {
+	var errs []string
+	for _, target := range targets {
+		targetRef, refErr := normalizeReference(target)
+		if refErr != nil {
+			errs = append(errs, refErr.Error())
+			continue
+		}
+		_, searchErr := dockerCli.ManifestStore().GetList(targetRef)
+		if searchErr != nil {
+			errs = append(errs, searchErr.Error())
+			continue
+		}
+		rmErr := dockerCli.ManifestStore().Remove(targetRef)
+		if rmErr != nil {
+			errs = append(errs, rmErr.Error())
+		}
+	}
+	if len(errs) > 0 {
+		return errors.New(strings.Join(errs, "\n"))
+	}
+	return nil
+}

cli/command/manifest/rm_test.go

@@ -0,0 +1,65 @@
+package manifest
+
+import (
+	"io/ioutil"
+	"testing"
+
+	"github.com/docker/cli/internal/test"
+	"gotest.tools/v3/assert"
+)
+
+// create two manifest lists and remove them both
+func TestRmSeveralManifests(t *testing.T) {
+	store, cleanup := newTempManifestStore(t)
+	defer cleanup()
+
+	cli := test.NewFakeCli(nil)
+	cli.SetManifestStore(store)
+
+	list1 := ref(t, "first:1")
+	namedRef := ref(t, "alpine:3.0")
+	err := store.Save(list1, namedRef, fullImageManifest(t, namedRef))
+	assert.NilError(t, err)
+	namedRef = ref(t, "alpine:3.1")
+	err = store.Save(list1, namedRef, fullImageManifest(t, namedRef))
+	assert.NilError(t, err)
+
+	list2 := ref(t, "second:2")
+	namedRef = ref(t, "alpine:3.2")
+	err = store.Save(list2, namedRef, fullImageManifest(t, namedRef))
+	assert.NilError(t, err)
+
+	cmd := newRmManifestListCommand(cli)
+	cmd.SetArgs([]string{"example.com/first:1", "example.com/second:2"})
+	cmd.SetOut(ioutil.Discard)
+	err = cmd.Execute()
+	assert.NilError(t, err)
+
+	_, search1 := cli.ManifestStore().GetList(list1)
+	_, search2 := cli.ManifestStore().GetList(list2)
+	assert.Error(t, search1, "No such manifest: example.com/first:1")
+	assert.Error(t, search2, "No such manifest: example.com/second:2")
+}
+
+// attempt to remove a manifest list which was never created
+func TestRmManifestNotCreated(t *testing.T) {
+	store, cleanup := newTempManifestStore(t)
+	defer cleanup()
+
+	cli := test.NewFakeCli(nil)
+	cli.SetManifestStore(store)
+
+	list2 := ref(t, "second:2")
+	namedRef := ref(t, "alpine:3.2")
+	err := store.Save(list2, namedRef, fullImageManifest(t, namedRef))
+	assert.NilError(t, err)
+
+	cmd := newRmManifestListCommand(cli)
+	cmd.SetArgs([]string{"example.com/first:1", "example.com/second:2"})
+	cmd.SetOut(ioutil.Discard)
+	err = cmd.Execute()
+	assert.Error(t, err, "No such manifest: example.com/first:1")
+
+	_, err = cli.ManifestStore().GetList(list2)
+	assert.Error(t, err, "No such manifest: example.com/second:2")
+}

contrib/completion/bash/docker

@@ -4128,6 +4128,7 @@ _docker_manifest() {
 		create
 		inspect
 		push
+		rm
 	"
 	__docker_subcommands "$subcommands" && return
 
@@ -4226,6 +4227,17 @@ _docker_manifest_push() {
 	esac
 }
 
+_docker_network_rm() {
+	case "$cur" in
+		-*)
+			COMPREPLY=( $( compgen -W "--help" -- "$cur" ) )
+			;;
+		*)
+			__docker_complete_images --force-tag --id
+			;;
+	esac
+}
+
 _docker_node() {
 	local subcommands="
 		demote