[28.x] remove remaining uses of DockerCli.ContentTrustEnabled

These were already replaced for stubs in master.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

cli/command/image/build.go

@@ -151,7 +151,7 @@ func newBuildCommand(dockerCli command.Cli) *cobra.Command {
 	flags.SetAnnotation("target", annotation.ExternalURL, []string{"https://docs.docker.com/reference/cli/docker/buildx/build/#target"})
 	flags.StringVar(&options.imageIDFile, "iidfile", "", "Write the image ID to the file")
 
-	flags.BoolVar(&options.untrusted, "disable-content-trust", !dockerCli.ContentTrustEnabled(), "Skip image verification")
+	flags.BoolVar(&options.untrusted, "disable-content-trust", !trust.Enabled(), "Skip image verification")
 
 	flags.StringVar(&options.platform, "platform", os.Getenv("DOCKER_DEFAULT_PLATFORM"), "Set platform if server is multi-platform capable")
 	flags.SetAnnotation("platform", "version", []string{"1.38"})

cli/command/plugin/install.go

@@ -8,6 +8,7 @@ import (
 	"github.com/docker/cli/cli"
 	"github.com/docker/cli/cli/command"
 	"github.com/docker/cli/cli/command/image"
+	"github.com/docker/cli/cli/trust"
 	"github.com/docker/cli/internal/jsonstream"
 	"github.com/docker/cli/internal/prompt"
 	"github.com/docker/cli/internal/registry"
@@ -28,9 +29,9 @@ type pluginOptions struct {
 	untrusted       bool
 }
 
-func loadPullFlags(dockerCli command.Cli, opts *pluginOptions, flags *pflag.FlagSet) {
+func loadPullFlags(opts *pluginOptions, flags *pflag.FlagSet) {
 	flags.BoolVar(&opts.grantPerms, "grant-all-permissions", false, "Grant all permissions necessary to run the plugin")
-	flags.BoolVar(&opts.untrusted, "disable-content-trust", !dockerCli.ContentTrustEnabled(), "Skip image verification")
+	flags.BoolVar(&opts.untrusted, "disable-content-trust", !trust.Enabled(), "Skip image verification")
 }
 
 func newInstallCommand(dockerCli command.Cli) *cobra.Command {
@@ -49,7 +50,7 @@ func newInstallCommand(dockerCli command.Cli) *cobra.Command {
 	}
 
 	flags := cmd.Flags()
-	loadPullFlags(dockerCli, &options, flags)
+	loadPullFlags(&options, flags)
 	flags.BoolVar(&options.disable, "disable", false, "Do not enable the plugin on install")
 	flags.StringVar(&options.localName, "alias", "", "Local name for plugin")
 	return cmd

cli/command/plugin/install_test.go

@@ -86,11 +86,12 @@ func TestInstallContentTrustErrors(t *testing.T) {
 
 	for _, tc := range testCases {
 		t.Run(tc.description, func(t *testing.T) {
+			t.Setenv("DOCKER_CONTENT_TRUST", "true")
 			cli := test.NewFakeCli(&fakeClient{
 				pluginInstallFunc: func(name string, options types.PluginInstallOptions) (io.ReadCloser, error) {
 					return nil, errors.New("should not try to install plugin")
 				},
-			}, test.EnableContentTrust)
+			})
 			cli.SetNotaryClient(tc.notaryFunc)
 			cmd := newInstallCommand(cli)
 			cmd.SetArgs(tc.args)

cli/command/plugin/push.go

@@ -33,7 +33,7 @@ func newPushCommand(dockerCli command.Cli) *cobra.Command {
 
 	flags := cmd.Flags()
 
-	flags.BoolVar(&opts.untrusted, "disable-content-trust", !dockerCli.ContentTrustEnabled(), "Skip image signing")
+	flags.BoolVar(&opts.untrusted, "disable-content-trust", !trust.Enabled(), "Skip image signing")
 
 	return cmd
 }

cli/command/plugin/upgrade.go

@@ -30,7 +30,7 @@ func newUpgradeCommand(dockerCli command.Cli) *cobra.Command {
 	}
 
 	flags := cmd.Flags()
-	loadPullFlags(dockerCli, &options, flags)
+	loadPullFlags(&options, flags)
 	flags.BoolVar(&options.skipRemoteCheck, "skip-remote-check", false, "Do not check if specified remote plugin matches existing plugin image")
 	return cmd
 }