cli/command: remove dot-imports and unhandled errors

Please the linters in preparation of updating golangci-lint;

- remove dot-imports
- add some checks for unhandled errors
- replace some fixed-value variables for consts

    cli/command/image/build/context.go:238:17: G107: Potential HTTP request made with variable url (gosec)
        if resp, err = http.Get(url); err != nil {
                       ^
    cli/command/idresolver/idresolver_test.go:7:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/registry_test.go:7:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/cli/command" // Prevents a circular import with "github.com/docker/cli/internal/test"
        ^
    cli/command/task/print_test.go:11:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/swarm/update_test.go:10:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/swarm/unlock_key_test.go:9:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/swarm/join_token_test.go:9:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/node/list_test.go:9:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/node/promote_test.go:8:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/node/demote_test.go:8:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package functions
        ^
    cli/command/node/ps_test.go:11:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/node/update_test.go:8:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/node/inspect_test.go:9:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package functions
        ^
    cli/command/secret/ls_test.go:11:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/secret/inspect_test.go:11:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/volume/inspect_test.go:9:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/volume/list_test.go:9:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/config/inspect_test.go:11:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/config/ls_test.go:11:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/network/list_test.go:9:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders"
        ^
    cli/command/container/list_test.go:10:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/service/list_test.go:12:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders"
        ^
    cli/command/service/client_test.go:6:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/stack/list_test.go:8:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/stack/services_test.go:9:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^
    cli/command/stack/ps_test.go:10:2: dot-imports: should not use dot imports (revive)
        . "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
        ^

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 594aeb390a)
Signed-off-by: Cory Snider <csnider@mirantis.com>

cli/command/idresolver/idresolver_test.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"testing"
 
-	. "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
+	"github.com/docker/cli/internal/test/builders"
 	"github.com/docker/docker/api/types/swarm"
 	"github.com/pkg/errors"
 	"gotest.tools/v3/assert"
@@ -50,7 +50,7 @@ func TestResolveWithCache(t *testing.T) {
 	cli := &fakeClient{
 		nodeInspectFunc: func(nodeID string) (swarm.Node, []byte, error) {
 			inspectCounter++
-			return *Node(NodeName("node-foo")), []byte{}, nil
+			return *builders.Node(builders.NodeName("node-foo")), []byte{}, nil
 		},
 	}
 
@@ -82,14 +82,14 @@ func TestResolveNode(t *testing.T) {
 		{
 			nodeID: "nodeID",
 			nodeInspectFunc: func(string) (swarm.Node, []byte, error) {
-				return *Node(NodeName("node-foo")), []byte{}, nil
+				return *builders.Node(builders.NodeName("node-foo")), []byte{}, nil
 			},
 			expectedID: "node-foo",
 		},
 		{
 			nodeID: "nodeID",
 			nodeInspectFunc: func(string) (swarm.Node, []byte, error) {
-				return *Node(NodeName(""), Hostname("node-hostname")), []byte{}, nil
+				return *builders.Node(builders.NodeName(""), builders.Hostname("node-hostname")), []byte{}, nil
 			},
 			expectedID: "node-hostname",
 		},
@@ -124,7 +124,7 @@ func TestResolveService(t *testing.T) {
 		{
 			serviceID: "serviceID",
 			serviceInspectFunc: func(string) (swarm.Service, []byte, error) {
-				return *Service(ServiceName("service-foo")), []byte{}, nil
+				return *builders.Service(builders.ServiceName("service-foo")), []byte{}, nil
 			},
 			expectedID: "service-foo",
 		},