trivial cleanups from golang

the results of a code cleanup performed by the goland IDE.

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

cmd/podman/build.go

@@ -62,7 +62,7 @@ func init() {
 	layerFlags := buildahcli.GetLayerFlags(&layerValues)
 	flag = layerFlags.Lookup("layers")
 	flag.Value.Set(useLayers())
-	flag.DefValue = (useLayers())
+	flag.DefValue = useLayers()
 	flag = layerFlags.Lookup("force-rm")
 	flag.Value.Set("true")
 	flag.DefValue = "true"

cmd/podman/cp.go

@@ -86,7 +86,7 @@ func copyBetweenHostAndContainer(runtime *libpod.Runtime, src string, dest strin
 		return errors.Errorf("invalid arguments %s, %s you must specify paths", src, dest)
 	}
 	ctr := srcCtr
-	isFromHostToCtr := (ctr == nil)
+	isFromHostToCtr := ctr == nil
 	if isFromHostToCtr {
 		ctr = destCtr
 	}
@@ -307,7 +307,7 @@ func copy(src, destPath, dest string, idMappingOpts storage.IDMappingOptions, ch
 	if err != nil && !os.IsNotExist(err) {
 		return errors.Wrapf(err, "error checking directory %q", destdir)
 	}
-	destDirIsExist := (err == nil)
+	destDirIsExist := err == nil
 	if err = os.MkdirAll(destdir, 0755); err != nil {
 		return errors.Wrapf(err, "error creating directory %q", destdir)
 	}

cmd/podman/history.go

@@ -154,7 +154,7 @@ func getHistoryTemplateOutput(history []*image.History, opts historyOptions) (hi
 		}
 
 		if opts.human {
-			createdTime = units.HumanDuration(time.Since((*hist.Created))) + " ago"
+			createdTime = units.HumanDuration(time.Since(*hist.Created)) + " ago"
 			outputSize = units.HumanSize(float64(hist.Size))
 		} else {
 			createdTime = (hist.Created).Format(time.RFC3339)

cmd/podman/images.go

@@ -280,7 +280,7 @@ func getImagesTemplateOutput(ctx context.Context, images []*adapter.ContainerIma
 					ID:          imageID,
 					Digest:      img.Digest(),
 					CreatedTime: createdTime,
-					Created:     units.HumanDuration(time.Since((createdTime))) + " ago",
+					Created:     units.HumanDuration(time.Since(createdTime)) + " ago",
 					Size:        sizeStr,
 				}
 				imagesOutput = append(imagesOutput, params)

cmd/podman/pod_kill.go

@@ -55,7 +55,7 @@ func podKillCmd(c *cliconfig.PodKillValues) error {
 	}
 	defer runtime.Shutdown(false)
 
-	var killSignal uint = uint(syscall.SIGTERM)
+	killSignal := uint(syscall.SIGTERM)
 
 	if c.Signal != "" {
 		// Check if the signalString provided by the user is valid

cmd/podman/pod_stats.go

@@ -271,7 +271,7 @@ func printPSFormat(format string, stats []*podStatOut, headerNames map[string]st
 
 func outputToStdOut(stats []*podStatOut) {
 	w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
-	outFormat := ("%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\n")
+	outFormat := "%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\n"
 	fmt.Fprintf(w, outFormat, "POD", "CID", "NAME", "CPU %", "MEM USAGE/ LIMIT", "MEM %", "NET IO", "BLOCK IO", "PIDS")
 	for _, i := range stats {
 		if len(stats) == 0 {

cmd/podman/pull.go

@@ -14,7 +14,7 @@ import (
 	"github.com/containers/libpod/libpod/image"
 	"github.com/containers/libpod/pkg/adapter"
 	"github.com/containers/libpod/pkg/util"
-	opentracing "github.com/opentracing/opentracing-go"
+	"github.com/opentracing/opentracing-go"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"

cmd/podman/run.go

@@ -3,7 +3,7 @@ package main
 import (
 	"github.com/containers/libpod/cmd/podman/cliconfig"
 	"github.com/containers/libpod/pkg/adapter"
-	opentracing "github.com/opentracing/opentracing-go"
+	"github.com/opentracing/opentracing-go"
 	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
 )

cmd/podman/shared/container.go

@@ -279,8 +279,8 @@ func generateContainerFilterFuncs(filter, filterValue string, r *libpod.Runtime)
 			return strings.Contains(c.ID(), filterValue)
 		}, nil
 	case "label":
-		var filterArray []string = strings.SplitN(filterValue, "=", 2)
+		var filterArray = strings.SplitN(filterValue, "=", 2)
-		var filterKey string = filterArray[0]
+		var filterKey = filterArray[0]
 		if len(filterArray) > 1 {
 			filterValue = filterArray[1]
 		} else {

cmd/podman/shared/container_inspect.go

@@ -4,7 +4,7 @@ import (
 	"github.com/containers/libpod/libpod"
 	cc "github.com/containers/libpod/pkg/spec"
 	"github.com/docker/go-connections/nat"
-	specs "github.com/opencontainers/runtime-spec/specs-go"
+	"github.com/opencontainers/runtime-spec/specs-go"
 )
 
 // InspectContainer holds all inspect data for a container.

cmd/podman/tree.go

@@ -127,7 +127,7 @@ func printImageChildren(layerMap map[string]*image.LayerInfo, layerID string, pr
 	}
 	fmt.Printf("%sID: %s Size: %7v%s\n", intend, ll.ID[:12], units.HumanSizeWithPrecision(float64(ll.Size), 4), tags)
 	for count, childID := range ll.ChildID {
-		if err := printImageChildren(layerMap, childID, prefix, (count == len(ll.ChildID)-1)); err != nil {
+		if err := printImageChildren(layerMap, childID, prefix, count == len(ll.ChildID)-1); err != nil {
 			return err
 		}
 	}

libpod/container_internal.go

@@ -610,7 +610,7 @@ func (c *Container) isStopped() (bool, error) {
 	if err != nil {
 		return true, err
 	}
-	return (c.state.State != define.ContainerStateRunning && c.state.State != define.ContainerStatePaused), nil
+	return c.state.State != define.ContainerStateRunning && c.state.State != define.ContainerStatePaused, nil
 }
 
 // save container state to the database

libpod/image/pull.go

@@ -19,8 +19,8 @@ import (
 	"github.com/containers/image/types"
 	"github.com/containers/libpod/libpod/events"
 	"github.com/containers/libpod/pkg/registries"
-	multierror "github.com/hashicorp/go-multierror"
+	"github.com/hashicorp/go-multierror"
-	opentracing "github.com/opentracing/opentracing-go"
+	"github.com/opentracing/opentracing-go"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 )

libpod/lock/shm/shm_lock.go

@@ -22,7 +22,7 @@ var (
 	// BitmapSize is the size of the bitmap used when managing SHM locks.
 	// an SHM lock manager's max locks will be rounded up to a multiple of
 	// this number.
-	BitmapSize uint32 = uint32(C.bitmap_size_c)
+	BitmapSize = uint32(C.bitmap_size_c)
 )
 
 // SHMLocks is a struct enabling POSIX semaphore locking in a shared memory

pkg/hooks/0.1.0/hook.go

@@ -6,7 +6,7 @@ import (
 	"errors"
 	"strings"
 
-	hooks "github.com/containers/libpod/pkg/hooks"
+	"github.com/containers/libpod/pkg/hooks"
 	current "github.com/containers/libpod/pkg/hooks/1.0.0"
 	rspec "github.com/opencontainers/runtime-spec/specs-go"
 )

pkg/hooks/1.0.0/when_test.go

@@ -30,7 +30,7 @@ func TestAlways(t *testing.T) {
 	for _, always := range []bool{true, false} {
 		for _, or := range []bool{true, false} {
 			for _, process := range []*rspec.Process{processStruct, nil} {
-				t.Run(fmt.Sprintf("always %t, or %t, has process %t", always, or, (process != nil)), func(t *testing.T) {
+				t.Run(fmt.Sprintf("always %t, or %t, has process %t", always, or, process != nil), func(t *testing.T) {
 					config.Process = process
 					when := When{Always: &always, Or: or}
 					match, err := when.Match(config, map[string]string{}, false)

pkg/logs/logs.go

@@ -135,7 +135,7 @@ func parseCRILog(log []byte, msg *logMessage) error {
 	}
 	// Keep this forward compatible.
 	tags := bytes.Split(log[:idx], tagDelimiter)
-	partial := (LogTag(tags[0]) == LogTagPartial)
+	partial := LogTag(tags[0]) == LogTagPartial
 	// Trim the tailing new line if this is a partial line.
 	if partial && len(log) > 0 && log[len(log)-1] == '\n' {
 		log = log[:len(log)-1]

pkg/rootless/rootless_linux.go

@@ -215,7 +215,7 @@ func EnableLinger() (string, error) {
 
 	// If we have a D-BUS connection, attempt to read the LINGER property from it.
 	if conn != nil {
-		path := dbus.ObjectPath((fmt.Sprintf("/org/freedesktop/login1/user/_%s", uid)))
+		path := dbus.ObjectPath(fmt.Sprintf("/org/freedesktop/login1/user/_%s", uid))
 		ret, err := conn.Object("org.freedesktop.login1", path).GetProperty("org.freedesktop.login1.User.Linger")
 		if err == nil && ret.Value().(bool) {
 			lingerEnabled = true
@@ -265,7 +265,7 @@ func EnableLinger() (string, error) {
 
 	// If we have a D-BUS connection, attempt to read the RUNTIME PATH from it.
 	if conn != nil {
-		path := dbus.ObjectPath((fmt.Sprintf("/org/freedesktop/login1/user/_%s", uid)))
+		path := dbus.ObjectPath(fmt.Sprintf("/org/freedesktop/login1/user/_%s", uid))
 		ret, err := conn.Object("org.freedesktop.login1", path).GetProperty("org.freedesktop.login1.User.RuntimePath")
 		if err == nil {
 			return strings.Trim(ret.String(), "\"\n"), nil

pkg/sysinfo/sysinfo_test.go

@@ -20,7 +20,7 @@ func TestIsCpusetListAvailable(t *testing.T) {
 	for _, c := range cases {
 		r, err := isCpusetListAvailable(c.provided, c.available)
 		if (c.err && err == nil) && r != c.res {
-			t.Fatalf("Expected pair: %v, %v for %s, %s. Got %v, %v instead", c.res, c.err, c.provided, c.available, (c.err && err == nil), r)
+			t.Fatalf("Expected pair: %v, %v for %s, %s. Got %v, %v instead", c.res, c.err, c.provided, c.available, c.err && err == nil, r)
 		}
 	}
 }

pkg/tracing/tracing.go

@@ -4,9 +4,9 @@ import (
 	"fmt"
 	"io"
 
-	opentracing "github.com/opentracing/opentracing-go"
+	"github.com/opentracing/opentracing-go"
-	jaeger "github.com/uber/jaeger-client-go"
+	"github.com/uber/jaeger-client-go"
-	config "github.com/uber/jaeger-client-go/config"
+	"github.com/uber/jaeger-client-go/config"
 )
 
 // Init returns an instance of Jaeger Tracer that samples 100% of traces and logs all spans to stdout.

pkg/trust/trust.go

@@ -14,7 +14,7 @@ import (
 	"github.com/containers/image/types"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
-	yaml "gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v2"
 )
 
 // PolicyContent struct for policy.json file