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Use the golint linter and fix the reported problems.

[NO TESTS NEEDED]

Signed-off-by: Paul Holzinger <paul.holzinger@web.de>

libpod/container_exec.go

@@ -78,11 +78,11 @@ type ExecConfig struct {
 type ExecSession struct {
 	// Id is the ID of the exec session.
 	// Named somewhat strangely to not conflict with ID().
-	// nolint:stylecheck
+	// nolint:stylecheck,golint
 	Id string `json:"id"`
 	// ContainerId is the ID of the container this exec session belongs to.
 	// Named somewhat strangely to not conflict with ContainerID().
-	// nolint:stylecheck
+	// nolint:stylecheck,golint
 	ContainerId string `json:"containerId"`
 
 	// State is the state of the exec session.

libpod/container_internal.go

@@ -266,7 +266,7 @@ func (c *Container) handleRestartPolicy(ctx context.Context) (_ bool, retErr err
 	c.newContainerEvent(events.Restart)
 
 	// Increment restart count
-	c.state.RestartCount += 1
+	c.state.RestartCount++
 	logrus.Debugf("Container %s now on retry %d", c.ID(), c.state.RestartCount)
 	if err := c.save(); err != nil {
 		return false, err

libpod/healthcheck.go

@@ -190,7 +190,7 @@ func (c *Container) updateHealthCheckLog(hcl define.HealthCheckLog, inStartPerio
 		}
 		if !inStartPeriod {
 			// increment failing streak
-			healthCheck.FailingStreak += 1
+			healthCheck.FailingStreak++
 			// if failing streak > retries, then status to unhealthy
 			if healthCheck.FailingStreak >= c.HealthCheckConfig().Retries {
 				healthCheck.Status = define.HealthCheckUnhealthy

libpod/image/utils.go

@@ -75,9 +75,8 @@ func findImageInRepotags(search imageParts, images []*Image) (*storage.Image, er
 		}
 		if rwImageCnt > 1 {
 			return nil, errors.Wrapf(define.ErrMultipleImages, "found multiple read/write images %s", strings.Join(keys, ","))
-		} else {
-			return nil, errors.Wrapf(define.ErrMultipleImages, "found multiple read/only images %s", strings.Join(keys, ","))
 		}
+		return nil, errors.Wrapf(define.ErrMultipleImages, "found multiple read/only images %s", strings.Join(keys, ","))
 	}
 	return candidates[0].image.image, nil
 }

libpod/info.go

@@ -222,11 +222,11 @@ func (r *Runtime) getContainerStoreInfo() (define.ContainerStore, error) {
 		}
 		switch state {
 		case define.ContainerStateRunning:
-			running += 1
+			running++
 		case define.ContainerStatePaused:
-			paused += 1
+			paused++
 		default:
-			stopped += 1
+			stopped++
 		}
 	}
 	cs.Paused = paused

libpod/networking_linux.go

@@ -480,9 +480,8 @@ func (r *Runtime) setupSlirp4netns(ctr *Container) error {
 	if havePortMapping {
 		if isSlirpHostForward {
 			return r.setupRootlessPortMappingViaSlirp(ctr, cmd, apiSocket)
-		} else {
-			return r.setupRootlessPortMappingViaRLK(ctr, netnsPath)
 		}
+		return r.setupRootlessPortMappingViaRLK(ctr, netnsPath)
 	}
 	return nil
 }

libpod/plugin/volume_api.go

@@ -241,9 +241,8 @@ func (p *VolumePlugin) makeErrorResponse(err, endpoint, volName string) error {
 	}
 	if volName != "" {
 		return errors.Wrapf(errors.New(err), "error on %s on volume %s in volume plugin %s", endpoint, volName, p.Name)
-	} else {
-		return errors.Wrapf(errors.New(err), "error on %s in volume plugin %s", endpoint, p.Name)
 	}
+	return errors.Wrapf(errors.New(err), "error on %s in volume plugin %s", endpoint, p.Name)
 }
 
 // Handle error responses from plugin

libpod/runtime_img.go

@@ -313,9 +313,8 @@ func (r *Runtime) LoadImageFromSingleImageArchive(ctx context.Context, writer io
 		if err == nil && src != nil {
 			if newImages, err := r.ImageRuntime().LoadFromArchiveReference(ctx, src, signaturePolicy, writer); err == nil {
 				return getImageNames(newImages), nil
-			} else {
-				saveErr = err
 			}
+			saveErr = err
 		}
 	}
 	return "", errors.Wrapf(saveErr, "error pulling image")

libpod/volume_internal_linux.go

@@ -45,7 +45,7 @@ func (v *Volume) mount() error {
 	// If the count is non-zero, the volume is already mounted.
 	// Nothing to do.
 	if v.state.MountCount > 0 {
-		v.state.MountCount += 1
+		v.state.MountCount++
 		logrus.Debugf("Volume %s mount count now at %d", v.Name(), v.state.MountCount)
 		return v.save()
 	}
@@ -67,7 +67,7 @@ func (v *Volume) mount() error {
 			return err
 		}
 
-		v.state.MountCount += 1
+		v.state.MountCount++
 		v.state.MountPoint = mountPoint
 		return v.save()
 	}
@@ -109,7 +109,7 @@ func (v *Volume) mount() error {
 	logrus.Debugf("Mounted volume %s", v.Name())
 
 	// Increment the mount counter
-	v.state.MountCount += 1
+	v.state.MountCount++
 	logrus.Debugf("Volume %s mount count now at %d", v.Name(), v.state.MountCount)
 	return v.save()
 }
@@ -152,7 +152,7 @@ func (v *Volume) unmount(force bool) error {
 	}
 
 	if !force {
-		v.state.MountCount -= 1
+		v.state.MountCount--
 	} else {
 		v.state.MountCount = 0
 	}