golint: Fix lint offences

builder/parallels/common/artifact.go

@@ -9,7 +9,7 @@ import (
 	"github.com/mitchellh/packer/packer"
 )
 
-// This is the common builder ID to all of these artifacts.
+// BuilderId is the common builder ID to all of these artifacts.
 const BuilderId = "packer.parallels"
 
 // These are the extensions of files and directories that are unnecessary for the function

builder/parallels/common/driver.go

@@ -9,7 +9,7 @@ import (
 	"strings"
 )
 
-// A driver is able to talk to Parallels and perform certain
+// Driver is the interface that talks to Parallels and performs certain
 // operations with it. Some of the operations on here may seem overly
 // specific, but they were built specifically in mind to handle features
 // of the Parallels builder for Packer, and to abstract differences in

builder/parallels/common/driver_11.go

@@ -24,13 +24,12 @@ func (d *Parallels11Driver) Verify() error {
 	if matches == nil {
 		return fmt.Errorf(
 			"Could not determine your Parallels Desktop edition using: %s info --license", d.PrlsrvctlPath)
-	} else {
-		switch matches[1] {
-		case "pro", "business":
-			break
-		default:
-			return fmt.Errorf("Packer can be used only with Parallels Desktop 11 Pro or Business edition. You use: %s edition", matches[1])
-		}
+	}
+	switch matches[1] {
+	case "pro", "business":
+		break
+	default:
+		return fmt.Errorf("Packer can be used only with Parallels Desktop 11 Pro or Business edition. You use: %s edition", matches[1])
 	}
 
 	return nil

builder/parallels/common/host_ip.go

@@ -1,6 +1,6 @@
 package common
 
-// Interface to help find the host IP that is available from within
+// HostIPFinder allows to find the host IP that is available from within
 // the Parallels virtual machines.
 type HostIPFinder interface {
 	HostIP() (string, error)

builder/parallels/common/host_ip_ifconfig.go

@@ -50,5 +50,5 @@ func (f *IfconfigIPFinder) HostIP() (string, error) {
 			}
 		}
 	}
-	return "", errors.New("IP not found in ifconfig output...")
+	return "", errors.New("IP not found in ifconfig output")
 }

builder/parallels/common/step_attach_floppy.go

@@ -8,7 +8,7 @@ import (
 	"github.com/mitchellh/packer/packer"
 )
 
-// This step attaches a floppy to the virtual machine.
+// StepAttachFloppy is a step that attaches a floppy to the virtual machine.
 //
 // Uses:
 //   driver Driver

builder/parallels/common/step_attach_parallels_tools.go

@@ -8,8 +8,8 @@ import (
 	"github.com/mitchellh/packer/packer"
 )
 
-// This step attaches the Parallels Tools as an inserted CD onto
-// the virtual machine.
+// StepAttachParallelsTools is a step that attaches Parallels Tools ISO image
+// as an inserted CD onto the virtual machine.
 //
 // Uses:
 //   driver Driver

builder/parallels/common/step_compact_disk.go

@@ -7,8 +7,8 @@ import (
 	"github.com/mitchellh/packer/packer"
 )
 
-// This step removes all empty blocks from expanding Parallels virtual disks
-// and reduces the result disk size
+// StepCompactDisk is a step that removes all empty blocks from expanding
+// Parallels virtual disks and reduces the result disk size
 //
 // Uses:
 //   driver Driver

builder/parallels/common/step_prepare_parallels_tools.go

@@ -7,7 +7,8 @@ import (
 	"github.com/mitchellh/multistep"
 )
 
-// This step prepares parameters related to Parallels Tools.
+// StepPrepareParallelsTools is a step that prepares parameters related
+// to Parallels Tools.
 //
 // Uses:
 //   driver Driver

builder/parallels/common/step_prlctl.go

@@ -13,8 +13,8 @@ type commandTemplate struct {
 	Name string
 }
 
-// This step executes additional prlctl commands as specified by the
-// template.
+// StepPrlctl is a step that executes additional prlctl commands as specified
+// by the template.
 //
 // Uses:
 //   driver Driver

builder/parallels/common/step_run.go

@@ -8,7 +8,7 @@ import (
 	"github.com/mitchellh/packer/packer"
 )
 
-// This step starts the virtual machine.
+// StepRun is a step that starts the virtual machine.
 //
 // Uses:
 //   driver Driver

builder/parallels/common/step_shutdown.go

@@ -10,8 +10,8 @@ import (
 	"github.com/mitchellh/packer/packer"
 )
 
-// This step shuts down the machine. It first attempts to do so gracefully,
-// but ultimately forcefully shuts it down if that fails.
+// StepShutdown is a step that shuts down the machine. It first attempts to do
+// so gracefully, but ultimately forcefully shuts it down if that fails.
 //
 // Uses:
 //   communicator packer.Communicator

builder/parallels/common/step_type_boot_command.go

@@ -19,8 +19,8 @@ type bootCommandTemplateData struct {
 	Name     string
 }
 
-// This step "types" the boot command into the VM via the prltype script, built on the
-// Parallels Virtualization SDK - Python API.
+// StepTypeBootCommand is a step that "types" the boot command into the VM via
+// the prltype script, built on the Parallels Virtualization SDK - Python API.
 //
 // Uses:
 //   driver Driver
@@ -48,7 +48,7 @@ func (s *StepTypeBootCommand) Run(state multistep.StateBag) multistep.StepAction
 		pauseFn = state.Get("pauseFn").(multistep.DebugPauseFn)
 	}
 
-	hostIp := "0.0.0.0"
+	hostIP := "0.0.0.0"
 
 	if len(s.HostInterfaces) > 0 {
 		// Determine the host IP
@@ -61,13 +61,13 @@ func (s *StepTypeBootCommand) Run(state multistep.StateBag) multistep.StepAction
 			ui.Error(err.Error())
 			return multistep.ActionHalt
 		}
-		hostIp = ip
+		hostIP = ip
 	}
 
-	ui.Say(fmt.Sprintf("Host IP for the Parallels machine: %s", hostIp))
+	ui.Say(fmt.Sprintf("Host IP for the Parallels machine: %s", hostIP))
 
 	s.Ctx.Data = &bootCommandTemplateData{
-		hostIp,
+		hostIP,
 		httpPort,
 		s.VMName,
 	}
@@ -206,12 +206,12 @@ func scancodes(message string) []string {
 
 	scancodeMap := make(map[rune]uint)
 	for chars, start := range scancodeIndex {
-		var i uint = 0
+		var i uint
 		for len(chars) > 0 {
 			r, size := utf8.DecodeRuneInString(chars)
 			chars = chars[size:]
 			scancodeMap[r] = start + i
-			i += 1
+			i++
 		}
 	}
 

builder/parallels/common/step_upload_parallels_tools.go

@@ -22,7 +22,13 @@ type toolsPathTemplate struct {
 	Flavor string
 }
 
-// This step uploads the guest additions ISO to the VM.
+// StepUploadParallelsTools is a step that uploads the Parallels Tools ISO
+// to the VM.
+//
+// Uses:
+//   communicator packer.Communicator
+//   parallels_tools_path string
+//   ui packer.Ui
 type StepUploadParallelsTools struct {
 	ParallelsToolsFlavor    string
 	ParallelsToolsGuestPath string

builder/parallels/common/step_upload_version.go

@@ -9,8 +9,13 @@ import (
 	"github.com/mitchellh/packer/packer"
 )
 
-// This step uploads a file containing the Parallels version, which
-// can be useful for various provisioning reasons.
+// StepUploadVersion is a step that uploads a file containing the version of
+// Parallels Desktop, which can be useful for various provisioning reasons.
+//
+// Uses:
+//   communicator packer.Communicator
+//   driver Driver
+//   ui packer.Ui
 type StepUploadVersion struct {
 	Path string
 }

builder/parallels/common/tools_config.go

@@ -53,7 +53,7 @@ func (c *ToolsConfig) Prepare(ctx *interpolate.Context) []error {
 
 	if c.ParallelsToolsFlavor == "" {
 		if c.ParallelsToolsMode != ParallelsToolsModeDisable {
-			errs = append(errs, errors.New("parallels_tools_flavor must be specified."))
+			errs = append(errs, errors.New("parallels_tools_flavor must be specified"))
 		}
 	}