builder/parallels: fix compilation issuse

builder/parallels/common/prlctl_post_config.go

 package common
 
 import (
-	"fmt"
-	"github.com/mitchellh/packer/packer"
+	"github.com/mitchellh/packer/template/interpolate"
 )
 
 type PrlctlPostConfig struct {
 	PrlctlPost [][]string `mapstructure:"prlctl_post"`
 }
 
-func (c *PrlctlPostConfig) Prepare(t *packer.ConfigTemplate) []error {
+func (c *PrlctlPostConfig) Prepare(ctx *interpolate.Context) []error {
 	if c.PrlctlPost == nil {
 		c.PrlctlPost = make([][]string, 0)
 	}
 
-	errs := make([]error, 0)
-	for i, args := range c.PrlctlPost {
-		for j, arg := range args {
-			if err := t.Validate(arg); err != nil {
-				errs = append(errs,
-					fmt.Errorf("Error processing prlctl_post[%d][%d]: %s", i, j, err))
-			}
-		}
-	}
-
-	return errs
+	return nil
 }

builder/parallels/iso/builder.go

@@ -79,7 +79,7 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
 		errs, b.config.OutputConfig.Prepare(&b.config.ctx, &b.config.PackerConfig)...)
 	errs = packer.MultiErrorAppend(errs, b.config.RunConfig.Prepare(&b.config.ctx)...)
 	errs = packer.MultiErrorAppend(errs, b.config.PrlctlConfig.Prepare(&b.config.ctx)...)
-	errs = packer.MultiErrorAppend(errs, b.config.PrlctlPostConfig.Prepare(&b.config.tpl)...)
+	errs = packer.MultiErrorAppend(errs, b.config.PrlctlPostConfig.Prepare(&b.config.ctx)...)
 	errs = packer.MultiErrorAppend(errs, b.config.PrlctlVersionConfig.Prepare(&b.config.ctx)...)
 	errs = packer.MultiErrorAppend(errs, b.config.ShutdownConfig.Prepare(&b.config.ctx)...)
 	errs = packer.MultiErrorAppend(errs, b.config.SSHConfig.Prepare(&b.config.ctx)...)
@@ -270,7 +270,7 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 		},
 		&parallelscommon.StepPrlctl{
 			Commands: b.config.PrlctlPost,
-			Tpl:      b.config.tpl,
+			Ctx:      b.config.ctx,
 		},
 	}
 

builder/parallels/pvm/builder.go

@@ -103,7 +103,7 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 		},
 		&parallelscommon.StepPrlctl{
 			Commands: b.config.PrlctlPost,
-			Tpl:      b.config.tpl,
+			Ctx:      b.config.ctx,
 		},
 	}
 

builder/parallels/pvm/config.go

@@ -58,7 +58,7 @@ func NewConfig(raws ...interface{}) (*Config, []string, error) {
 	errs = packer.MultiErrorAppend(errs, c.FloppyConfig.Prepare(&c.ctx)...)
 	errs = packer.MultiErrorAppend(errs, c.OutputConfig.Prepare(&c.ctx, &c.PackerConfig)...)
 	errs = packer.MultiErrorAppend(errs, c.PrlctlConfig.Prepare(&c.ctx)...)
-	errs = packer.MultiErrorAppend(errs, c.PrlctlPostConfig.Prepare(&c.tpl)...)
+	errs = packer.MultiErrorAppend(errs, c.PrlctlPostConfig.Prepare(&c.ctx)...)
 	errs = packer.MultiErrorAppend(errs, c.PrlctlVersionConfig.Prepare(&c.ctx)...)
 	errs = packer.MultiErrorAppend(errs, c.RunConfig.Prepare(&c.ctx)...)
 	errs = packer.MultiErrorAppend(errs, c.ShutdownConfig.Prepare(&c.ctx)...)