write fixer

fix/fixer.go

@@ -39,6 +39,7 @@ func init() {
 		"powershell-escapes":         new(FixerPowerShellEscapes),
 		"hyperv-deprecations":        new(FixerHypervDeprecations),
 		"hyperv-vmxc-typo":           new(FixerHypervVmxcTypo),
+		"hyperv-cpu-and-ram":         new(FizerHypervCPUandRAM),
 		"vmware-compaction":          new(FixerVMwareCompaction),
 	}
 
@@ -61,5 +62,6 @@ func init() {
 		"docker-email",
 		"powershell-escapes",
 		"vmware-compaction",
+		"hyperv-cpu-and-ram",
 	}
 }

fix/fixer_hyperv_cpu_and_ram_naming.go

@@ -0,0 +1,58 @@
+package fix
+
+import (
+	"github.com/mitchellh/mapstructure"
+)
+
+// FizerHypervCPUandRAM fixes the typo in "clone_from_vmxc_path" replacing
+// it with "clone_from_vmcx_path" in Hyper-V VMCX builder templates
+type FizerHypervCPUandRAM struct{}
+
+func (FizerHypervCPUandRAM) Fix(input map[string]interface{}) (map[string]interface{}, error) {
+	// The type we'll decode into; we only care about builders
+	type template struct {
+		Builders []map[string]interface{}
+	}
+
+	// Decode the input into our structure, if we can
+	var tpl template
+	if err := mapstructure.Decode(input, &tpl); err != nil {
+		return nil, err
+	}
+
+	for _, builder := range tpl.Builders {
+		builderTypeRaw, ok := builder["type"]
+		if !ok {
+			continue
+		}
+
+		builderType, ok := builderTypeRaw.(string)
+		if !ok {
+			continue
+		}
+
+		if builderType != "hyperv-vmcx" && builderType != "hyperv-iso" {
+			continue
+		}
+
+		ncpus, ok := builder["cpu"]
+		if ok {
+			delete(builder, "cpu")
+			builder["cpus"] = ncpus
+		}
+
+		memory, ok := builder["ram_size"]
+		if ok {
+			delete(builder, "ram_size")
+			builder["memory"] = memory
+		}
+	}
+
+	input["builders"] = tpl.Builders
+	return input, nil
+}
+
+func (FizerHypervCPUandRAM) Synopsis() string {
+	return `Replaces "cpu" with "cpus" and "ram_size" with "memory"` +
+		`in Hyper-V VMCX builder templates`
+}