config.go: register new iterations of exp specs for fcos|r4e|flatcar

config/config.go

@@ -24,8 +24,10 @@ import (
 	fcos1_3 "github.com/coreos/butane/config/fcos/v1_3"
 	fcos1_4 "github.com/coreos/butane/config/fcos/v1_4"
 	fcos1_5 "github.com/coreos/butane/config/fcos/v1_5"
+	fcos1_6_exp "github.com/coreos/butane/config/fcos/v1_6_exp"
 	flatcar1_0 "github.com/coreos/butane/config/flatcar/v1_0"
 	flatcar1_1 "github.com/coreos/butane/config/flatcar/v1_1"
+	flatcar1_2_exp "github.com/coreos/butane/config/flatcar/v1_2_exp"
 	openshift4_10 "github.com/coreos/butane/config/openshift/v4_10"
 	openshift4_11 "github.com/coreos/butane/config/openshift/v4_11"
 	openshift4_12 "github.com/coreos/butane/config/openshift/v4_12"
@@ -35,6 +37,7 @@ import (
 	openshift4_9 "github.com/coreos/butane/config/openshift/v4_9"
 	r4e1_0 "github.com/coreos/butane/config/r4e/v1_0"
 	r4e1_1 "github.com/coreos/butane/config/r4e/v1_1"
+	r4e1_2_exp "github.com/coreos/butane/config/r4e/v1_2_exp"
 
 	"github.com/coreos/go-semver/semver"
 	"github.com/coreos/vcontext/report"
@@ -58,8 +61,10 @@ func init() {
 	RegisterTranslator("fcos", "1.3.0", fcos1_3.ToIgn3_2Bytes)
 	RegisterTranslator("fcos", "1.4.0", fcos1_4.ToIgn3_3Bytes)
 	RegisterTranslator("fcos", "1.5.0", fcos1_5.ToIgn3_4Bytes)
+	RegisterTranslator("fcos", "1.6.0-experimental", fcos1_6_exp.ToIgn3_5Bytes)
 	RegisterTranslator("flatcar", "1.0.0", flatcar1_0.ToIgn3_3Bytes)
 	RegisterTranslator("flatcar", "1.1.0", flatcar1_1.ToIgn3_4Bytes)
+	RegisterTranslator("flatcar", "1.2.0-experimental", flatcar1_2_exp.ToIgn3_5Bytes)
 	RegisterTranslator("openshift", "4.8.0", openshift4_8.ToConfigBytes)
 	RegisterTranslator("openshift", "4.9.0", openshift4_9.ToConfigBytes)
 	RegisterTranslator("openshift", "4.10.0", openshift4_10.ToConfigBytes)
@@ -69,6 +74,7 @@ func init() {
 	RegisterTranslator("openshift", "4.14.0-experimental", openshift4_14_exp.ToConfigBytes)
 	RegisterTranslator("r4e", "1.0.0", r4e1_0.ToIgn3_3Bytes)
 	RegisterTranslator("r4e", "1.1.0", r4e1_1.ToIgn3_4Bytes)
+	RegisterTranslator("r4e", "1.2.0", r4e1_2_exp.ToIgn3_5Bytes)
 	RegisterTranslator("rhcos", "0.1.0", unsupportedRhcosVariant)
 }