Bump Blubber config version to v3

Change-Id: I91cac046976cf88d513487e27e1b52bf77a6f974

17 files changed, 42 insertions, 42 deletions

diff --git a/README.md b/README.md
index 71cd850..b50ba20 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ running ad-hoc commands.
 ## Example configuration
 
 ```yaml
-version: v2
+version: v3
 base: debian:jessie
 apt:
   packages: [libjpeg, libyaml]
@@ -69,7 +69,7 @@ In the example configuration, the `test` variant when expanded effectively
 becomes:
 
 ```yaml
-version: v2
+version: v3
 base: debian:jessie
 apt:
   packages: [libjpeg, libyaml, libjpeg-dev, libyaml-dev, chromium]
diff --git a/blubber.example.yaml b/blubber.example.yaml
index bfb3a37..8f39c9b 100644
--- a/blubber.example.yaml
+++ b/blubber.example.yaml
@@ -1,5 +1,5 @@
 ---
-version: v2
+version: v3
 base: debian:jessie
 apt:
   packages: [libjpeg, libyaml]
diff --git a/config/apt_test.go b/config/apt_test.go
index ae4fce2..1bff48e 100644
--- a/config/apt_test.go
+++ b/config/apt_test.go
@@ -12,7 +12,7 @@ import (
 
 func TestAptConfigYAML(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     apt:
       packages:
         - libfoo
diff --git a/config/artifacts_test.go b/config/artifacts_test.go
index 49927db..44dd89c 100644
--- a/config/artifacts_test.go
+++ b/config/artifacts_test.go
@@ -11,7 +11,7 @@ import (
 
 func TestArtifactsConfigYAML(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo
     variants:
       build: {}
@@ -80,7 +80,7 @@ func TestArtifactsConfigValidation(t *testing.T) {
 	t.Run("from", func(t *testing.T) {
 		t.Run("ok", func(t *testing.T) {
 			_, err := config.ReadConfig([]byte(`---
-        version: v2
+        version: v3
         variants:
           build: {}
           foo:
@@ -94,7 +94,7 @@ func TestArtifactsConfigValidation(t *testing.T) {
 
 		t.Run("missing", func(t *testing.T) {
 			_, err := config.ReadConfig([]byte(`---
-        version: v2
+        version: v3
         variants:
           build: {}
           foo:
@@ -112,7 +112,7 @@ func TestArtifactsConfigValidation(t *testing.T) {
 
 		t.Run("bad", func(t *testing.T) {
 			_, err := config.ReadConfig([]byte(`---
-        version: v2
+        version: v3
         variants:
           build: {}
           foo:
diff --git a/config/builder_test.go b/config/builder_test.go
index 773ddd1..0785f7a 100644
--- a/config/builder_test.go
+++ b/config/builder_test.go
@@ -11,7 +11,7 @@ import (
 
 func TestBuilderConfigYAML(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo
     builder:
       command: [make, -f, Makefile, test]
diff --git a/config/common_test.go b/config/common_test.go
index 3674d64..535e64b 100644
--- a/config/common_test.go
+++ b/config/common_test.go
@@ -10,7 +10,7 @@ import (
 
 func TestCommonConfigYAML(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: fooimage
     sharedvolume: true
     entrypoint: ["/bin/foo"]
diff --git a/config/config_test.go b/config/config_test.go
index 5f694ee..45151bc 100644
--- a/config/config_test.go
+++ b/config/config_test.go
@@ -10,12 +10,12 @@ import (
 
 func TestConfigYAML(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     variants:
       foo: {}`))
 
 	if assert.NoError(t, err) {
-		assert.Equal(t, "v2", cfg.Version)
+		assert.Equal(t, "v3", cfg.Version)
 		assert.Contains(t, cfg.Variants, "foo")
 		assert.IsType(t, config.VariantConfig{}, cfg.Variants["foo"])
 	}
@@ -25,7 +25,7 @@ func TestConfigValidation(t *testing.T) {
 	t.Run("variants", func(t *testing.T) {
 		t.Run("ok", func(t *testing.T) {
 			err := config.Validate(config.Config{
-				VersionConfig: config.VersionConfig{Version: "v2"},
+				VersionConfig: config.VersionConfig{Version: "v3"},
 				Variants: map[string]config.VariantConfig{
 					"build": config.VariantConfig{},
 					"foo":   config.VariantConfig{},
@@ -37,7 +37,7 @@ func TestConfigValidation(t *testing.T) {
 
 		t.Run("bad", func(t *testing.T) {
 			err := config.Validate(config.Config{
-				VersionConfig: config.VersionConfig{Version: "v2"},
+				VersionConfig: config.VersionConfig{Version: "v3"},
 				Variants: map[string]config.VariantConfig{
 					"build foo": config.VariantConfig{},
 					"foo bar":   config.VariantConfig{},
diff --git a/config/flag_test.go b/config/flag_test.go
index fb3ac12..d4e2c70 100644
--- a/config/flag_test.go
+++ b/config/flag_test.go
@@ -10,7 +10,7 @@ import (
 
 func TestFlagMerge(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo
     runs: { insecurely: true }
     sharedvolume: false
diff --git a/config/lives_test.go b/config/lives_test.go
index d740586..2220652 100644
--- a/config/lives_test.go
+++ b/config/lives_test.go
@@ -11,7 +11,7 @@ import (
 
 func TestLivesConfigYAML(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo
     lives:
       in: /some/directory
@@ -40,7 +40,7 @@ func TestLivesConfigYAML(t *testing.T) {
 
 func TestLivesConfigDefaults(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo`))
 
 	if assert.NoError(t, err) {
diff --git a/config/node_test.go b/config/node_test.go
index 9771251..0cb48fa 100644
--- a/config/node_test.go
+++ b/config/node_test.go
@@ -11,7 +11,7 @@ import (
 
 func TestNodeConfigYAML(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo
     node:
       requirements: [package.json]
diff --git a/config/python_test.go b/config/python_test.go
index 03abad0..3ece2e5 100644
--- a/config/python_test.go
+++ b/config/python_test.go
@@ -11,7 +11,7 @@ import (
 
 func TestPythonConfigYAMLMerge(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo
     python:
       version: python2.7
@@ -37,7 +37,7 @@ func TestPythonConfigYAMLMerge(t *testing.T) {
 
 func TestPythonConfigYAMLMergeEmpty(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo
     python:
       requirements: [requirements.txt]
@@ -59,7 +59,7 @@ func TestPythonConfigYAMLMergeEmpty(t *testing.T) {
 
 func TestPythonConfigYAMLDoNotMergeNil(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo
     python:
       requirements: [requirements.txt]
diff --git a/config/reader_test.go b/config/reader_test.go
index 172bf20..1a7d529 100644
--- a/config/reader_test.go
+++ b/config/reader_test.go
@@ -11,7 +11,7 @@ import (
 
 func ExampleResolveIncludes() {
 	cfg, _ := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     variants:
       varA: { includes: [varB, varC] }
       varB: { includes: [varD, varE] }
@@ -29,7 +29,7 @@ func ExampleResolveIncludes() {
 
 func TestReadConfigErrorsOnUnknownYAML(t *testing.T) {
 	_, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     newphone: whodis
     variants:
       foo: {}`))
@@ -57,7 +57,7 @@ func TestReadConfigValidateVersionBeforeStrictUnmarshal(t *testing.T) {
 
 func TestResolveIncludesPreventsInfiniteRecursion(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     variants:
       varA: { includes: [varB] }
       varB: { includes: [varA] }`))
@@ -71,7 +71,7 @@ func TestResolveIncludesPreventsInfiniteRecursion(t *testing.T) {
 
 func TestMultiLevelIncludes(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo-slim
     variants:
       build:
@@ -103,7 +103,7 @@ func TestMultiLevelIncludes(t *testing.T) {
 
 func TestMultiIncludes(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     variants:
       mammal:
         base: neutral
diff --git a/config/runs_test.go b/config/runs_test.go
index 0f2266d..8d685c7 100644
--- a/config/runs_test.go
+++ b/config/runs_test.go
@@ -11,7 +11,7 @@ import (
 
 func TestRunsConfigYAML(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo
     runs:
       as: someuser
diff --git a/config/variant_test.go b/config/variant_test.go
index 0479c08..d40437c 100644
--- a/config/variant_test.go
+++ b/config/variant_test.go
@@ -12,7 +12,7 @@ import (
 
 func TestVariantConfigYAML(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo
     variants:
       build: {}
@@ -216,7 +216,7 @@ func TestVariantConfigValidation(t *testing.T) {
 	t.Run("includes", func(t *testing.T) {
 		t.Run("ok", func(t *testing.T) {
 			_, err := config.ReadConfig([]byte(`---
-        version: v2
+        version: v3
         variants:
           build: {}
           foo: { includes: [build] }`))
@@ -226,7 +226,7 @@ func TestVariantConfigValidation(t *testing.T) {
 
 		t.Run("optional", func(t *testing.T) {
 			_, err := config.ReadConfig([]byte(`---
-        version: v2
+        version: v3
         variants:
           build: {}
           foo: {}`))
@@ -236,7 +236,7 @@ func TestVariantConfigValidation(t *testing.T) {
 
 		t.Run("bad", func(t *testing.T) {
 			_, err := config.ReadConfig([]byte(`---
-        version: v2
+        version: v3
         variants:
           build: {}
           foo: { includes: [build, foobuild, foo_build] }`))
@@ -256,7 +256,7 @@ func TestVariantConfigValidation(t *testing.T) {
 
 		t.Run("ok", func(t *testing.T) {
 			_, err := config.ReadConfig([]byte(`---
-        version: v2
+        version: v3
         variants:
           build: {}
           foo: { copies: build }`))
@@ -266,7 +266,7 @@ func TestVariantConfigValidation(t *testing.T) {
 
 		t.Run("optional", func(t *testing.T) {
 			_, err := config.ReadConfig([]byte(`---
-        version: v2
+        version: v3
         variants:
           build: {}
           foo: {}`))
@@ -276,7 +276,7 @@ func TestVariantConfigValidation(t *testing.T) {
 
 		t.Run("bad", func(t *testing.T) {
 			_, err := config.ReadConfig([]byte(`---
-        version: v2
+        version: v3
         variants:
           build: {}
           foo: { copies: foobuild }`))
diff --git a/config/version.go b/config/version.go
index 6162573..0a41fca 100644
--- a/config/version.go
+++ b/config/version.go
@@ -2,7 +2,7 @@ package config
 
 // CurrentVersion declares the currently supported config version.
 //
-const CurrentVersion string = "v2"
+const CurrentVersion string = "v3"
 
 // VersionConfig contains a single field that allows for validation of the
 // config version independent from an entire Config struct.
diff --git a/config/version_test.go b/config/version_test.go
index ac9f5b7..3b25d5e 100644
--- a/config/version_test.go
+++ b/config/version_test.go
@@ -10,21 +10,21 @@ import (
 
 func TestVersionConfigYAML(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     variants:
       foo: {}`))
 
 	assert.Nil(t, err)
 
 	if assert.NoError(t, err) {
-		assert.Equal(t, "v2", cfg.Version)
+		assert.Equal(t, "v3", cfg.Version)
 	}
 }
 
 func TestVersionConfigValidation(t *testing.T) {
 	t.Run("supported version", func(t *testing.T) {
 		err := config.Validate(config.VersionConfig{
-			Version: "v2",
+			Version: "v3",
 		})
 
 		assert.False(t, config.IsValidationError(err))
diff --git a/docker/compiler_test.go b/docker/compiler_test.go
index d8ab18f..6d7f4f2 100644
--- a/docker/compiler_test.go
+++ b/docker/compiler_test.go
@@ -13,7 +13,7 @@ import (
 
 func TestSingleStageHasNoName(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo/bar
     variants:
       development: {}`))
@@ -28,7 +28,7 @@ func TestSingleStageHasNoName(t *testing.T) {
 
 func TestMultiStageIncludesStageNames(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo/bar
     variants:
       build: {}
@@ -52,7 +52,7 @@ func TestMultiStageIncludesStageNames(t *testing.T) {
 
 func TestMultipleArtifactsFromSameStage(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo/bar
     variants:
       build: {}
@@ -79,7 +79,7 @@ func TestMultipleArtifactsFromSameStage(t *testing.T) {
 
 func TestMetaDataLabels(t *testing.T) {
 	cfg, err := config.ReadConfig([]byte(`---
-    version: v2
+    version: v3
     base: foo/bar
     variants:
       development: {}`))