internal/getproviders: Include Provider and Version in PackageMeta

Although we tend to return these in contexts where at least one of these
values is implied, being explicit means that PackageMeta values are
self-contained and less reliant on such external context.

internal/getproviders/registry_client.go

@@ -211,6 +211,8 @@ func (c *registryClient) PackageMeta(provider addrs.Provider, version Version, t
 	}
 
 	ret := PackageMeta{
+		Provider:         provider,
+		Version:          version,
 		ProtocolVersions: protoVersions,
 		TargetPlatform: Platform{
 			OS:   body.OS,

internal/getproviders/registry_source_test.go

@@ -117,6 +117,10 @@ func TestSourcePackageMeta(t *testing.T) {
 			"1.2.0",
 			"linux", "amd64",
 			PackageMeta{
+				Provider: addrs.NewProvider(
+					svchost.Hostname("example.com"), "awesomesauce", "happycloud",
+				),
+				Version:          versions.MustParseVersion("1.2.0"),
 				ProtocolVersions: VersionList{versions.MustParseVersion("5.0.0")},
 				TargetPlatform:   Platform{"linux", "amd64"},
 				Filename:         "happycloud_1.2.0.zip",

internal/getproviders/types.go

@@ -48,6 +48,9 @@ var CurrentPlatform = Platform{
 // accepted by the current version of Terraform before trying to use the
 // described package.
 type PackageMeta struct {
+	Provider addrs.Provider
+	Version  Version
+
 	ProtocolVersions VersionList
 	TargetPlatform   Platform