version: up version handling code for SDK update

Since the SDK was updated and now accepts raw version strings in
addition to also supporting metadata officially, we can start using
those functions in our version package as well.

version/version.go

@@ -5,7 +5,6 @@ package version
 
 import (
 	_ "embed"
-	"fmt"
 	"strings"
 
 	"github.com/hashicorp/go-version"
@@ -52,21 +51,14 @@ func FormattedVersion() string {
 var SemVer *version.Version
 
 func init() {
-	var err error
+	rawVersion = strings.TrimSpace(rawVersion)
 
-	// Note: we use strings.TrimSpace on the version read from version/VERSION
-	// as it could have trailing whitespaces that must not be part of the
-	// version string, otherwise version.NewSemver will reject it.
-	SemVer, err = version.NewSemver(strings.TrimSpace(rawVersion))
-	if err != nil {
-		panic(fmt.Sprintf("Invalid semver version specified in 'version/VERSION' (%q): %s", rawVersion, err))
-	}
+	PackerVersion = pluginVersion.NewRawVersion(rawVersion)
+	SemVer = PackerVersion.SemVer()
 
-	Version = SemVer.Core().String()
-	VersionPrerelease = SemVer.Prerelease()
-	VersionMetadata = SemVer.Metadata()
-
-	PackerVersion = pluginVersion.InitializePluginVersion(SemVer.Core().String(), SemVer.Prerelease())
+	Version = PackerVersion.GetVersion()
+	VersionPrerelease = PackerVersion.GetVersionPrerelease()
+	VersionMetadata = PackerVersion.GetMetadata()
 }
 
 // String returns the complete version string, including prerelease