feat: introduce conversions between API versions

src/api/convert/convert.go

@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: 2021-Present The Zarf Authors
+
+// Package convert provides functions for converting between Zarf package API versions.
+package convert
+
+import (
+	"github.com/zarf-dev/zarf/src/api/v1alpha1"
+	"github.com/zarf-dev/zarf/src/api/v1beta1"
+	internalv1alpha1 "github.com/zarf-dev/zarf/src/internal/api/v1alpha1"
+	internalv1beta1 "github.com/zarf-dev/zarf/src/internal/api/v1beta1"
+)
+
+// V1Alpha1PkgToV1Beta1 converts a v1alpha1 ZarfPackage to a v1beta1 Package.
+func V1Alpha1PkgToV1Beta1(pkg v1alpha1.ZarfPackage) v1beta1.Package {
+	generic := internalv1alpha1.ConvertToGeneric(pkg)
+	v1beta1Pkg := internalv1beta1.ConvertFromGeneric(generic)
+	return v1beta1.SetDeprecatedFromGeneric(generic, v1beta1Pkg)
+}
+
+// V1Beta1PkgToV1Alpha1 converts a v1beta1 Package to a v1alpha1 ZarfPackage.
+func V1Beta1PkgToV1Alpha1(pkg v1beta1.Package) v1alpha1.ZarfPackage {
+	generic := internalv1beta1.ConvertToGeneric(pkg)
+	return internalv1alpha1.ConvertFromGeneric(generic)
+}