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diff --git a/vendor/github.com/containerd/platforms/defaults_unix.go b/vendor/github.com/containerd/platforms/defaults_unix.go
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+//go:build !windows && !darwin && !freebsd
+
+/*
+ Copyright The containerd Authors.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+package platforms
+
+import (
+ "runtime"
+
+ specs "github.com/opencontainers/image-spec/specs-go/v1"
+)
+
+// DefaultSpec returns the current platform's default platform specification.
+func DefaultSpec() specs.Platform {
+ return specs.Platform{
+ OS: runtime.GOOS,
+ Architecture: runtime.GOARCH,
+ // The Variant field will be empty if arch != ARM.
+ Variant: cpuVariant(),
+ }
+}
+
+// Default returns the default matcher for the platform.
+func Default() MatchComparer {
+ return Only(DefaultSpec())
+}