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30 lines
1012 B
Go
30 lines
1012 B
Go
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/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package fs
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import "time"
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// Gnu tar and the go tar writer don't have sub-second mtime
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// precision, which is problematic when we apply changes via tar
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// files, we handle this by comparing for exact times, *or* same
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// second count and either a or b having exactly 0 nanoseconds
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func sameFsTime(a, b time.Time) bool {
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return a == b ||
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(a.Unix() == b.Unix() &&
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(a.Nanosecond() == 0 || b.Nanosecond() == 0))
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}
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