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@@ -643,6 +643,14 @@ guide](../articles/dockerfile_best-practices.md#build-cache) for more informatio
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2. The contents of the source tree, with conflicts resolved in favor
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2. The contents of the source tree, with conflicts resolved in favor
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of "2." on a file-by-file basis.
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of "2." on a file-by-file basis.
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+ > **Note**:
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+ > Whether a file is identified as a recognized compression format or not
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+ > is done soley based on the contents of the file, not the name of the file.
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+ > For example, if an empty file happens to end with `.tar.gz` this will not
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+ > be recognized as a compressed file and **will not** generate any kind of
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+ > decompression error message, rather the file will simply be copied to the
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+ > destination.
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+
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- If `<src>` is any other kind of file, it is copied individually along with
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- If `<src>` is any other kind of file, it is copied individually along with
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its metadata. In this case, if `<dest>` ends with a trailing slash `/`, it
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its metadata. In this case, if `<dest>` ends with a trailing slash `/`, it
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will be considered a directory and the contents of `<src>` will be written
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will be considered a directory and the contents of `<src>` will be written
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Doug Davis