archive: Expose ChangeWriter to allow customized diff computing#5615
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estesp merged 1 commit intocontainerd:mainfrom Jun 21, 2021
Merged
archive: Expose ChangeWriter to allow customized diff computing#5615estesp merged 1 commit intocontainerd:mainfrom
estesp merged 1 commit intocontainerd:mainfrom
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AkihiroSuda
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Linter timeouts ( |
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CI failure doesn't seem to related to this patch. (maybe we need to re-run tests) |
Signed-off-by: Kohei Tokunaga <[email protected]>
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changeWriterinarchivepackage provides a generic functionality to create tar archives from the filesystem change information. Especially*archive.changeWriter.HandleChangeis useful for creating filesystem diff archive combining with continuity's diff computing functionality (fs.Changes()).This PR allows containerd users to customize diffing logic relying on
changeWriterfor creating tar archives. An example use case of this is for the overlayfs-oriented diff logic discussed in BuildKit (moby/buildkit#2181 and containerd/continuity#145).