chrootarchive

package
v1.4.2-0...-ec2efb0 Latest Latest
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Published: Mar 1, 2016 License: Apache-2.0 Imports: 14 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func ApplyLayer

func ApplyLayer(dest string, layer archive.Reader) (size int64, err error)

ApplyLayer parses a diff in the standard layer format from `layer`, and applies it to the directory `dest`. The stream `layer` can only be uncompressed. Returns the size in bytes of the contents of the layer.

func ApplyUncompressedLayer

func ApplyUncompressedLayer(dest string, layer archive.Reader, options *archive.TarOptions) (int64, error)

ApplyUncompressedLayer parses a diff in the standard layer format from `layer`, and applies it to the directory `dest`. The stream `layer` can only be uncompressed. Returns the size in bytes of the contents of the layer.

func CopyFileWithTar

func CopyFileWithTar(src, dst string) (err error)

CopyFileWithTar emulates the behavior of the 'cp' command-line for a single file. It copies a regular file from path `src` to path `dst`, and preserves all its metadata.

If `dst` ends with a trailing slash '/' ('\' on Windows), the final destination path will be `dst/base(src)` or `dst\base(src)`

func CopyWithTar

func CopyWithTar(src, dst string) error

CopyWithTar creates a tar archive of filesystem path `src`, and unpacks it at filesystem path `dst`. The archive is streamed directly with fixed buffering and no intermediary disk IO.

func TarUntar

func TarUntar(src, dst string) error

TarUntar is a convenience function which calls Tar and Untar, with the output of one piped into the other. If either Tar or Untar fails, TarUntar aborts and returns the error.

func Untar

func Untar(tarArchive io.Reader, dest string, options *archive.TarOptions) error

Untar reads a stream of bytes from `archive`, parses it as a tar archive, and unpacks it into the directory at `dest`. The archive may be compressed with one of the following algorithms:

identity (uncompressed), gzip, bzip2, xz.

func UntarPath

func UntarPath(src, dst string) error

UntarPath is a convenience function which looks for an archive at filesystem path `src`, and unpacks it at `dst`.

func UntarUncompressed

func UntarUncompressed(tarArchive io.Reader, dest string, options *archive.TarOptions) error

UntarUncompressed reads a stream of bytes from `archive`, parses it as a tar archive, and unpacks it into the directory at `dest`. The archive must be an uncompressed stream.

Types

This section is empty.

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