squashfs

Documentation

Index

• Variables
• type Snap
  • func New(snapPath string) *Snap
  • func (s *Snap) Build(buildDir string) error
  • func (s *Snap) HashDigest(hash crypto.Hash) (uint64, []byte, error)
  • func (s *Snap) Install(targetPath, mountDir string) error
  • func (s *Snap) ListDir(dirPath string) ([]string, error)
  • func (s *Snap) Path() string
  • func (s *Snap) ReadFile(filePath string) (content []byte, err error)

Variables

var Magic = []byte{'h', 's', 'q', 's'}

Magic is the magic prefix of squashfs snap files.

Types

type Snap

type Snap struct {
	// contains filtered or unexported fields
}

Snap is the squashfs based snap.

func New

func New(snapPath string) *Snap

New returns a new Squashfs snap.

func (*Snap) Build

func (s *Snap) Build(buildDir string) error

Build builds the snap.

func (*Snap) HashDigest

func (s *Snap) HashDigest(hash crypto.Hash) (uint64, []byte, error)

HashDigest computes a hash digest of the snap file using the given hash. It also returns its size.

func (*Snap) Install

func (s *Snap) Install(targetPath, mountDir string) error

Install just copies the blob into place (unless it is used in the tests)

func (*Snap) ListDir

func (s *Snap) ListDir(dirPath string) ([]string, error)

ListDir returns the content of a single directory inside a squashfs snap.

func (*Snap) Path

func (s *Snap) Path() string

Path returns the path of the backing file.

func (*Snap) ReadFile

func (s *Snap) ReadFile(filePath string) (content []byte, err error)

ReadFile returns the content of a single file inside a squashfs snap.