diff

func Changes ¶

func Changes(ctx context.Context, appendMount func(path string), withPaths []string, withoutPaths []string, changeFn fs.ChangeFunc, upperdir, upperdirView, base string) error

Changes is continuty's `fs.Change`-like method but leverages overlayfs's "upperdir" for computing the diff. "upperdirView" is overlayfs mounted view of the upperdir that doesn't contain whiteouts. This is used for computing changes under opaque directories.

func Diff ¶

func Diff(ctx context.Context, appendMount func(path string), withPaths []string, withoutPaths []string, writer io.Writer, lowerDirs, upperDir string) error

func GetOverlayLayers ¶

func GetOverlayLayers(m mount.Mount) ([]string, error)

GetOverlayLayers returns all layer directories of an overlayfs mount.

func GetUpperdir ¶

func GetUpperdir(lower, upper []mount.Mount) (string, error)

GetUpperdir parses the passed mounts and identifies the directory that contains diff between upper and lower.