Enum Source 

pub enum Source {
    HostDir(PathBuf),
    TarArchive {
        path: PathBuf,
        codec: Option<Algo>,
    },
    Image(Target),
    Layered(Vec<Source>),
}

Where to draw a filesystem’s contents from when building or populating it. See module docs.

Variants

HostDir(PathBuf)

A directory on the host filesystem, walked recursively.

TarArchive

A tar archive on disk, plain or compressed.

Fields

path: PathBuf

codec: Option<Algo>

Image(Target)

An existing image, optionally with a :N partition selector.

Layered(Vec<Source>)

Multiple sources stacked bottom→top. Upper layers override files of the same path; tombstones (.wh.* files, character device 0/0) delete paths from lower layers. See crate::merge for the fold semantics.

Implementations

impl Source

pub fn detect(spec: &str) -> Result<Self>

Auto-detect what kind of source spec points at.

• a+b+c (+-separated specs) → Layered, applied bottom→top.
• An existing directory path → HostDir.
• A recognised tar extension (.tar, .tar.gz, .tgz, .tar.xz, .txz, .tar.zst, .tar.lz4, .tar.lzma, .tar.lzo) → TarArchive.
• Anything else, including a path:N partition selector → Image. Parsed by crate::inspect::Target::parse.

Trait Implementations

impl Clone for Source

fn clone(&self) -> Source

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Source

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.