CopyDetachable is similar to io.Copy but support a detach key sequence to break out.

ExecCmd executes a command with args and returns its output as a string along with an error, if any.

ExecCmdWithStdStreams execute a command with the specified standard streams.

RunUnderSystemdScope adds the specified pid to a systemd scope.

StatusToExitCode converts wait status code to an exit code.

Tar creates a tarball from source and returns a readcloser of it.

TarToFilesystem creates a tarball from source and writes to an os.file provided.

UntarToFileSystem untars an os.file of a tarball to a destination in the filesystem.

ErrDetach is an error indicating that the user manually detached from the container.