archive

Documentation

Overview

Package archive sorts, verifies, and extracts .upd (xz-compressed tar) files. Xz defaults to crc64 checksums but can support others such as sha256. .upd files *must* use sha256 or they will be considered invalid.

Index

• func ApplyUpdate(target *disk.Filesystem)
• func FindValidUpd(emergencyImage, imgopt, dir string, lowMem bool) (valid, userCancel bool)
• func Menu(choices []string) []string
• func VgaMenu(choices []string) []string

Functions

func ApplyUpdate

func ApplyUpdate(target *disk.Filesystem)

func FindValidUpd

func FindValidUpd(emergencyImage, imgopt, dir string, lowMem bool) (valid, userCancel bool)

searches for a valid update. if emergencyImage != "", only consider it. otherwise considers any in given dir. if lowmem is true, xz's output is thrown away for the validation round and the file is decompressed again for piping to tar

func Menu

func Menu(choices []string) []string

display a menu. if lcd is present, uses that; otherwise vga.

func VgaMenu

func VgaMenu(choices []string) []string

list images on screen, ask user to make a choice returns string array with length 1