The jigdo-mirror script is distributed in the scripts directory of the source archive and also in the jigdo-bin-x.y.z.tar.bz2 binary archive.
See jigdo-file(1) for an introduction to Jigsaw Download.
jigdo-mirror is a script intended for people who want to offer direct HTTP or FTP downloads of files for which only the jigdo and template files are available.
As the first step of using jigdo-mirror, you need to set up normal HTTP/FTP/rsync mirroring both of the `.jigdo'/`.template' files and of the parts that are needed for the reconstruction of the images. For example, in the case that you want to mirror Debian CD images with jigdo-mirror, you need a mirror of the `.jigdo'/`.template' files and a Debian mirror on the local machine.
At regular intervals (preferably immediately after the normal mirroring has finished), schedule a run of jigdo-mirror. It will search through a given directory for any `.jigdo' files and attempt to create all images offered by each file.
The script requires you to set a number of variables - please refer to the start of /usr/bin/jigdo-mirror for a description of each of them. Since /usr/bin/jigdo-mirror will be overwritten whenever you upgrade jigdo-mirror, it is highly recommended not to change the settings directly in this script. Instead, personal settings should be saved in a file called .jigdo-mirror in your home directory, or in a different file whose name is then passed to the script as its first (and only) command line argument.
Jigsaw Download was written by Richard Atterer, to make downloading of CD ROM images for the Debian Linux distribution more convenient.