On Thu, 2009-05-07 at 22:00 +0100, Marcelo M. Garcia wrote:
> Hi.
>
> I'm interested in generating the .jigdo and .template from a .iso image.
> I couldn't find much information on this. It would be a straightforward
> process, just run "jigdo-file file.iso" and I would have my .jigdo and
> my .template.
>
> The problem is doing like this, my .template has almost the same size of
> the .iso image. I noticed that the Fedora 11 x86_64 has only 11.1M. My
> question is how to do that? How to get a .template so small?
>
> Where I can get a good documentation about jigdo-file? The official web
> site[1] it isn't very helpful.
>
> Thanks
>
> Marcelo
From man 1 jigdo-file:
"""
jigdo-file COMMAND
[ --image=cdrom.iso ] [ --jigdo=cdrom.jigdo ]
[ --template=cdrom.template ] [ --force ] [
MORE OPTIONS ] [ FILES ... | --files-from=f ]
Common COMMANDs: make-template, make-image,
verify
...
-i --image=cdrom.iso
Specify location of the file containing
the image. The image is the large file
that you want to distribute.
-j --jigdo=cdrom.jigdo
Specify location of the Jigsaw Download
description file. The jigdo file is a
human-readable file generated by jigdo-
file, to which you add information about
all the servers you are going to upload
the files to. jigdo will download this
file as the first step of retrieving the
image.
-t --template=cdrom.template
Specify location of the image ‘template’
file. The template file is a binary file
generated by jigdo-file, it contains
information on how to reassemble the
image and also (in compressed form) all
the data from the image which was not
found in any of the parts.
Depending on the command, each of these
three files is used sometimes for input,
sometimes for output. If the file is to
be used for output for a particular com-
mand and the output file already exists,
jigdo-file exits with an error, unless
--force is present.
In most cases, you will only need to
specify one out of -i -j -t, because any
missing filenames will be deduced from
the one you specify. This is done by
first stripping any extension from the
supplied name and then appending nothing
(if deducing --image), ‘.jigdo’ or
‘.template’.
...
FILES Names of files or directories to use as
input. These are the parts that are con-
tained in the image. In case one of the
names is a directory, the program recur-
sively scans the directory and adds all
files contained in it. While doing this,
it follows symbolic links, but avoids
symlink loops.
If one of the filenames starts with the
character ‘-’, you must precede the list
of files with ‘--’. A value of ‘-’ has
no special meaning in this list, it
stands for a file whose name is a single
hyphen.
"""
--
Ignacio Vazquez-Abrams <ivazqueznet@xxxxxxxxx>
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