hi guys.
i'm interessed in delta packages.
I'm a brazilian with a poor english, then sorry by the kill of the languege.
the delta packages need 3 things in my vision...
1 - rebuild instaled packages for the upgrade no needing a permanet cacheThis
huge and ugly shell line mke this.
pacman -Ql kdemod-shaman | awk '{if ($1 == "kdemod-shaman") print $2}' |
xargs ls -ld | grep -v '^d' | awk '{ print $9 }' | xargs tar cf
shaman.pkg.tar
3 - not expend lots ofspace in the server with delta files life Fedora and
SUSE.
The rsync protocol update a file downoading the changed parts of then. the
server unly store the lastet version, like today.
3 - Updae the rebuilded package with any server. them need use http and ftp
protocols
This prograns provides this.
http://zsync.moria.org.uk/
Then... Its necessary in the creation of package use gzip with the
--rsyncable flag and create a zsync file.
When upgrading a instaled package the pacman needs an alias to rebuild the
package with the --rsyncable flag too and download then with the zsync.
the xdelta is more eficient in bandwidth, but the zsync is it in storage
space.
Bye folks.
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