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[yast-devel] JFYI: libzypp-6.11.0 supports download policy for commit.
  • From: Michael Andres <ma@xxxxxxx>
  • Date: Wed, 22 Jul 2009 12:42:43 +0200
  • Message-id: <200907221242.44124.ma@xxxxxxx>
Hi!

With libzypp-6.11.0 you can now choose among several download modes. The
mode is set in ZYppCommitPolicy.

DownloadOnly, //!< Just download all packages to the local cache.
//!< Do not install. Implies a dry-run.

DownloadInAdvance, //!< First download all packages to the local cache.
//!< Then start to install.

DownloadInHeaps, //!< Similar to DownloadInAdvance, but try to split
//!< the transaction into heaps, where at the end of
//!< each heap a consistent system state is reached.

DownloadAsNeeded //!< Alternating download and install. Packages are
//!< cached just to avid CD/DVD hopping. This is the
//!< traditional behaviour.

Next steps:

- Switch to use the satsolvers new install order computation. This should
allow to actually compute the heaps for DownloadInHeaps. Currently it's the
same as DownloadInAdvance.

- For DownloadInAdvance/DownloadInHeaps we can add file conflict checks. This
would be done after the packages are downloaded, but before anything gets
installed.

--

cu,
Michael Andres

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