On Fri, Aug 17, 2001 at 06:55:03PM +0200, Bostjan Muller wrote:
| Hi!
| 
| I have added the path for Debian/testing to my sources.list to downgrade some
| packages, but now there are some problems doing apt-get upgrade. Could someone
| please tell me which file contains the configuration, to determine the default
| distro (stable/testing/unstable) for downloading and installing packages via
| apt? I saw this on the list once, but could not find it in archives.

apt will pick the newest version available.  What apt sees as
available depends on your sources.list file.  I don't think it will
work well to have both testing and sid at the same time since sid will
always have newer (or equal) packages.  If you want a package from
testing be sure that only testing is in sources.list and run 'apt-get
update && apt-get upgrade'.  Then change sources.list to have unstable
if you want and rerun 'apt-get update'.  The "update" is when apt gets
a new view of what versions exist.  If you want an older package from
testing but don't want to upgrade to the new one in unstable you need
to "hold" the package.  I recently learned that to do this run
    echo <packagename> hold | dpkg --set-selections

| I have entered: APT::Default-Release "unstable"; into /etc/apt/apt.conf

I haven't heard of this option before, but that doesn't mean anything.

HTH,
-D

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