apt-listchanges =============== Default APT behavior only displays NEWS entries ----------------------------------------------- Please note that even though apt-listchanges can automatically display entries from both NEWS.Debian, and the changelog[.Debian] files during upgrades with APT, the default installation enables displaying of the NEWS.Debian entries only. To enable displaying the changelog entries as well, please run: dpkg-reconfigure apt-listchanges How apt-listchanges decides what to display ------------------------------------------- See /usr/share/doc/apt-listchanges/what_to_display.html. Snapshots in experimental releases ---------------------------------- When apt-listchanges is being released into the experimental repository, the developers may enable snapshots. When snapshots are enabled and apt-listchanges is called by apt, it copies of some files and data which influence how the program behaves in a subdirectory of /var/lib/apt, and before exiting it packs them into a .tar.xz file and saves the seven most recent ones. If you are using an experimental release of apt-listchanges and you encounter a bug, the developers may ask you to provide one of these snapshots to them to assist in debugging. The settings which control this behavior are "capture_snapshots" and "snapshot_dir" in /etc/apt/listchanges.conf. If you never want apt-listchanges to capture snapshots even when you are using an experimental release, you can set "capture_snapshots=no" in that file to prevent it. Otherwise, the configuration scripts for apt-listchanges automatically install the correct settings as needed. In particular, "capture_snapshots" is set to "auto" if it's not set when an experimental release is installed, which tells apt-listchanges that later when a non-experiemental release is installed it should remove the setting automatically and thereby disable snapshots. Sharing the status database between machines -------------------------------------------- The status database, /var/lib/apt/listchanges, can be shared between machines, see https://bugs.debian.org/658444 for a use case, using NFS-mounted storage, as long as you do not run more than one instance of apt-listchanges at time (otherwise the database might get corrupted due to lack of locking). The '--dump-seen' option can be used to examine the contents of the database.
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