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apt-listchanges
===============
******************************************************************************
Due to the demand, here is a quick overview of how apt-listchanges works.
******************************************************************************
While upgrading a package _package_, apt-listchanges does the following:
1. finds the name of its _source package_ ;
2. see if this _source package_ has already showed up in its status database
or not, if not jump to 4 ;
3. read _package_ changelog from its .deb and append the data to the data to
be shown ;
4. update this _source package_ as seen in the status database.
This is done for every package that is going to be installed or upgraded.
The reasons for a changelog not to show up are:
* you never installed any binary package from a that source package before,
meaning that `apt-listchanges` breaks each time a source package is renamed,
I can't fix that ;
* there is no new changelog entry:
- `apt-get install --reinstall`) ;
- or you already installed a binary package from the same source and the
same version.
* `apt-listchanges` was unable to guess the package source name (should not
happen);
* `apt-listchanges` was unable to find the Debian changelog in the binary
package (should not happen either).
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