/usr/share/doc/debtags/README is in debtags 2.0.1ubuntu6.
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==================
``debtags`` is used to maintain debtags information on a system. It allows to
merge the tag data found in the Packages file with, optionally, other tag
sources listed in /etc/debtags/sources.list
The package also ships the vocabulary that describes the tags found in the
Packages file, and can merge it with vocabulary information acquired from other
configured tag sources.
``debtags`` allows to perform various kinds of queries and checks on the tag
database, mostly useful from scripts, possibly in combination with the
``tagcoll`` tool. For high-level query tools, look at ept-cache, adept and
other package managers. For a package information index that indexes tags as
well as various useful information to support high-level queries, look at
apt-xapian-index.
The command line tool also allows to perform some scripted editing of the
tags, and to submit a tag patch to the central tag archive. If you want to use
the debtags tool for contributing to the central tag archive, please disable
the apt tag source in /etc/debtags/sources.list and enable the unreviewed
tag source on Alioth, so that you will make sure you are working with the most
recent version of the archive.
Resources
---------
Website:
http://debtags.alioth.debian.org
Mailing lists:
debtags-devel@lists.alioth.debian.org
http://lists.alioth.debian.org/mailman/listinfo/debtags-devel
Development and usage discussions
debtags-commits@lists.alioth.debian.org
http://lists.alioth.debian.org/mailman/listinfo/debtags-commmits
Postings of subversion logs
Subversion repository:
http://svn.debian.org/viewcvs/debtags/
Browse online
svn://svn.debian.org/debtags/
Read-only access
svn+ssh://alioth.debian.org/svn/debtags/
Write access
Miscellaneous notes
-------------------
Some analysis techniques:
Consistency checks on facets that should go together::
# Show all packages which have a tag in uitoolkit but not a tag in interface
# (same can be repeated for hardware and hwtech, devel and langdevel)
debtags facetcoll | grep uitoolkit | grep -v interface | cut -d: -f1 | sort | uniq
# Count the number of facets
debtags facetcoll | tagcoll reverse | wc -l
# Get a list of toplevel facets in a facet hierarchy
debtags facetcoll | tagcoll hierarchy | cut -f2 -d/ | cut -f1 -d: | sort | uniq
Interesting links:
* http://www.itconsult.it/knowledge/articoli/detArticoli.asp?ID=18
Author
------
Enrico Zini <enrico@debian.org>
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