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NAME

gnats − Problem Report Management System

GNATS is a bug-tracking tool designed for use at a central support site. Software users who experience problems use tools provided with GNATS to submit Problem Reports to the the maintainers of that software; GNATS partially automates the tracking of these problems by:

	•		organizing problem reports into a database and notifying responsible parties of suspected bugs;
	•		allowing support personnel and their managers to edit, query and report on accumulated bugs; and
	•		providing a reliable archive of problems with a given program and a history of the life of the program by preserving its reported problems and their subsequent solutions.

GNATS offers many of the same features offered by more generic databases. You can query and edit existing problem reports (PRs) as well as obtain reports on groups of PRs. The database itself is simply an ordered repository for problem reports; each PR receives a unique, incremental PR number which identifies it throughout its lifetime.

Many of the primary functions available with GNATS are accessible from within GNU Emacs.

PROBLEM REPORT STATES

PRs go through several states in their lifetimes. The set of states is site-specific.

The default set of states are:

	open		the initial state of every PR; this means the PR has been filed and the person or group responsible for it has been notified of the suspected problem
	analyzed		the problem has been examined and work toward a solution has begun
	feedback		a solution has been found and tested at the support site, and sent to the party who reported the problem; that party is testing the solution
	closed		the solution has been confirmed by the party which reported it

In some cases, it may be necessary to suspend work on a bug; in this case, its state changes to suspended rather than closed.

STRUCTURE

Incoming PRs are assigned an incremental serial number and filed according to category. An index is kept concurrently to accelerate searches of the database.

All GNATS administration and database files are located in subdirectories of a directory associated with each database. Databases are named, and the association between database names and directories is described by the databases file, which is found on this system in /usr/etc/gnats/databases.

Problem Reports are segregated into subdirectories within the database directory by category. For example, problems submitted with a category of gcc will be filed in the database subdirectory gcc.

GNATS administration files are kept in the database subdirectory gnats-adm:

	addresses		contains mappings between submitter IDs and corresponding e-mail addresses
	categories		table of valid categories and parties responsible for them
	classes		table of valid classes of Problem Reports
	current		keeps track of incremental PR numbers assigned
	dbconfig		describes the structure of the database, and various database-specific options

gnatsd.user_access

lists host names and access levels of hosts authorized to access the database

gnatsd.user_access

lists user names, passwords and access levels of users authorized to access the database

	index		database index
	locks		directory containing lock files
	responsible		table of responsible parties and their email addresses
	states		table of valid states of Problem Reports
	submitters		database of sites which submit PRs

Administrative programs and programs internal to GNATS are kept in the directory /usr/libexec/gnats while those meant for public use are installed in /usr/bin.

/usr/libexec/gnats contains the programs:

	mkdb		used by the GNATS administrator to create a new database
	mkcat		used by the GNATS administrator to create new categories [obsolete]
	rmcat		used by the GNATS administrator to remove outdated categories [obsolete]
	gen−index		used by the GNATS administrator to generate a new version of the index
	queue-pr		mail control program which accepts incoming messages and periodically submits them to the database via cron by feeding them through the program file-pr(8)
	pr-edit		program which is mainly responsible for editing existing PRs and filing new ones; it is used by edit−pr and file−pr
	file-pr		script which uses pr−edit to file new PRs
	at-pr		automatically notifies responsible parties if a PR is not analyzed within a requisite period defined in the submitters file
	delete-pr		used to delete closed PRs

/usr/bin contains the programs

	query-pr		used to query the database
	edit-pr		used to edit individual PRs
	send-pr		used to submit problems to GNATS

Documentation exists for all programs associated with GNATS.

HISTORY

GNATS was greatly inspired by the BSD sendbug(1) and bugfiler(8) programs. It was originally written in C++, Elisp, shell script, and awk. It presently consists of utilities written in C, shell script, and Elisp.

AUTHORS

GNATS was originally written by Heinz G. Seidl (Cygnus Support). Subsequent iterations were developed by Brendan Kehoe (Cygnus Support) and Jason Merrill (Cygnus Support), with help from Tim Wicinski. Documentation was initially developed by Jeffrey Osier (Cygnus Support) and Brendan Kehoe (Cygnus Support).

Version 4.x was a substantial rewrite done by Bob Manson (Juniper Networks), Milan Zamazal and Yngve Svendsen (Clustra Systems / Sun Microsystems)

COPYING

Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies.

Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one.

Permission is granted to copy and distribute translations of this manual into another language, under the above conditions for modified versions, except that this permission notice may be included in translations approved by the Free Software Foundation instead of in the original English.

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