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RE: Renaming a category?

From: Wasserman, Sherry
Subject: RE: Renaming a category?
Date: Mon, 23 Apr 2001 11:38:20 -0400


If others have access to the gnats database while you are changing the
category, you should probably be concerned about locking the PRs.

If you change the category field manually (by using gnatsweb or edit-pr), 
the normal PR locking mechanism will prevent changes (yours or theirs) from 
being overwritten.  The PR will also be moved to the new category location 
and the index entry will be created by the software.  You won't have to do

If you use sed,  you should either lock the PRs that are going 
to be changed (pr-edit --lock), or lock gnats by creating the gnats.lock
in the gnats-admin directory.  (Don't forget  to remove the locks it when
you're done.)

I recently created a tool to move all PRs from one category to another 
with the following command:
        perl catmove  [-d gnats_root]  <old category> <new category> ...

I'll be happy to send this, if you are interested.

Sherry Wasserman
1025 Briggs Rd., Suite 100
Mt. Laurel, NJ 08054
Voice (856) 608-2858 Fax (856) 866-8850


> -----Original Message-----
> From: Yngve Svendsen [mailto:address@hidden
> Sent: Monday, April 23, 2001 9:35 AM
> To: address@hidden;
> address@hidden
> Subject: Re: Renaming a category?
> At 15:26 23.04.2001 +0200, Hans-Albert Schneider wrote:
> >What is the preferred way to rename a category?
> >
> >For GNATS 3.113, I am currently aware of the following procedure
> >(assume renaming from "A" to "B"):
> >
> >1) Create a new category "B".
> >2) Edit each report in "A", changing the category to "B".
> >3) Remove category "A".
> >4) Run gen-index.
> >
> >(I once tried to just rename the directory from "A" to "B" (and
> >the entry in gnats-adm/categories, of course), and found that
> >gen-index produced A/17 instead of B/17, because the Category
> >field had not been changed.  This was probably with an earlier
> >version than 3.113; is gen-index now more clever about this?)
> >
> >
> >Is there an easier way?  Maybe with version 4?
> >
> >In step 2), do I need to invoke edit-pr and manually edit all
> >reports, or can I just run something like
> >
> >     for each report $n in category A,
> >         sed -e "/^>Category:/ s/A/B/"  < A/$n  > B/$n
> >         rm A/$n
> I don't think there is a better way. I have had to do the 
> same thing myself 
> on a few occasions. Automating step 2 should be OK, though. 
> Gnats4 has no 
> improvements with regards to this. This might be an idea for 
> a new admin 
> tool in a future version.
> Yngve Svendsen
> IS Engineer
> Clustra AS, Trondheim, Norway
> address@hidden
> Cell.: +47 913 915 02

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