FW: Revision History of TZ database

Gunther Vermeir gunther.vermeir at oracle.com
Wed Apr 29 14:11:02 UTC 2009


You might find this high level overview also useful:


Nathan Stratton Treadway wrote:
> On Thu, Mar 26, 2009 at 16:22:41 -0400, Olson, Arthur David (NIH/NCI) [E] wrote:
>> Where can I find revision history of changes that has happened in TZ
>> database across given two versions? For example, I would like to know
>> what all changes happened from TZ version 2007g to 2008c. I will
>> appreciate any pointers/help regarding this.
> The changelog for the Ubuntu "tzdata" package includes some mentions of
> the rule changes that are part of various versions of the package, going
> back through 2006 (when the package was first created).
>   https://launchpad.net/ubuntu/karmic/+source/tzdata/+changelog
> The descriptions of rule changes that were made in the upstream database
> are mixed in with descriptions of Ubuntu-specific rule patches as well
> as discussions of other (non-timezone-rule) changes made to the package,
> but it's still probably easier to find changes of interest in this
> document than by scanning through the whole of the tz mailing list
> archives or trying to "diff" the database files.  (Search the page for
> phrases such as "new upstream" and "new timezone data".)
> (The link above will only show the latest version of the changelog while
> "karmic" release is still active; eventually you will need to go back to
> the "overview" page at
>   https://launchpad.net/ubuntu/+source/tzdata/ 
> and follow the links to package versions that are found in newer
> releases of Ubuntu.)
> This search for a revision history comes up on the tz list
> periodically, and personally I have also had occasions where I wished
> there was some single document that I could just skim through to
> identify exactly which release of the rules database include some
> particular change.
> If ADO (or whoever) were interested in maintaining this as a "changelog"
> file within the tzdata distribution, I'd be willing to compile a list of
> changes from tzdata releases over the past year or two, to get the ball
> rolling.
> Alternatively, it might work well to do a community-maintained
> release history wiki page, if there were a suitable wiki somewhere to
> host it.
> 							Nathan 
> ----------------------------------------------------------------------------
> Nathan Stratton Treadway  -  nathanst at ontko.com  -  Mid-Atlantic region
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