With us, we use the trunk for "integration". We do our
development on branches and we integrate our code on
the trunk. We run nightly regression tests that use
the trunk files. We tag a sane trunk for one of our
releases.
>-----Original Message-----
>From: B. Smith-Mannschott [mailto:benpsm@gmail.com]
>Sent: Thursday, January 11, 2007 11:39 AM
>To: Subversion Users
>Subject: What's a "trunk" good for? (apart from eating peanuts)
>
>Hi!
>
>I'm muddling along trying to develop part of a little internal
>subversion crash course at my place of work. Currently, I'm
>trying to teach the concepts of trunk, branch and tag. The
>more I think about it, the more I'm convinced that 'trunk' is
>conceptual baggage we've schlepped in from the world of CVS.
>Trunk is just a special case of branch. The "everything is a
>directory" reality of subversion just makes this even more obvious.
>
>I guess my conceptual problem is two-fold:
>(1) it's meaning: why should it get special treatment?
>(2) it's appellation: why should we call it "trunk"?
>
>**
>
>Conventionally, I think "trunk" used for the 'main line of
>development'. At least that's what we've been doing. But what
>does that really mean?
>
>We do all of our development work in the various "trunk" of
>our repository here, but really, it might as well just be a
>branch called "release-1", since that's what we're working
>toward and we all know that. When we're ready to stabilize
>"release-1", we could branch it by copying it to "release-2"
>where bleeding-edge development would continue while
>stabilization fixes are made to "release-1".
>
>In this scenario it's seems like it's an eternally shambling
>branch forever doomed to blearily stumble from one release to
>the next, never quite sure which it belongs to. In a word, it's messy.
>
>What's so special about "trunk"? In retrospect, wouldn't it
>be clearer just to work "trunkless"?
>
>**
>
>In another very different case, I have a small internal web
>site (publishing a collection of XML schemas), where 'trunk' is the
>*stable* (the website is a published version of the content.
>I use short-lived feature branches to make changes and then
>merge these back into trunk. But in this case there is only
>ever *one* true version of the site so there's no need to keep
>parallel branches of development open. (Though that may
>change, and then what?)
>
>But even here, where "trunk" is useful it's clear that it's
>just another branch. Heck, I could even give it a marginally
>more sensible name, like "branches/official-version" or whatever.
>
>**
>
>In a third case, we're managing the publication of a
>collection of documentation for our system. Here we've left
>the trunk/branch/tag naming convention behind entirely, also
>in part because it's used by non-technical users.
>
>"Work" holds the version currently under active modification.
>That is, it's the staging area for the next publication.
>
>"Final" contains copies of Work. These are essentially
>release branches. They are made in order to have a stable
>collection of source documents (MS Word) from which to produce
>what's actually delivered (PDF).
>
>"Published" contains copies of "Final" branches recording what
>was included in any given published version. These correspond to tags.
>
>**
>
>In a fourth case, I've created a small repository for a
>decidedly non- technical user whose previous version control
>consisted of making renamed copies of the files she maintained
>*before* she modified them. She was blessedly consistent in
>that the renaming always consisted of adding an ISO date to
>the original name of the file.
>
>Out of this motley collection, I created a repository
>consisting of a single active branch (trunk) and a plethora of
>tags. But, I didn't call them that. Instead I localized them
>to the native language of my workplace:
>
>aktuell/ ("current", i.e. the "trunk")
>archiv/ ("archive" -- a place to keep old copies of things for
>reference)
> 20050912-i-made-this-up
> 20061031-some-text-about-what-i-did-here
>readme/ (user documentation)
>
>She uses tortoiseSVN and I've shown her how to make changes to
>"aktuell" and commit them and then how to copy-and-rename "Aktuell"
>to a new subdirectory in "archiv" using tortoiseSVN's
>hand-but- unintuitive right-mouse-button-drag maneuver.
>
>It seems to work for her, but it sure isn't very conventional.
>
>**
>
>I guess my difficulty is that I'm trying to give guidance. But
>I know that it's all just *convention* so the most honest
>guidance I could give is: "actually you can do what you want,
>but **you've got to understand what you're doing!**". Which
>begs the question: do I truly understand what *I'm* doing?
>
>
>I'd be curious as to how you are using (or not using) "trunk"
>and in particular what *meaning* you've given it.
>
>Thanks,
>Ben
>
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Received on Thu Jan 11 23:03:30 2007