June 2004
Intermediate to advanced
319 pages
12h 58m
English
Content preview from Version Control with Subversion
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Revisions: Numbers, Keywords, and Dates, Oh My!
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Revisions: Numbers, Keywords, and Dates,
Oh My!
Before we continue, you should know a bit about how to identify a particular revi-
sion in your repository. As you learned in “Revisions” in Chapter 2,” a revision is a
snapshot of the repository at a particular moment in time. As you continue to com-
mit and grow your repository, you need a mechanism for identifying these snapshots.
You specify these revisions by using the
--revision (-r) switch plus the revision you
want (
svn --revision REV), or you can specify a range by separating two revisions
with a colon (svn --revision REV1:REV2). Subversion lets you refer to these revisions
by number, keyword, or date.
Revision Numbers
When you create a new Subversion repository, it begins its life at revision zero and
each successive commit increases the revision number by one. After your commit
completes, the Subversion client informs you of the new revision number:
$ svn commit --message "Corrected number of cheese slices."
Sending sandwich.txt
Transmitting file data .
Committed revision 3.
If at any point in the future you want to refer to that revision (we’ll show how and
why you might want to do that later in this chapter), you can refer to it as 3.
Revision Keywords
The Subversion client understands ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.