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Displaying posts with tag: subversion (reset)
First Warp Talks

2009 Starts quite interesantly.

This Monday took place the first Warp Talks, a project of training between employees at Warp Networks. The last Monday of the month will take place a new Warp Talk.

koke and me where the first speakers.

I made an introduction to subversion, and he did a talk about 10 things you might not know about MySQL.

Koke took a camera and recorded our talks at the same time they were being broadcasted at Videos are available at vimeo (spanish):

SVN: How do you use svn command line on Windows with ssh tunneling?

If you ever used svn command line, you know it is not optimal to type in your password every time you do checkout, checkin, info, etc.  In linux world, it is very easy to setup keys to get around this.  Of course in the world of Windows it is not as easy.  Here are the steps you need to follow to get private/public keys working with your SVN under Windows using ssh tunneling.

Assumptions:  you will be connecting as user “root” to svn server located at “”.  All your files will be saved at c:\ including your svn command line utility

First we will have to generate a key.  We can accomplish this by using a free utility called …

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Project Kenai: looking at the technology behind it

While Colin beat me in blogging about Project Kenai, I think I can still provide some additional background information about this new project hosting service from Sun.

If you are a maintainer of an Open Source project, you currently have plenty of choice when it comes to getting your project hosted for free. One criterion could be your software configuration management system (SCM) of choice.

Some of the hosting services that I am currently aware of and the choice of SCM they offer include:

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Why is MSNBot ignoring robots.txt?

Today, the root file system on our public svn server nearly ran out of disk space. The reason? The /tmp directory was quickly filling up with temporary files created by websvn, which I set up parallel to the FishEye repository browser for testing purposes. A quick investigation of the apache log files revealed the culprit - a crawler from Microsoft was running haywire and decided to ignore the rules in the robots.txt file, even though it did actually looked at the file before!

Here is how robots.txt looked like (I now changed it to disallow everything):

User-agent: *
Disallow: /fisheye/
Disallow: /websvn/

If I am not mistaken, no crawler should actually consider going into the SVN browser directories. Some snippets from the apache log:

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Thoughts about OSS project hosting and the importance of controlling downloads

In a recent article, Matt Asay was musing about the aspects of hosting an Open Source project by yourself vs. using a public project hosting service like SourceForge, GitHub or Launchpad. He concluded that it's important for commercial/sponsored open source projects in particular to do the hosting by themselves, so they can maintain full control and can gain more insight, which hopefully will turn into more revenue at some point.

However, Matt seems to reduce "hosting" to "providing downloads" only:

Control and visibility. Given the importance of customer conversions, it becomes hugely valuable information to know that it takes, say, eight months on average for someone to buy the "Enterprise" version of …

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The mylvmbackup source tree has moved to Bazaar/Launchpad

JFYI: today I migrated the mylvmbackup source tree from my local Subversion repository on to a Bazaar repository on

This will hopefully make it easier for contributors to work on the code and share their modifications with others, removing me as the bottleneck for applying and testing patches for new releases. I chose Bazaar primarily because I wanted to get some more hands-on practice with it, now that the MySQL Server source trees have been transferred to it as well (see Kaj's announcement for …

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The MySQL source code has moved!

Even though we had been preparing the migration to Bazaar for a while now, today's announcement kind of caught me by surprise. But I am very happy about this move!

While BitKeeper is an excellent tool and served us well the past eight (!) years, I was quite annoyed when BitMover decided to remove the fully functional free BitKeeper client, which effectively put our development back into a Cathedral: even though our source trees remained accessible via, the crippled bk client was only capable of cloning and pulling new revisions from there - it was not possible for an …

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Subversion: What to do when your repository server moves to another ip?

This weekend our networking guys decided to change ips for all of our servers. They also changed our subversion server’s ip. This caused some issues in the subversion world with developers who had checkouts pointing to ips instead of hostname, using command similar to:

svn co svn+ssh:// /home/mycheckout/

Now when they do “svn update” inside the their /home/mycheckout/ directory, they get an error:

We needed to point the checkout to the new ip. Easiest way to do this is to delete your checkout and re-checkout. Unfortunately, some of the developers had a lot of modified files which wasn’t checked in yet. I fixed it by issuing:

find /home/mycheckout -name "entries"|xargs /usr/bin/perl -w -i -p -e "s/"

Find command helps us in finding all the files with name “entries” and xargs takes the filename and passes it to …

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Get Maatkit fast from the command line

I have been using Maatkit in a different way since I joined Percona as a consultant. When I’m working on a system now, it’s a new, unfamiliar system — not one where I have already installed my favorite programs. And that means I want to grab my favorite productivity tools fast.

I intentionally wrote the Maatkit tools so they don’t need to be “installed.” You just run them, that’s all. But I never made them easy to download.

I fixed that. Now, at the command line, you can just run this:


Now it’s ready to run. Behind the scenes are some Apache mod_rewrite rules, a Perl script or two, and Subversion. When you do this, you’re getting the latest code from Subversion’s trunk.[1][2] (I like to run on the bleeding edge. Releases are for people who want …

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Maatkit on Ohloh

Sheeri wrote a post (now a 404 error) referring to Maatkit on Ohloh, which I have never heard of before. I took a look at what Ohloh thinks about Maatkit. It's kind of neat. Beyond just the obvious "social website" stuff that's all the rage these days, it actually looks at the project's SVN history, analyzes the codebase, and so on.

It also estimates 8 person-years of work have gone into the project, and says that at $55,000/year it would cost $450,702 to write the code as it currently exists, which is kind of funny. It took me a whole lot less than 8 years to write. (Perhaps this is why that salary strikes me as unrealistic).

It has a couple of other interesting things, like a visual timeline of source …

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Showing entries 11 to 20 of 28
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