CVS für Administratoren

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Concurrent Versions System Programme (kurz CVS) werden zur Versions- und Quellcodeverwaltung eines Programms eingesetzt. Das Moodle CVS Archiv enthält den vollständigen Quellcode von Moodle. Sie können sich die verschiedensten Versionsstände herladen, von der letzten stabilen Version bis zum aktuellen Entwicklungsstand. Ein CVS Programm kann daher das geeignete Werkzeug für einen Administrator zur Wartung eines Moodle Systems sein.

Bestimmten Entwicklern (s. a. CVS for Developers) wird ein Schreibrecht auf das CVS Archiv eingeräumt . Im Allgemeinen und gerade für die Arbeiten eines Administrators ist jedoch das vorhandene Leserecht vollkommen ausreichend, um sich mit einem der Spiegelserver zu verbinden und die Quellcode-Dateien, wie im folgenden beschrieben, herunterzuladen. Es sei darauf hingewiesen, dass augenblicklich zwischen dem Hochladen einer Änderung durch einen Entwickler und der allgemeinen Verfügbarkeit auf den Spiegelservern bis zu 1 Stunde vergehen kann.

CVS Server

Bitte wählen Sie aus der folgenden Liste einen Spiegelserver aus Ihrer Nähe aus:

Land	Server	Zur Verfügung gestellt von
EU	eu.cvs.moodle.org	The Open University Bei Problemen kontaktieren Sie bitte: Rod Norfor oder Derek Woolhead
ES	es.cvs.moodle.org	Mondragon Unibertsitatea Bei Problemen kontaktieren Sie bitte: iarenuno@eteo.mondragon.edu oder iarenaza@escomposlinux.org
UK	uk.cvs.moodle.org	Cumbria and Lancashire Education Online (CLEO) in Zusammenarbeit mit Lancaster University Network Services (LUNS)
US	us.cvs.moodle.org	San Francisco State University, Academic Technology (SFSU). Bei Problemen kontaktieren Sie bitte: iLearn support
US	us2.cvs.moodle.org	The Contractors Institute (pserver und viewvc). Bei Problemen kontaktieren Sie bitte: network support.

Arbeitshinweis: Ersetzen Sie die Zeichenkette SERVER.cvs.moodle.org in den nachfolgenden Anleitungsabschnitten durch den Name des von Ihnen ausgewählten Servers.

Wenn Sie über anstehende oder außerplanmäßige Ausfallzeiten dieser Server unterrichtet werden möchten, können Sie sich bei der Moodle Outage mailing list eintragen.

Würden Sie gerne einen Beitrag zum Projekt durch die Bereitstellung eines Spiegelservers leisten, finden Sie hier eine erste Anleitung: How to set up a CVS mirror)

Installing and maintaining Moodle via CVS

From a Unix computer

To connect and login for the first time to the CVS server, you can use this command (remember to replace SERVER.cvs.moodle.org in the instructions below with the mirror server you chose above):

cvs -d:pserver:anonymous@SERVER.cvs.moodle.org:/cvsroot/moodle login

There is no password - when asked for one, just hit Enter.

To checkout (download) the entire Moodle code for the first time, use this command to get the latest WEEKLY version (generally the latest, most bug free version):

cvs -z3 -d:pserver:anonymous@SERVER.cvs.moodle.org:/cvsroot/moodle co -P -r MOODLE_19_WEEKLY moodle

Or the latest development version (not for production use):

cvs -z3 -d:pserver:anonymous@SERVER.cvs.moodle.org:/cvsroot/moodle co -P moodle

Or the modules in Contrib

cvs -z3 -d:pserver:anonymous@SERVER.cvs.moodle.org:/cvsroot/moodle co contrib

Later, to update your local copy of Moodle to the current version in CVS you just need to go into your local Moodle directory and type:

cvs update -dP

To update your local copy of Moodle to a new version (e.g. from 1.8+ to 1.9), go into your local Moodle directory and type:

cvs update -dP -r MOODLE_19_STABLE

To update your local copy of Moodle to a version from a specific date (e.g. 4th February 2009), go into your local Moodle directory and type:

 cvs -q update -dP -r MOODLE_19_STABLE -D "4 Feb 2009"

To update your local copy and to save the log of the process, use the following command instead the previous one:

cvs update -dP -r MOODLE_19_STABLE | tee upgrade.log

Then look at the upgrade.log, notably look for lines starting with "C" (conflict):

grep '^C' upgrade.log

Conflicts may appear in case you have manually modified your source files. You have to resolve conflicts before using the site. See CVS for Developers for more details.

Changing the directory name

By default, the CVS checkout creates a directory on your webserver called 'moodle'. If you want your Moodle installation in a different directory, you can change the name of the directory that it will checkout the files to, by typing the following. This would download the MOODLE_19_STABLE branch into a directory called "mydirectory" (-d mydirectory).

cvs -z3 -d:pserver:anonymous@SERVER.cvs.moodle.org:/cvsroot/moodle co -P -d mydirectory -r MOODLE_19_STABLE moodle

Or the latest development version to a directory called 'moodle-dev':

cvs -z3 -d:pserver:anonymous@SERVER.cvs.moodle.org:/cvsroot/moodle co -P -d moodle-dev moodle

You can also change the name of the directory after the files are downloaded, and before you go through the Moodle install process. If you change the name of the directory before install, it will not affect anything during the install or during a CVS update. If you change the name of the directory after an install, you will need to change the config.php to reflect the name change (guidance here). It won't affect the CVS update though.

Change directory owner

Depending on your webserver setup, you may well need to change the owner of the directory to the webserver user. Follow this step if you get permissions error when you try to access the page. For apache:

 chown -R www-data:www-data moodle

From a Windows computer

To get started with a fresh copy of Moodle, follow the following steps (remember to replace SERVER.cvs.moodle.org in the instructions below with the mirror server you chose above):

Datei:CVS moodle settings for tortoise CVS.jpg

Tortoise CVS Screen capture

Datei:Ecran cvs.jpg

Tortoise CVS (real name) Screen capture

1. Get TortoiseCVS from tortoisecvs.org and install it, then reboot.
2. Find or create a new folder somewhere where you want Moodle to be downloaded to.
3. Right-mouse-click that folder and choose "CVS Checkout" from the menu. You should see a dialog box.
4. Copy this text into the CVSROOT field: :pserver:anonymous@SERVER.cvs.moodle.org:/cvsroot/moodle
   • NOTE - replace "SERVER" with "eu", "es", "uk" or "us" depending on your location.
5. Under the "Module" field, type "moodle" to get moodle. (Other options here include"contrib" to get the contrib directory of hacks and addons, or "mysql" to get the optional MySQL Admin module).
   • For the latest STABLE version, click on the "Revision" tab and then check the radio button labelled "Choose branch or tag". From the drop-down menu select MOODLE_18_STABLE.
   • If you don't see the very latest version in the long drop-down list under Branch or tag name, click the Update List button next to it and wait for the list to be updated.
   • For the latest UNSTABLE development version, the radio-button "Use HEAD branch" in the Revision tab should be checked.
6. Press the button: "OK" and everything should be downloaded.

Later, to update your local copy of Moodle to the current version in CVS, just right-mouse-click the folder and choose "CVS Update".

Note that the enclosing moodle folder is self-contained - you can move it anywhere you like or even rename it.

NOTE.- Admins with a developer account on cvs.moodle.org can connect with their account name, see attached screen shot.

From a Mac OS X computer

You will find some information about CVS and Mac OS X in the documentation for the complete installation package Moodle4Mac. Please read How To Update Your Moodle4Mac. It works fine with the new CVS servers.

Troubleshooting

If you see something like this, make sure that there is not some firewall blocking the port (it's 2401):

$ cvs -d:pserver:anonymous@us.cvs.moodle.org:/cvsroot/moodle login
Logging in to :pserver:anonymous@us.cvs.moodle.org:2401/cvsroot/moodle
CVS password:
cvs [login aborted]: connect to us.cvs.moodle.org(130.212.64.111):2401 failed: Connection timed out

Switching to a new CVS server

If you were already using CVS and want to switch to a different server, you'll probably need to make a small change so that the control files in your working copy will point to the new mirrors.

Switching to a new server on Unix

Use a shell command like this to change existing installations to point to the new mirror (UK mirror used in this example):

find . -type f -name Root -print0 | xargs -0 perl -pi -e 's/\@moodle\.cvs\.sourceforge\.net/\@uk\.cvs\.moodle\.org/'

It can be run from /home, say, to fix multiple sites at once.

Switching to a new server with TortoiseCVS

If you were already using Tortoise CVS on Windows it's tricky, because Tortoise doesn't have any interface for changing the server. http://www.tortoisecvs.org/faq.html#changecvsroot explains it. But basically,

1) Install WinCVS and launch it. 
2) Navigate to and select your Moodle folder. 
3) Choose 'Macros'->CVS->Change Root from the menu.  
4) Accept (or change) the default for the 'old' server. 
5) Type the new server name. OK!  

It takes a few seconds to go through all of the cvs folders and update the root files.

By the way, if you don't want to install WinCVS, another way of doing this is to uninstall your TortoiseCVS client on Windows, then do a regedit to clean up all the tortoisecvs related entries (might not be necessary), then reinstall TortoiseCVS client again (a good reason to upgrade to the most recent version of TortoiseCVS!). I have tested this and it cleared up the original setting of the original anonymous CVS server setting.

Siehe auch

• CVS - Dt. Wikipedia Definition
• Talk:CVS for Administrators
• CVS for developers
• Development:Setting up Eclipse for step by step instructions for setting up the Eclipse IDE for Moodle development, which including how to do the necessary CVS operations
• Development:Tracking Moodle CVS with git

Using Moodle forum discussions:

• Using cvs
• CVS Updating of 3rd-Party Plug-ins in the Moodle folder itself
• simple question for cvs

Siehe en:CVS for Administrators