[Building Sakai] Samigo 2.7 changes (svn update)

[Anthony Whyte]

The Samigo team at Stanford kindly permitted me to rework their  
project POM files and write an assembly module so that Samigo (e.g.  
Test and Quizzes) can be released independently of Sakai 2.7+  
releases.  Phase I of this work is now complete and the first batch of  
Samigo 2.7.0-SNAPSHOT artifacts (including a signed samigo-audio jar)  
now reside in our Maven2 snapshot repo and are downloaded and deployed  
to Tomcat whenever you build and deploy Sakai trunk code.

WHAT'S CHANGED

Samigo is no longer included in trunk .externals or listed explicitly  
as a <module> in the default and experimental profiles in the Sakai  
base pom.  So if you perform a full checkout of Sakai trunk, Samigo  
trunk code will not be downloaded; likewise, if you build Sakai trunk  
and deploy it to Tomcat, any Samigo trunk code that you might add to  
your Sakai source will be excluded from the build (unless you first  
clean and install /sam).  Instead, and in line with other projects  
scheduled for independent release (e.g., common, edu-services,  
entitybroker, msgcntr, etc.), Samigo artifacts will now be downloaded,  
installed in your local repo and deployed to Tomcat automatically  
(including snapshot updates) whenever you issue the standard maven  
build directives against trunk code:

mvn clean install sakai:deploy
or
mvn -Pexperimental clean install sakai:deploy

All this occurs as a result of the inclusion of the core-deploy pom as  
a <module> in the Sakai base pom default and experimental profiles.  
core-deploy adds a number of assembly dependencies to the build  
process, each of which provides a "tomcat overlay" zip file that  
distributes each project's artifacts to their appointed place in  
Tomcat (e.g., components, shared/lib, webapps).

TRUNK DEVELOPERS

1. Trunk refresh.  Please perform an svn update or a fresh checkout of  
trunk to pick up these changes.

2. .m2 repo.  Strictly speaking, you do not need to clean out the  
samigo directories in your local .m2/org/sakaiproject repo since I  
have revised the Samigo maven coordinates (e.g., <groupId>,  
<artifactId) and the new samigo artifacts will be located under a  
single /samigo folder instead of their current multi-folder location s  
(e.g., sam-base, sakai-samigo-*).  However, I have not changed the  
Samigo snapshot version (currently 2.7.0-SNAPSHOT) and your old .m2  
sam-base and sakai-samigo-* folders will contain out-of-date and  
stranded 2.7.0-SNAPSHOT artifacts.  I recommend deleting these old  
artifacts.  A clean .m2 repo is always preferred.

WARNING (SAMIGO DEVELOPERS)

If you do development against Samigo trunk you will need to check out  
the project separately in order to work with the source code.  A  
standard Sakai trunk checkout no longer suffice.

svn co https://source.sakaiproject.org/svn/sam/trunk samigo-trunk

You can test your samigo changes locally by performing a mvn clean  
install against your local repo before deploying to Tomcat.  SVN  
commits to samigo trunk will NOT be reflected in the snapshot  
artifacts until a refresh occurs.  At the moment this involves  
shouting at me to pick up the fixes and refresh the repo.  Within the  
next couple of weeks the snapshot refresh process will be automated  
once I deploy a Hudson build server (server only now made available).

WORK REMAINING TO BE COMPLETED

1. Drop in the release plugin.  A formality at this point.
2. Eliminate a large number of declared but unused dependencies  
associated with a "standalone" version of Samigo that is no longer  
relevant.  I'm working on that now.  This should shrink the size of  
the tomcat-overlay zip file.
3. Beef up reporting, documentation and a site skin in support of a  
Samigo automated Maven site deployment.
4. Release Samigo 2.7.0-alpha01.

JIRA TRACKING (so far)

http://jira.sakaiproject.org/browse/SAK-17334
http://jira.sakaiproject.org/browse/SAK-17335
http://jira.sakaiproject.org/browse/SAK-17336

Cheers,

Anthony





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