Re: [cbi-dev] Rebasing CBI to M5

[Kim Moir <kmoir@xxxxxxxxxx>]

Hi Thanh

The map files are only updated (automatically
by a script) when there are changes in Git. 

When we run a build we compile all the
source code and package them into bundles.  We then run the p2.comparator
to compare the freshly built bundles with the ones in the previous build.
 If the bundles have the same name and content, the freshly built
ones are discarded and we include the newer ones in the new build's child
repository.  This ensures that a user updating their install via p2
or a user installing a new zip will have the same content on disk.  

This also serves to reduce the bandwidth
utilization on eclipse.org.  Users only download bundles when they
have changed.  We don't gratuiously tag repos every build because
this would mean that a user would needlessly install a full slate of bundles
every build.

Kim



From:      
 Thanh Ha <thanh.ha@xxxxxxxxxxx>
To:      
 cbi-dev@xxxxxxxxxxx
Date:      
 03/06/2012 12:40 PM
Subject:    
   Re: [cbi-dev]
Rebasing CBI to M5
Sent by:    
   cbi-dev-bounces@xxxxxxxxxxx

---

Hi Everyone,
 
Going through the map files today and saw something that
has me a bit confused and hoping someone can explain it to me to make it
more clear. What I noticed was the map files for the various repositories
don't seem to map consistently to tags. For example looking at eclipse.jdt.debug.git
repository:
 
% grep "eclipse.jdt.debug.git" * 
jdtdebug.map:plugin@xxxxxxxxxxxxxxx.debug=GIT,tag=v20120302-2319,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.debug.git,path=org.eclipse.jdt.debug
jdtdebug.map:plugin@xxxxxxxxxxxxxxxxxxxxxxxx=GIT,tag=v20120305-1601,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.debug.git,path=org.eclipse.jdt.debug.ui
jdtdebug.map:plugin@xxxxxxxxxxxxxxx.launching=GIT,tag=v20120301-0523,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.debug.git,path=org.eclipse.jdt.launching
jdtdebug.map:plugin@xxxxxxxxxxxxxxx.launching.macosx=GIT,tag=v20120301-0523,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.debug.git,path=org.eclipse.jdt.launching.macosx
jdtdebug.map:plugin@xxxxxxxxxxxxxxxxxxxxxxxxxxxx.macosx=GIT,tag=v20120119-2105,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.debug.git,path=org.eclipse.jdt.launching.ui.macosx
jdtdebug.map:plugin@xxxxxxxxxxxxxxx.debug.tests=GIT,tag=v20120302-2319,repo=git://git.eclipse.org/gitroot/jdt/eclipse.jdt.debug.git,path=org.eclipse.jdt.debug.tests
 
While I can see that each of them are pointing to different
directories in the repositories, I'm a bit confused why each sub directory
in the repository has a different tag referenced. I guess what I'm getting
at is if I'm merging these into the CBI build it seems like I need to merge
different tags in each repository on a per directory basis.
 
 
Thanks,
 
 
Thanh



-----Original Message-----
From: Kim Moir <kmoir@xxxxxxxxxx>
Sent: March 5, 2012 10:05 AM
To: Common-build Developers discussion <cbi-dev@xxxxxxxxxxx>
Cc: 
Subject: Re: [cbi-dev] Rebasing CBI to M5

Hi Thanh 

We tag every build with a tag that corresponds to the build id.

For M5 

For 3.8, this tag would be I20120125-1800 of org.eclipse.releng in /gitroot/platform/eclipse.platform.releng.maps

For 4.2 this tag would be I20120127-1145 of org.eclipse.e4.sdk in /gitroot/e4/org.eclipse.e4.sdk

Kim 



From:        Thanh Ha <thanh.ha@xxxxxxxxxxx>
To:        Common-build Developers
discussion <cbi-dev@xxxxxxxxxxx> 
Date:        03/05/2012 09:47 AM
Subject:        [cbi-dev] Rebasing
CBI to M5 
Sent by:        cbi-dev-bounces@xxxxxxxxxxx

---

Hi Everyone,

I'm working on rebasing the CBI build to M5 and need to understand how
to find 
which branch / tag / etc... is the M5 build. I browsed the various projects
on 
git.eclipse.org and it was not immediately obvious to me which branch/tags
I 
should be looking at. Any help getting me in the right direction would
be much 
appreciated.

Thanks,


Thanh
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