[jbosstools-issues] [JBoss JIRA] (JBIDE-12475) Split JBoss Tools into several functional groups of components for migration to Github

[Nick Boldt (JIRA)]

    [ https://issues.jboss.org/browse/JBIDE-12475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12718517#comment-12718517 ] 

Nick Boldt commented on JBIDE-12475:
------------------------------------

New forge component repo contains nothing in the 3.2.x branches and on disk is only 70M instead of 1.1G!

https://github.com/nickboldt/jbosstools-forge

I've updated the script to take into account:
* creation of target component folder if it doesn't exist on the specified branch (eg. forge was added in 3.3 so doesn't exist in 3.2.2.Final tag or 3.2.x branch)
* incremental pushing (1 per branch), with +force 
* instructions for reverting a filter-branch (needs to be connected to an origin (remote server) to work)
* cleaner README.md content
* instructions for setting default branch in github (because the old 3.2 branch will be selected by default, as first alphabetic selection)
                
> Split JBoss Tools into several functional groups of components for migration to Github
> --------------------------------------------------------------------------------------
>
>                 Key: JBIDE-12475
>                 URL: https://issues.jboss.org/browse/JBIDE-12475
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: Build/Releng
>    Affects Versions: 4.0.0.Alpha1
>            Reporter: Nick Boldt
>            Assignee: Nick Boldt
>             Fix For: 4.0.0.Beta1
>
>         Attachments: Components-Final .gliffy, Components-Final .png, git-decomposition-bigger.png, git-decomposition.png, git-decomposition1.png
>
>
> As part of the planned migration to git [0] it's been suggested that we combine some of the existing components into larger groups [1] so that it's more manageable in terms of checking out sources and tagging/branching [2]. 
> Because 25 is a large number, and 1 is a small number, and we need some happy compromise.
> Here's my proposal for how to divide the JBT 4.0 sources into 7 github repos (chunks), comprising 4 tiers of dependency. This is akin to the +0, +1, +2, +3 labels assigned to projects within the annual Eclipse release trains [3], used to define delivery times based on dependencies between projects.
> {code:title=TIER 0: no upstream JBoss.org chunks}
> Base = tests + common + usage
> {code}
> {code:title=TIER 1: 1 upstream chunk, Base}
> AppServer = openshift + as + archives + jmx + ws
>   -> depends on Base
> Hibernate/Birt/Freemarker = hibernate + birt + freemarker
>   -> depends on Base
> Visual Editing = vpe + xulrunner + gwt + struts + jsf + jst + cdi
>   -> depends on Base
> Forge = forge
>   -> Depends on Base
> {code}
> {code:title=TIER 2: 4 upstream chunks}
> Seam/Runtime = Seam + Runtime 
>   -> depends on Hib + Vis + AppServer + Base
> {code}
> {code:title=TIER 3: 5 upstream chunks}
> Central/Examples/Maven/Portlet = central + examples + maven + portlet
>   -> depends on Seam/Runtime + Hib + Vis + AppServer + Base
> {code}
> I'm not thrilled with the names of the chunks, as something like "Central/Examples/Maven/Portlet" doesn't exactly roll off the tongue. If you have better names for the chunks, please suggest them.
> But regardless of name, I think the above separation of concerns, and the implied build sequence workflow makes a lot of sense. 
> [0] http://tinyurl.com/git-migration-plan
> [1] http://ether-man.rhcloud.com/p/build.next
> [2] http://ether-man.rhcloud.com/p/jbosstools-2012-08-23
> [3] http://wiki.eclipse.org/Juno/Simultaneous_Release_Plan#Milestones_and_Release_Candidates - "These delivery times are based on the dependencies between projects. They are labeled +0, +1, +2, and +3, with +0 coming first (the Platform) and +3 coming last (EPP). Projects themselves decide if they are +0, +1, +2, or +3."

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