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question asked: Jun 09 '11, 6:23 a.m.
question was seen: 7,333 times
last updated: Jun 09 '11, 6:23 a.m.

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Creating a baseline programmatically

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Luca Martinucci (1.0k●3●97●112) | asked Jun 09 '11, 6:23 a.m.
Is it possible to programmatically (via Java API or via scm command line) create a component baseline when a delivery is completed?
This function should work this way:
- verify whether each component has changed since the last baseline
- create a baseline on each modified component
Doing this is easy, for example, in ClearCase, but I'm still a newbie in RTC...

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Nick Edgar (6.5k●7●11) | answered Oct 20 '11, 12:50 p.m.
JAZZ DEVELOPER
Yes. A snapshot in RTC is also essentially a composite baseline (the implementation term is BaselineSet). Baselines will be created for each component, unless they're already at a baseline level.

This is actually configurable in the API, but the UI and SCM CLI always create a new baseline if needed.

The API is on interface com.ibm.team.scm.client.IWorkspaceConnection: 

    public IBaselineSetHandle createBaselineSet(Collection excludedComponents, String name,

    		String comment, boolean createNewBaselines, IProgressMonitor monitor) throws TeamRepositoryException;
Luca Martinucci selected this answer as the correct answer

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Nick Edgar (6.5k●7●11) | answered Jun 09 '11, 2:33 p.m.
JAZZ DEVELOPER
Yes, you may use the SCM CLI to create a snapshot on the target workspace/stream (or source workspace). It will create baselines for any components that aren't already at a baseline. 


./scm.sh help create snapshot

Help on create snapshot

Create a new snapshot associated with the workspace or stream. The snapshot will create baselines for itself if necessary.



Aliases: ss



Usage: scm create snapshot [options] <workspace> 

  workspace - Workspace or stream associated with the snapshot (name[@repo], alias, uuid[@repo]).



Options:

  --certificate arg          - The file containing the user's login certificate. 

  --smartCard                - Use the connected smart card for authentication. 

  -d [--description] arg     - Description for the snapshot. 

  -n [--name] arg            - Name for the snapshot. If omitted, the workspace's name will be used. 

  -P [--password] arg        - Password for repository. 

  -r [--repository-uri] arg  - URI specifying the location of repository. 

  -u [--username] arg        - Username for repository.
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Jirong Hu (1.5k●9●295●258) | answered Oct 20 '11, 10:41 a.m.
Yes, you may use the SCM CLI to create a snapshot on the target workspace/stream (or source workspace). It will create baselines for any components that aren't already at a baseline.


I think snapshot is something like "composite baseline" in ClearCase. Question:

1. In CC, when we create a new baseline in a stream has multiple components, it creates a so called composite baseline in the stream. Underline it will create a new baseline on any component has new changes. Will snapshot do the same?

Thanks
Jirong

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