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Bug
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Resolution: Not A Defect
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Major
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Jenkins 2.19.3 LTS, pipeline multibranch plugin 2.9.2
The attached Jenkinsfile performs an additional checkout step from "some other" location than the Jenkinsfile repo.
When used in a multibranch pipeline, changes to the "other" repo are not detected by the branch indexer. A normal pipeline job using the same Jenkinsfile will correctly poll for changes to this other repo.
Test Repo Structure
- root-folder
|- branches
|- branch-a
|- foo.txt
|- Jenkinsfile
|- branch-b
|- bar.txt
|- Jenkinsfile (same as branch-a)
|- other-lib
|- baz.txt
Pipeline Job (correct polling)
- Poll SCM: Enabled (H/10 * * * *)
- Pipeline script from SCM: https://url/to/branches/branch-a
- Local Module Directory: empty
1. Build once, observe checkout from branch-a and other-lib as per Jenkinsfile
2. Modify other-lib/baz.txt in SCM
3. Observe polling log detect changes to other-lib:
Received SCM poll call on master for PipelinePollTest on 02-Dec-2016 08:17:01 https://192.168.0.31/svn/base/branches/personal/jamie/jenkins-bug-repro/branches/branch-a is at revision 43,233 Received SCM poll call on master for PipelinePollTest on 02-Dec-2016 08:17:01 https://192.168.0.31/svn/base/branches/personal/jamie/jenkins-bug-repro/other-lib is at revision 43,235 (changed from 43,234) Done. Took 47 ms Changes found
Multibranch Pipeline Job (branch indexing)
- Project Base: https://url/to/branches
- Include Branches: *
- Periodically if not otherwise run: 1 minute
1. Initial branch indexing detects both branches and generates subjobs / schedules them
2. Modify other-lib/baz.txt in SCM
3. Observe indexing log does not detect this change
Started by timer Opening conection to https://192.168.0.31/svn/base/branches/personal/jamie/jenkins-bug-repro/branches/ Checking directory /branches/personal/jamie/jenkins-bug-repro/branches@HEAD Checking candidate branch /branches/personal/jamie/jenkins-bug-repro/branches/branch-a@43233 Met criteria No changes detected in branch-a (still at 43233) Checking candidate branch /branches/personal/jamie/jenkins-bug-repro/branches/branch-b@43233 Met criteria No changes detected in branch-b (still at 43233) Finished: SUCCESS
Expected Result
For the behaviour to be consistent between these two job types - the branch indexer should be able to detect these changes considering comment on JENKINS-34737 stating this polling behaviour is subsumed into the indexing. (https://issues.jenkins-ci.org/browse/JENKINS-34737?focusedCommentId=262423&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-262423)
- relates to
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JENKINS-32018 Multibranch workflow project tracking multiple repositories
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- Open
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