[JENKINS-30087] Jenkins doesn't fail when nonexistant Branch Name is specified

This only happens when multiple git repositories are used.

Steps to reproduce:

1. Create a Project with 2 git repositories


2. For "Branches to build" specify an existing branch


3. build the project


4. Change "Branches to build" to "non_existing_branch"


5. build again

Expected result:

The build should fail

Result:

The build succeeds. The last checkout is simply left as is.

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Originally reported by stefank, imported from: Jenkins doesn't fail when nonexistant Branch Name is specified

• status: Open
  
• priority: Major
  
• component(s): git-plugin
  
• resolution: Unresolved
  
• votes: 0
  
• watchers: 2
  
• imported: 2025-12-02
  

Raw content of original issue

This only happens when multiple git repositories are used.


Steps to reproduce:



	
Create a Project with 2 git repositories

	
For "Branches to build" specify an existing branch

	
build the project

	
Change "Branches to build" to "non_existing_branch"

	
build again



Expected result:

The build should fail


Result:

The build succeeds. The last checkout is simply left as is.

• environment: jenkins: 1.609.2, git-plugin: 2.4.0