[JENKINS-26540] notifyCommit pushes with a sha1 trigger builds where scm polling is not enabled

Not sure if this is a bug or expected behaviour, but its a bit confusing.

If I call the notifyCommit URL without a sha1, then the build only triggers if 'scm polling' is enabled. However, if a sha1 is provided then the build triggers regardless.

I realise that when the sha1 is provided, strictly speaking this isn't 'polling' happening. However this means that the only way to disable triggering (eg for a nightly sonar build) is to enable the scm trigger, set no time and then select the "Ignore post-commit hooks" option. ie:

• polling disabled - triggers if and only if a sha1 was provided


• polling enabled - triggers


• polling enabled but skipped - doesn't trigger

this is a but unintuitive and confusing. The git plugin should require that polling is enabled (even with an empty time), just like it does if a sha1 isn't provided.

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Originally reported by bbaetz, imported from: notifyCommit pushes with a sha1 trigger builds where scm polling is not enabled

• status: Open
  
• priority: Minor
  
• component(s): git-plugin
  
• resolution: Unresolved
  
• votes: 3
  
• watchers: 5
  
• imported: 2025-12-02
  

Raw content of original issue

Not sure if this is a bug or expected behaviour, but its a bit confusing.


If I call the notifyCommit URL without a sha1, then the build only triggers if 'scm polling' is enabled. However, if a sha1 is provided then the build triggers regardless.


I realise that when the sha1 is provided, strictly speaking this isn't 'polling' happening. However this means that the only way to disable triggering (eg for a nightly sonar build) is to enable the scm trigger, set no time and then select the "Ignore post-commit hooks" option. ie:




	
polling disabled - triggers if and only if a sha1 was provided

	
polling enabled - triggers

	
polling enabled but skipped - doesn't trigger



this is a but unintuitive and confusing. The git plugin should require that polling is enabled (even with an empty time), just like it does if a sha1 isn't provided.