'Jenkins GitHub pull request builder - get branch name for execute shell

I am using Jenkins GitHub pull request builder plugin for running my unit tests when a pull request is made vis a vis a web hook. For the build step, I need to know the name of the branch that is being merged in (e.g. I need develop branch if merging that into master branch). Is there a way to get access to this in the Jenkins execute shell? Thanks,



Solution 1:[1]

In the "Branch Specifier", enter ${sha1}.

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Solution 1 Danijel