How to execute Jenkinsfile with gerrit trigger plugin for changeset in jenkins?

Question

We use gerrit-trigger in Jenkins, the build is triggered when a new changeset is pushed for review.

Now we want to introduce pipeline and use solution Defining a pipeline in scm

Therefore we expect when the build is triggered, below pipeline plugin can work to checkout this refspec

But the ${GERRIT_REFSPEC} doesn't effect here, it checkouts the master still

 > git rev-parse refs/remotes/origin/master^{commit} # timeout=10
 > git rev-parse refs/remotes/origin/origin/master^{commit} # timeout=10
Checking out Revision adf5d360582b1b24f088cfa8ac0f0ebf64a57692 (refs/remotes/origin/master)
Commit message: "DO:CI End of summer"
 > git config core.sparsecheckout # timeout=10
 > git checkout -f adf5d360582b1b24f088cfa8ac0f0ebf64a57692

Any suggestion how it can work?

Gesellschaft

Answer 1

I think you need to set:

Repositories > Refspec               = $GERRIT_REFSPEC:$GERRIT_REFSPEC
Branches to build > Branch Specifier = $GERRIT_REFSPEC

Important: do not forget to uncheck the "Lightweight checkout" option.

Ofilia

Thx, but no, I got error stderr: fatal: Couldn't find remote ref refs/heads/$GERRIT_REFSPEC, the git plugin here is used under pipeline configuration, the variable is not available. – Gesellschaft

I was able to reproduce your issue and added more info. – Vacate

Unbelievable !!, it works, can you give me reference why it works? – Gesellschaft

The "Lightweight checkout" is a special mode to improve efficiency. Click on the "?" and see that "build parameters will not be substituted into SCM configuration in this mode". – Vacate

I didn't quite get that answer until I clicked on that "Advanced" button, which reveal the Refspec field. It works! Thank you. – Quack

Answer 2

Or you can use in Jenkins job.

Refspec: ${GERRIT_REFSPEC}

Branch Specifier: FETCH_HEAD.

Fetich

Answer 3

uncheck “Lightweight checkout” is enough!! gerrit-trigger plugin should mention this! it wasted my half day!

Mccaffrey