branchName

src/org/foo/Stage.groovy

@@ -5,7 +5,7 @@ def debug() {
     print "123"
 }
 
-def checkout(contextDir, gitRepo) {
+def checkout(branchName, contextDir, gitRepo) {
     sh "cp -r /home/quant_group/qg-dockerfiles/templates/ui ${contextDir}"
     git branch: branchName, credentialsId: 'e1ccb1ac-1282-4fb4-b766-530ca1a2a2db', url: "git@gitabc.xyqb.com:${gitRepo}.git"
     sh "git pull origin master"