[Qa-jenkins-scm] Build failed in Jenkins: lvc_debian-miniiso #10

[jenkins at jenkins.debian.net]

See <https://jenkins.debian.net/job/lvc_debian-miniiso/10/>

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Started by upstream project "d-i_pu-triggered_debian-installer" build number 7
originally caused by:
 Started by upstream project "d-i_pu-build_preseed" build number 21
 originally caused by:
  Started by an SCM change
Building remotely on profitbricks-build10-amd64.debian.net (profitbricks10 lvc amd64) in workspace <https://jenkins.debian.net/job/lvc_debian-miniiso/ws/>
[lvc_debian-miniiso] $ /bin/sh -xe /tmp/hudson964594107909184536.sh
+ /srv/jenkins/bin/jenkins_master_wrapper.sh use_PU_GIT_BRANCH /srv/jenkins/cucumber/features --tags ~@broken
/srv/jenkins/bin/jenkins_master_wrapper.sh: line 28: PU_GIT_BRANCH: unbound variable
Build step 'Execute shell' marked build as failure