$ git clone -n https://src.fedoraproject.org/rpms/python-jenkins.git /var/lib/mock/f40-build-2635039-66050/root/chroot_tmpdir/scmroot/python-jenkins
Cloning into '/var/lib/mock/f40-build-2635039-66050/root/chroot_tmpdir/scmroot/python-jenkins'...
$ git fetch origin 60f05d1165ed99badfb95264237afb12df882836:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jenkins
 * [new ref]         60f05d1165ed99badfb95264237afb12df882836 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 60f05d1 Update to 1.8.2 (rhbz#2233791)