$ git clone -n https://src.fedoraproject.org/rpms/WALinuxAgent.git /var/lib/mock/f39-build-1531953-36219/root/chroot_tmpdir/scmroot/WALinuxAgent
Cloning into '/var/lib/mock/f39-build-1531953-36219/root/chroot_tmpdir/scmroot/WALinuxAgent'...
$ git fetch origin 053021fe928d450ed0c2643b99d7d2a6ffa9a5c1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/WALinuxAgent
 * [new ref]         053021fe928d450ed0c2643b99d7d2a6ffa9a5c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 053021f Update to 2.9.1.1 (#2232763)