$ git clone -n https://src.fedoraproject.org/rpms/python-helpdev.git /var/lib/mock/f40-build-2059030-49153/root/chroot_tmpdir/scmroot/python-helpdev
Cloning into '/var/lib/mock/f40-build-2059030-49153/root/chroot_tmpdir/scmroot/python-helpdev'...
$ git fetch origin f245c786fc51fe2bd2fc7060e2045911cdf2e3ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-helpdev
 * [new ref]         f245c786fc51fe2bd2fc7060e2045911cdf2e3ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f245c78 Use forgesetupargs with autosetup instead of forgeautosetup