$ git clone -n https://src.fedoraproject.org/rpms/python-zope-testrunner.git /var/lib/mock/f39-build-1631355-39706/root/chroot_tmpdir/scmroot/python-zope-testrunner
Cloning into '/var/lib/mock/f39-build-1631355-39706/root/chroot_tmpdir/scmroot/python-zope-testrunner'...
$ git fetch origin 54cddeb3b26eaab89616cffdf35f084eafe4cad9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-zope-testrunner
 * [new ref]         54cddeb3b26eaab89616cffdf35f084eafe4cad9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 54cddeb Version 6.1