$ git clone -n https://src.fedoraproject.org/rpms/python-dbusmock.git /var/lib/mock/f39-build-1454664-32911/root/chroot_tmpdir/scmroot/python-dbusmock
Cloning into '/var/lib/mock/f39-build-1454664-32911/root/chroot_tmpdir/scmroot/python-dbusmock'...
$ git fetch origin 2d4219821f1c35885c50b6f1d70ec99c6c5ed4ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-dbusmock
 * [new ref]         2d4219821f1c35885c50b6f1d70ec99c6c5ed4ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d42198 [packit] 0.29.1 upstream release