$ git clone -n https://src.fedoraproject.org/rpms/python-pynetdicom.git /var/lib/mock/f39-build-1588477-38226/root/chroot_tmpdir/scmroot/python-pynetdicom
Cloning into '/var/lib/mock/f39-build-1588477-38226/root/chroot_tmpdir/scmroot/python-pynetdicom'...
$ git fetch origin cbe26a386543892d79258dbd2ddedaf89e5d93b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pynetdicom
 * [new ref]         cbe26a386543892d79258dbd2ddedaf89e5d93b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cbe26a3 New sources