$ git clone -n https://src.fedoraproject.org/rpms/python-resend.git /var/lib/mock/f45-build-32758-662/root/chroot_tmpdir/scmroot/python-resend
Cloning into '/var/lib/mock/f45-build-32758-662/root/chroot_tmpdir/scmroot/python-resend'...
$ git fetch origin 6affe1041782053b8355c5d829983de30f973155:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-resend
 * [new ref]         6affe1041782053b8355c5d829983de30f973155 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6affe10 Update to 2.34.0 upstream release