$ git clone -n https://src.fedoraproject.org/rpms/python-pytzdata.git /var/lib/mock/f38-build-side-42-init-devel-953547-28786/root/chroot_tmpdir/scmroot/python-pytzdata
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-953547-28786/root/chroot_tmpdir/scmroot/python-pytzdata'...
$ git fetch origin ed647403d8e65db4b4e1d5bf99c95a67f0e08b20:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pytzdata
 * [new ref]         ed647403d8e65db4b4e1d5bf99c95a67f0e08b20 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed64740 Adjusted downstream patches names.