$ git clone -n https://src.fedoraproject.org/rpms/python-pyasyncore.git /var/lib/mock/f45-build-32072-657/root/chroot_tmpdir/scmroot/python-pyasyncore
Cloning into '/var/lib/mock/f45-build-32072-657/root/chroot_tmpdir/scmroot/python-pyasyncore'...
$ git fetch origin 071d6080cd7ce7ade60e17e4b7a7beed6d04b53f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyasyncore
 * [new ref]         071d6080cd7ce7ade60e17e4b7a7beed6d04b53f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 071d608 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild