$ git clone -n https://src.fedoraproject.org/rpms/python-asyncstdlib.git /var/lib/mock/f45-build-29472-639/root/chroot_tmpdir/scmroot/python-asyncstdlib
Cloning into '/var/lib/mock/f45-build-29472-639/root/chroot_tmpdir/scmroot/python-asyncstdlib'...
$ git fetch origin 78000bef582f7cf11333e155d5f588e7ba8bca90:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-asyncstdlib
 * [new ref]         78000bef582f7cf11333e155d5f588e7ba8bca90 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78000be Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild