$ git clone -n https://src.fedoraproject.org/rpms/pyserial-asyncio.git /var/lib/mock/f45-build-29165-636/root/chroot_tmpdir/scmroot/pyserial-asyncio
Cloning into '/var/lib/mock/f45-build-29165-636/root/chroot_tmpdir/scmroot/pyserial-asyncio'...
$ git fetch origin 616ccb4346a1f24175f4d210b7ee7d9a1820312e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pyserial-asyncio
 * [new ref]         616ccb4346a1f24175f4d210b7ee7d9a1820312e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 616ccb4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild