$ git clone -n https://src.fedoraproject.org/rpms/python-IPy.git /var/lib/mock/f45-build-29192-636/root/chroot_tmpdir/scmroot/python-IPy
Cloning into '/var/lib/mock/f45-build-29192-636/root/chroot_tmpdir/scmroot/python-IPy'...
$ git fetch origin 8aceeb56aaf86dbe1c3eed06a042833717785351:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-IPy
 * [new ref]         8aceeb56aaf86dbe1c3eed06a042833717785351 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8aceeb5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild