$ git clone -n https://src.fedoraproject.org/rpms/python-flask-mail.git /var/lib/mock/f45-build-30711-647/root/chroot_tmpdir/scmroot/python-flask-mail
Cloning into '/var/lib/mock/f45-build-30711-647/root/chroot_tmpdir/scmroot/python-flask-mail'...
$ git fetch origin ed69e86b42c378237357ea5d474e71f8160e66e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-flask-mail
 * [new ref]         ed69e86b42c378237357ea5d474e71f8160e66e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed69e86 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild