$ git clone -n https://src.fedoraproject.org/rpms/python-pudb.git /var/lib/mock/f45-build-32091-657/root/chroot_tmpdir/scmroot/python-pudb
Cloning into '/var/lib/mock/f45-build-32091-657/root/chroot_tmpdir/scmroot/python-pudb'...
$ git fetch origin e9f5f5a9454248c1debcde292fe0d44d3301b704:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pudb
 * [new ref]         e9f5f5a9454248c1debcde292fe0d44d3301b704 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9f5f5a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild