$ git clone -n https://src.fedoraproject.org/rpms/pdd.git /var/lib/mock/f45-build-21494-586/root/chroot_tmpdir/scmroot/pdd
Cloning into '/var/lib/mock/f45-build-21494-586/root/chroot_tmpdir/scmroot/pdd'...
$ git fetch origin b0fd7efbfac59af60b139285584a35acf97eddfd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pdd
 * [new ref]         b0fd7efbfac59af60b139285584a35acf97eddfd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0fd7ef Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild