$ git clone -n https://src.fedoraproject.org/rpms/package-notes.git /var/lib/mock/f45-build-715-287/root/chroot_tmpdir/scmroot/package-notes
Cloning into '/var/lib/mock/f45-build-715-287/root/chroot_tmpdir/scmroot/package-notes'...
$ git fetch origin cd55b7578ee41f1af0731c4190b4dd11330cffed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/package-notes
 * [new ref]         cd55b7578ee41f1af0731c4190b4dd11330cffed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd55b75 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild