$ git clone -n https://src.fedoraproject.org/rpms/mingw-djvulibre.git /var/lib/mock/f45-build-18413-515/root/chroot_tmpdir/scmroot/mingw-djvulibre
Cloning into '/var/lib/mock/f45-build-18413-515/root/chroot_tmpdir/scmroot/mingw-djvulibre'...
$ git fetch origin 7348b0ef8a8af6bffc5f0842cb7a5c0db1fc3271:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-djvulibre
 * [new ref]         7348b0ef8a8af6bffc5f0842cb7a5c0db1fc3271 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7348b0e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild