$ git clone -n https://src.fedoraproject.org/rpms/man-pages.git /var/lib/mock/f45-build-4355924-58359/root/chroot_tmpdir/scmroot/man-pages
Cloning into '/var/lib/mock/f45-build-4355924-58359/root/chroot_tmpdir/scmroot/man-pages'...
$ git fetch origin 7584ee1222a16d91b1d9629a98dd095541f9239a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/man-pages
 * [new ref]         7584ee1222a16d91b1d9629a98dd095541f9239a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7584ee1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild