$ git clone -n https://src.fedoraproject.org/rpms/doxygen.git /var/lib/mock/f40-build-736517-106639/root/chroot_tmpdir/scmroot/doxygen
Cloning into '/var/lib/mock/f40-build-736517-106639/root/chroot_tmpdir/scmroot/doxygen'...
$ git reset --hard ad93326fec45e08698d12b0ac89eded209e518eb
HEAD is now at ad93326 fix bz#2235035, update to 1.9.8