$ git clone -n https://src.fedoraproject.org/rpms/mstflint.git /var/lib/mock/f40-build-2265424-54599/root/chroot_tmpdir/scmroot/mstflint
Cloning into '/var/lib/mock/f40-build-2265424-54599/root/chroot_tmpdir/scmroot/mstflint'...
$ git fetch origin 7e5ffcd42c2c75362c448ad7e1e089c124250963:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mstflint
 * [new ref]         7e5ffcd42c2c75362c448ad7e1e089c124250963 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e5ffcd Rebuilt for Boost 1.83