$ git clone -n https://src.fedoraproject.org/rpms/tth.git /var/lib/mock/f33-build-131632-41062/root/chroot_tmpdir/scmroot/tth
Cloning into '/var/lib/mock/f33-build-131632-41062/root/chroot_tmpdir/scmroot/tth'...
$ git reset --hard 318f82b3d5a546b5d0acc643375d4054308ecc44
HEAD is now at 318f82b Add -buffer-underflow patch to fix FTBFS with GCC 10.