$ git clone -n https://src.fedoraproject.org/rpms/libgpuarray.git /var/lib/mock/f31-build-93940-32450/root/chroot_tmpdir/scmroot/libgpuarray
Cloning into '/var/lib/mock/f31-build-93940-32450/root/chroot_tmpdir/scmroot/libgpuarray'...
$ git reset --hard 0787a29f34c5cca4bec786c815eef4fbe2626d18
HEAD is now at 0787a29 BR pyton3-sphinx_rtd_theme to fix FTBFS.