$ git clone -n https://src.fedoraproject.org/rpms/xsimd.git /var/lib/mock/f31-build-61129-28827/root/chroot_tmpdir/scmroot/xsimd
Cloning into '/var/lib/mock/f31-build-61129-28827/root/chroot_tmpdir/scmroot/xsimd'...
$ git reset --hard d8bd0b6c0b9ee13ac1bd4e66a9bab3864fa8b269
HEAD is now at d8bd0b6 Allow all architectures