Squashed 'bridges/' content from commit 062554430

git-subtree-dir: bridges
git-subtree-split: 0625544309ff299307f7e110f252f04eac383102

scripts/update-weights-setup.sh

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+#!/bin/bash
+
+set -exu
+
+# Set up the standardized machine and run `update-weights.sh` script.
+# The system is assumed to be pristine Ubuntu 20.04 and we install
+# all required dependencies.
+
+# To avoid interruptions you might want to run this script in `screen` cause it will take a while
+# to finish.
+
+# We start off with upgrading the system
+apt update && apt dist-upgrade
+
+# and installing `git` and other required deps.
+apt install -y git clang curl libssl-dev llvm libudev-dev screen
+
+# Now we clone the repository
+git clone https://github.com/paritytech/parity-bridges-common.git
+cd parity-bridges-common
+
+# Install rustup & toolchain
+curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | bash -s -- -y
+
+# Source config
+source ~/.cargo/env
+
+# Add nightly and WASM
+rustup install nightly
+rustup target add wasm32-unknown-unknown --toolchain nightly
+
+# Update the weights
+./scripts/update-weights.sh