--- /dev/null
+#!/bin/bash
+
+set -e
+
+case $1 in
+ "prepare")
+ # FIXME Automatically detect latest nightly
+ read -p "Date of nightly to use (aka yesterday GMT): " TOOLCHAIN
+
+ echo "=> Installing new nightly"
+ rustup toolchain install --profile minimal nightly-${TOOLCHAIN} # Sanity check to see if the nightly exists
+ echo nightly-${TOOLCHAIN} > rust-toolchain
+
+ echo "=> Uninstalling all old nighlies"
+ for nightly in $(rustup toolchain list | grep nightly- | grep -v $TOOLCHAIN); do
+ rustup toolchain uninstall $nightly
+ done
+
+ ./clean_all.sh
+ ./prepare.sh
+ ;;
+ "commit")
+ git commit -m "$(rustc -V)"
+ ;;
+ *)
+ echo "Unknown command '$1'"
+ echo "Usage: ./rustup.sh prepare|commit"
+ ;;
+esac