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#!/bin/bash -vex

set -x -e

# Inputs, with defaults

: RUST_REPOSITORY ${RUST_REPOSITORY:=https://github.com/rust-lang/rust}
: RUST_BRANCH     ${RUST_BRANCH:=stable}

: WORKSPACE       ${WORKSPACE:=/home/worker}

set -v

# Check out rust sources
git clone $RUST_REPOSITORY -b $RUST_BRANCH ${WORKSPACE}/rust

# Report version
VERSION=$(git -C ${WORKSPACE}/rust describe --tags --dirty)
COMMIT=$(git -C ${WORKSPACE}/rust rev-parse HEAD)
echo "rust ${VERSION} (commit ${COMMIT})" | tee rust-version