#!/bin/bash
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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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set -e
set -u
set -o pipefail

cargo install --version 0.7.* sccache

# The docs specifically recommend hard links: https://github.com/mozilla/sccache#known-caveats
mkdir /opt/sccache
ln "$(which sccache)" /opt/sccache/cc
ln "$(which sccache)" /opt/sccache/c++

# Only add clang if it's on the PATH
if command -v clang &> /dev/null
then
    ln "$(which sccache)" /opt/sccache/clang
    ln "$(which sccache)" /opt/sccache/clang++
fi


# make rust usable by all users after install during container build
chmod -R a+rw /opt/rust
