#!/usr/bin/env bash set -e ## Check parameters & set defaults. if [[ -z "$ARCH_AND_OS" ]]; then echo "ARCH_AND_OS is required" exit 1 fi if [[ -z "$SCCACHE_AZURE_CONNECTION_STRING" ]]; then echo "SCCACHE_AZURE_CONNECTION_STRING is required" exit 1 fi SCCACHE_LOG=${SCCACHE_LOG:-info} # set to 'debug' or 'trace' for more verbose logging SUDO=${SUDO:-false} ## Ensure Github Actions print stdout and stderr data in correct order. exec 2>&1 ## Download and install sccache. if [[ ! -e /usr/local/bin/sccache ]]; then echo "::group::Download sccache" wget --output-document sccache.tar.gz "https://github.com/mozilla/sccache/releases/download/v0.8.2/sccache-v0.8.2-$ARCH_AND_OS.tar.gz" echo "::endgroup::" set -x tar xzf sccache.tar.gz rm sccache.tar.gz sudo mv sccache*/sccache /usr/local/bin/sccache rm -rf sccache* fi ## Set up sccache as a compiler wrapper. set -x echo "PATH=/usr/local/libexec/sccache:/usr/local/bin:$PATH" >> "$GITHUB_ENV" sudo mkdir -p /usr/local/libexec/sccache for PROG in cc c++; do FULLPATH=$(command -v "$PROG") echo '#!/bin/sh' > "$PROG" echo "exec /usr/local/bin/sccache $FULLPATH \"\$@\"" >> "$PROG" chmod +x "$PROG" sudo mv "$PROG" /usr/local/libexec/sccache/ done ## Update environment variables. HAS_SCCACHE_IN_PATH=$(ruby -e 'puts ENV["PATH"].split(":").include?("/usr/local/bin")') if ! $HAS_SCCACHE_IN_PATH; then echo "PATH=/usr/local/bin:$PATH" >> "$GITHUB_ENV" fi HAS_COMPILER_WRAPPERS_IN_PATH=$(ruby -e 'puts ENV["PATH"].split(":").include?("/usr/local/libexec/sccache")') if $HAS_COMPILER_WRAPPERS_IN_PATH; then # When starting the sccache server, the compiler wrappers must *not* be in PATH # so that the sccache server uses the non-wrapped compilers. PATH=$(ruby -e 'paths = ENV["PATH"].split(":"); paths.delete("/usr/local/libexec/sccache"); puts paths.join(":")') export PATH else echo "PATH=/usr/local/libexec/sccache:$PATH" >> "$GITHUB_ENV" fi ## Start sccache server. rm -f sccache.log export RUST_LOG_STYLE=always export SCCACHE_LOG export SCCACHE_IDLE_TIMEOUT=0 export SCCACHE_ERROR_LOG="$(pwd)/sccache.log" echo "SCCACHE_ERROR_LOG=$SCCACHE_ERROR_LOG" >> "$GITHUB_ENV" if $SUDO; then sudo -E env SCCACHE_START_SERVER=1 sccache else env SCCACHE_START_SERVER=1 sccache fi set +x echo "Waiting until sccache server is started..." while [[ ! -e sccache.log ]]; do sleep 0.1 done sleep 0.5 echo "sccache server is started."