build

#!/bin/bash
set -e

BUILD_DIR=$(cd "$(dirname $0)"; cd ..; pwd)

relabel() {
  chcon -R -t "${1}" "${BUILD_DIR}"
}

if [ -z "$1" ]; then
    OS_PLATFORM_ARG=(-os="darwin linux windows")
else
    OS_PLATFORM_ARG=($1)
fi

if [ -z "$2" ]; then
    OS_ARCH_ARG=(-arch="386 amd64 arm")
else
    OS_ARCH_ARG=($2)
fi

# Build Docker image unless we opt out of it
if [[ -z "$SKIP_BUILD" ]]; then
    docker build -t cfssl-build -f Dockerfile.build .
fi

# Temporarily change SELinux context of build directory
if [[ "$(command getenforce 2>&1)" == "Enforcing" ]]; then
  USER_CONTEXT="$(getfattr --only-values -n security.selinux "${BUILD_DIR}" | awk -F':' '{ print $3 }')"
  CONTAINER_CONTEXT="svirt_sandbox_file_t"

  trap "relabel '${USER_CONTEXT}'" EXIT
  relabel "${CONTAINER_CONTEXT}"
fi

# Get rid of existing binaries
rm -f *-386
rm -f *-amd64
rm -f dist/*
docker run --rm -v `pwd`:/go/src/github.com/cloudflare/cfssl cfssl-build "${OS_PLATFORM_ARG[@]}" "${OS_ARCH_ARG[@]}" -output="dist/{{.Dir}}_{{.OS}}-{{.Arch}}" -ldflags="-w" ./cmd/...