Add build script

#!/bin/bash

set -e

# Directory where this script is located.

scriptDir=$(dirname -- "$(readlink -f -- "$BASH_SOURCE")") 

buildDir="${scriptDir}/build"

# Copy api server binary to initrd build dir.

cp "${scriptDir}/cryptops/bin/cryptops-api" "${buildDir}/bin/cryptops-api"

# Store api server version information.

versionInfoFile="${buildDir}/etc/cryptops-api/version.txt"

cd "${scriptDir}/cryptops"

git rev-parse --abbrev-ref HEAD > "${versionInfoFile}"

git log -1 >> "${versionInfoFile}"

# Copy api client script and associated binaries to initrd build dir.

cp "${scriptDir}/cryptops/cryptops-client/cryptops-client" "${buildDir}/usr/bin/cryptops-client"

cp "${scriptDir}/cryptops/cryptops-client/local/jq" "${buildDir}/usr/bin/jq"

# Store client version information.

versionInfoFile="${buildDir}/etc/cryptops-client/version.txt"

cd "${scriptDir}/cryptops/cryptops-client"

git rev-parse --abbrev-ref HEAD > "${versionInfoFile}"

git log -1 >> "${versionInfoFile}"

cd "${buildDir}"

find . | cpio -H newc -o | gzip -  > "${scriptDir}/ramdisk"

cd "${scriptDir}"