#! /bin/bash

function main() {
   init
   server
   local name="$(gitname)"
   pack "$name"
}

function init() {
   set -e
   cd "$(dirname "$BASH_SOURCE")"
}

function server() {
   local f="./exec-server"
   GOOS=linux CGO_ENABLED=0 go build -o "$f" -a -installsuffix cgo >&2
   echo "$f"
}

function gitname() {
   local name="$(git describe --tags)"
   if [ -z "$name" ]; then
      name="$(git rev-parse --abbrev-ref HEAD)"
   fi
   echo "$name"
}

function pack() {
   tar -czf "$1.tar" "./exec-server" "./public"
   echo "$1.tar"
}

if [ "$0" == "${BASH_SOURCE[0]}" ]; then
   main "$@"
fi