A simple golang cross compile script

gocp.sh

#!/bin/sh

# A simple golang(go 1.5+) cross compile script.

# Usage `gocp.sh [os] [version]`, default OS linux/mac/freebsd/window 64 binary with bzip2 format or zip(only windows) compression format with `latest` version.

# output pattern `os-arch-version.tar.bz2` or `os-arch-version.zip`

name=${PWD##*/}
v=$2

if [ -z "$v" ]; then
  v="latest"
fi

build() {
  GOOS=$1 GOARCH=$2 go build

  case $3 in
    tar)
      tar jcf "$name-$1-$2-$v.tar.bz2" $name && rm -f $name
      ;;
    zip)
      zip "$name-$1-$2-$v.zip" $name.exe && rm -f $name.exe
      ;;
    *)
      echo "unsupport format $3"
      ;;
  esac
}

case "$1" in 
  linux)
    build linux amd64 tar
    #build linux 386 tar
    ;;
  darwin)
    build darwin amd64 tar
    ;;
  windows)
    build windows amd64 zip
    #build windows 386 zip
    ;;
  freebsd)
    build freebsd amd64 tar
    ;;
  *)
    build linux amd64 tar
    build darwin amd64 tar
    build freebsd amd64 tar
    build windows amd64 zip
    ;;
esac