run

#!/usr/bin/env bash

export COMMIT_HASH=`git rev-parse --short @`
export COMMIT_DATE=`git log -1 --pretty=format:%cI | sed -r -e 's/T.*//' -e 's/-//g'`
export BUILD_DIR="build/"

function PREBUILD {
  go get ./...
}

function BUILD {
  echo "=== ${FUNCNAME[0]} ==="
  echo "GOOS: $GOOS"
  echo "GOARCH: $GOARCH"

  # If $GOOS or $GOARCH is emtpy, remove dashes
  OUT_FILE=`echo "imgops-${GOOS:-_}-${GOARCH:-_}" | sed s/-_//g`
  OUT_FILE+=`go env GOEXE`
  echo "Filename: $OUT_FILE"

  # Use $VERSION if empty use $CI_BUILD_TAG if empty use $CI_BUILD_REF
  VERSION=${VERSION:-${CI_BUILD_TAG:-#${CI_BUILD_REF:0:6}}}
  echo "Version: ${VERSION:-\$VERSION is empty}"

  go build -ldflags "-X main.Version=$VERSION" -o "$BUILD_DIR$OUT_FILE"
}

function TEST {
  echo "=== ${FUNCNAME[0]} ==="
  TEST_URL="https://encrypted.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png"
  OUT_FILE="test.png"
  if [[ ! -f $OUT_FILE ]]; then
    wget -nv $TEST_URL -O $OUT_FILE
  fi
  go test
}

function BUILDALL {
  echo "=== ${FUNCNAME[0]} ==="
  OSES="windows linux darwin"
  for OS in $OSES; do
    export GOOS=$OS
    export GOARCH=amd64
    BUILD
  done
}

function ZIP {
  cd `dirname $1`
  ZIP_FILE=`basename $1 .exe`.zip
  ADD_FILE=`basename $1`
  7za a -tzip $ZIP_FILE $ADD_FILE > /dev/null 2>&1
  echo SHA1: `sha1sum $ZIP_FILE`
}

function ZIPALL {
  export -f ZIP
  find $BUILD_DIR -iname "*" ! -iname "*.zip" -type f -exec bash -c 'ZIP "$1"' - {} \;
}

function HELP {
  echo -e "ImgOps Build Tool\nCommands: prebuild, build, test, buildall, zipall, help"
}

case $1 in
  prebuild)
    PREBUILD ;;
  build)
    BUILD ;;
  test)
    TEST ;;
  buildall)
    BUILDALL ;;
  zipall)
    ZIPALL ;;
  *)
    HELP ;;
esac