entrypoint.sh

#!/bin/sh
set -e

if [ -z "${INPUT_NAME}" ]; then
  echo "Unable to find the repository name. Did you set with.name?"
  exit 1
fi

if [ -z "${INPUT_USERNAME}" ]; then
  echo "Unable to find the username. Did you set with.username?"
  exit 1
fi

if [ -z "${INPUT_PASSWORD}" ]; then
  echo "Unable to find the password. Did you set with.password?"
  exit 1
fi

BRANCH=$(echo ${GITHUB_REF} | sed -e "s/refs\/heads\///g")

if [ "${BRANCH}" == "master" ]; then
  BRANCH="latest"
fi;

# if contains /refs/tags/
if [ $(echo ${GITHUB_REF} | sed -e "s/refs\/tags\///g") != ${GITHUB_REF} ]; then
  BRANCH="latest"
fi;

echo ${INPUT_PASSWORD} | docker login -u ${INPUT_USERNAME} --password-stdin ${INPUT_REGISTRY}

DOCKERNAME="${INPUT_NAME}:${BRANCH}"
BUILDPARAMS="${INPUT_EXTRA_BUILD_PARAMS}"

if [ ! -z "${INPUT_DOCKERNAME_APPENDIX}" ]; then
  DOCKERNAME="$DOCKERNAME${INPUT_DOCKERNAME_APPENDIX}"
fi

if [ ! -z "${INPUT_DOCKERFILE}" ]; then
  BUILDPARAMS="$BUILDPARAMS -f ${INPUT_DOCKERFILE}"
fi

if [ ! -z "${INPUT_CACHE}" ]; then
  docker pull ${DOCKERNAME}
  BUILDPARAMS="$BUILDPARAMS --cache-from ${DOCKERNAME}"
fi

if [ "${INPUT_SNAPSHOT}" == "true" ]; then
  timestamp=`date +%Y%m%d%H%M%S`
  shortSha=$(echo "${GITHUB_SHA}" | cut -c1-6)
  SHA_DOCKER_NAME="${INPUT_NAME}:${timestamp}${shortSha}"
  docker build $BUILDPARAMS -t ${DOCKERNAME} -t ${SHA_DOCKER_NAME} .
  docker push ${DOCKERNAME}
  docker push ${SHA_DOCKER_NAME}
elif [ "${INPUT_TAGGING}" == "true" ]; then
  DOCKER_TAG=$(echo ${GITHUB_REF} | sed -e 's/refs\/tags\/v//')
  docker build $BUILDPARAMS -t ${INPUT_NAME}:latest -t ${INPUT_NAME}:${DOCKER_TAG} .
  docker push ${INPUT_NAME}:latest
  docker push ${INPUT_NAME}:${DOCKER_TAG}
else
  docker build $BUILDPARAMS -t ${DOCKERNAME} .
  docker push ${DOCKERNAME}
fi

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