thodg/libgit2/ci/getcontainer.sh

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• Hash : 2ee753a2
  Author :
  Date : 2022-04-19T11:55:49
  

  ci: some debugging output for containers

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• ci/getcontainer.sh

• #!/bin/bash
  
  set -e
  
  IMAGE_NAME=$1
  DOCKERFILE_PATH=$2
  
  if [ "${IMAGE_NAME}" = "" ]; then
  	echo "usage: $0 image_name [dockerfile]"
  	exit 1
  fi
  
  if [ "${DOCKERFILE_PATH}" = "" ]; then
  	DOCKERFILE_PATH="${IMAGE_NAME}"
  fi
  
  if [ "${DOCKER_REGISTRY}" = "" ]; then
  	echo "DOCKER_REGISTRY environment variable is unset."
  	echo "Not running inside GitHub Actions or misconfigured?"
  	exit 1
  fi
  
  DOCKER_CONTAINER="${GITHUB_REPOSITORY}/${IMAGE_NAME}"
  DOCKER_REGISTRY_CONTAINER="${DOCKER_REGISTRY}/${DOCKER_CONTAINER}"
  
  echo "dockerfile=${DOCKERFILE_PATH}" >> $GITHUB_ENV
  echo "docker-container=${DOCKER_CONTAINER}" >> $GITHUB_ENV
  echo "docker-registry-container=${DOCKER_REGISTRY_CONTAINER}" >> $GITHUB_ENV
  
  # Identify the last git commit that touched the Dockerfiles
  # Use this as a hash to identify the resulting docker containers
  DOCKER_SHA=$(git log -1 --pretty=format:"%h" -- "${DOCKERFILE_PATH}")
  echo "docker-sha=${DOCKER_SHA}" >> $GITHUB_ENV
  
  DOCKER_REGISTRY_CONTAINER_SHA="${DOCKER_REGISTRY_CONTAINER}:${DOCKER_SHA}"
  
  echo "docker-registry-container-sha=${DOCKER_REGISTRY_CONTAINER_SHA}" >> $GITHUB_ENV
  echo "docker-registry-container-latest=${DOCKER_REGISTRY_CONTAINER}:latest" >> $GITHUB_ENV
  
  echo "::: logging in to ${DOCKER_REGISTRY} as ${GITHUB_ACTOR}"
  
  exists="true"
  docker login https://${DOCKER_REGISTRY} -u ${GITHUB_ACTOR} -p ${GITHUB_TOKEN} || exists="false"
  
  echo "::: pulling ${DOCKER_REGISTRY_CONTAINER_SHA}"
  
  if [ "${exists}" != "false" ]; then
  	docker pull ${DOCKER_REGISTRY_CONTAINER_SHA} || exists="false"
  fi
  
  if [ "${exists}" = "true" ]; then
  	echo "docker-container-exists=true" >> $GITHUB_ENV
  else
  	echo "docker-container-exists=false" >> $GITHUB_ENV
  fi
  

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