libgit2/ci/getcontainer.sh at executable · novalis/libgit2 · GitHub

executable file

51 lines (38 loc) · 1.52 KB

#!/bin/bash

set -e

IMAGE_NAME=$1

DOCKERFILE_PATH=$2

if [ "${IMAGE_NAME}" = "" ]; then

echo "usage: $0 image_name [dockerfile]"

exit 1

if [ "${DOCKERFILE_PATH}" = "" ]; then

DOCKERFILE_PATH="${IMAGE_NAME}"

if [ "${DOCKER_REGISTRY}" = "" ]; then

echo "DOCKER_REGISTRY environment variable is unset."

echo "Not running inside GitHub Actions or misconfigured?"

exit 1

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

exists="true"

docker login https://${DOCKER_REGISTRY} -u ${GITHUB_ACTOR} -p ${GITHUB_TOKEN} || exists="false"

if [ "${exists}" != "false" ]; then

docker pull ${DOCKER_REGISTRY_CONTAINER_SHA} || exists="false"

if [ "${exists}" = "true" ]; then

echo "docker-container-exists=true" >> $GITHUB_ENV

else

echo "docker-container-exists=false" >> $GITHUB_ENV

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