#!/bin/bash

set -e

if [ -f /common_functions ]; then

. /common_functions

elif [ -f ./common_functions ]; then

. ./common_functions

fi

git clone $GIT_SRC

cd $GIT_NAME

# KGS release

if [[ "$GIT_BRANCH" == "master" ]]; then

latestTag=$(git describe --abbrev=0 --tags)

files_changed=$(git --no-pager diff --name-only master $(git merge-base $latestTag master) | wc -l )

if [ $files_changed -eq 0 ]; then

echo "No files changed since last release, $latestTag"

exit 0

fi

echo "-------------------------------------------------------------------------------"

echo "Found $files_changed files changed since last release ($latestTag)"

version=$(date +"%-y.%-m.%-d")

echo "Version is $version"

if [[ "$latestTag" == "$version"* ]]; then

if [ ! -z "$HOTFIX" ]; then

echo "HOTFIX parameter received, calculating new version"

version=$(echo $latestTag | awk -F "-" '{print $1"-"($2+1)}')

echo "New version is $version"

else

echo "Version $version already released, run with HOTFIX parameter to re-release."

exit 0

fi

fi

echo "-------------------------------------------------------------------------------"

echo "Updating Dockerfile"

githubApiUrl="https://api.github.com/repos/${GIT_ORG}/${GIT_NAME}/contents/Dockerfile"

curl -s -X GET -H "Authorization: bearer $GIT_TOKEN" -H "Accept: application/vnd.github.VERSION.raw" $githubApiUrl > Dockerfile

if [ $(grep -c "FROM " Dockerfile) -eq 0 ]; then

echo "There was a problem getting the Dockerfile"

cat Dockerfile

exit 1

fi

curl_result=$( curl -s -X GET -H "Authorization: bearer $GIT_TOKEN" $githubApiUrl )

if [ $( echo $curl_result | grep -c '"sha"' ) -eq 0 ]; then

echo "There was a problem with the GitHub API request:"

echo $curl_result

exit 1

fi

sha_file=$(echo $curl_result | jq -r '.sha // empty')

sed -i "s/^ EEA_KGS_VERSION=.*/ EEA_KGS_VERSION=$version/" Dockerfile

result=$(curl -i -s -X PUT -H "Authorization: bearer $GIT_TOKEN" --data "{\"message\": \"Release ${GIT_NAME} $version\", \"sha\": \"${sha_file}\", \"committer\": { \"name\": \"${GIT_USERNAME}\", \"email\": \"${GIT_EMAIL}\" }, \"content\": \"$(printf '%s' $(cat Dockerfile | base64))\"}" $githubApiUrl)

if [ $(echo $result | grep -cE "HTTP/[0-9\.]* 200") -eq 1 ]; then

echo "Dockerfile updated successfully"

else

echo "There was an error updating the Dockerfile, please check the execution"

echo $result

exit 1

fi

echo "-------------------------------------------------------------------------------"

echo "Extracting changelog"

change_log=$(/unifyChangelogs.py $latestTag master json 2> /dev/null)

echo "-------------------------------------------------------------------------------"

echo "Starting the release $version"

curl_result=$( curl -i -s -X POST -H "Authorization: bearer $GIT_TOKEN" --data "{\"tag_name\": \"$version\", \"target_commitish\": \"master\", \"name\": \"$version\", \"body\": $change_log, \"draft\": false, \"prerelease\": false }" https://api.github.com/repos/${GIT_ORG}/${GIT_NAME}/releases )

if [ $( echo $curl_result | grep -cE "HTTP/[0-9\.]* 201" ) -eq 0 ]; then

echo "There was a problem with the release"

echo $curl_result

exit 1

fi

echo "-------------------------------------------------------------------------------"

/dockerhub_release_wait.sh ${DOCKERHUB_KGSREPO} $version

echo "-------------------------------------------------------------------------------"

echo "Starting the kgs-devel release on dockerhub"

echo "curl -H \"Content-Type: application/json\" --data \"{\"source_type\": \"Tag\", \"source_name\": \"$version\"}\" -X POST https://hub.docker.com/api/build/v1/source/$TRIGGER_URL"

curl -i -H "Content-Type: application/json" --data "{\"source_type\": \"Tag\", \"source_name\": \"$version\"}" -X POST https://hub.docker.com/api/build/v1/source/$TRIGGER_URL

echo "-------------------------------------------------------------------------------"

TIME_TO_WAIT_START=60

echo "Wait $TIME_TO_WAIT_START *10 seconds for the build $DOCKERHUB_KGSDEVREPO:$version to be started on DockerHub"

while [ $TIME_TO_WAIT_START -ge 0 ]; do

sleep 10

TIME_TO_WAIT_START=$(( $TIME_TO_WAIT_START - 1 ))

get_dockerhub_buildhistory ${DOCKERHUB_KGSDEVREPO}

FOUND_BUILD=$( echo $buildhistory | grep -E "\{.*\"build_tag\": \"$version\",[^\{]*\"state\": \"(Pending|In progress)\".*\}" | wc -l )

if [ $FOUND_BUILD -gt 0 ];then

echo "DockerHub started the $DOCKERHUB_KGSDEVREPO:$version release"

break

fi

if [ ! -z "$TRIGGER_URL" ] && ! (( TIME_TO_WAIT_START % 10 )); then

echo "One minute passed, build not starting , will use trigger to re-start build"

curl -i -H "Content-Type: application/json" --data "{\"source_type\": \"Tag\", \"source_name\": \"$version\"}" -X POST https://hub.docker.com/api/build/v1/source/$TRIGGER_URL

fi

done

fi

exec "$@"