autoMergeRequest.sh

.gitlab-ci.yml

job:autoupdate:
  image: php:7.3-cli
  only:
    - schedules
  before_script:
    # Install composer dependencies
    - apt-get update -y >/dev/null  && apt-get install -y libpng-dev git zip unzip >/dev/null
    - docker-php-ext-install calendar gd >/dev/null
    - php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
    - php composer-setup.php >/dev/null
    - php -r "unlink('composer-setup.php');"
    - mv composer.phar /usr/local/bin/composer
    - git config --global user.email '*****@substrakt.com'
    - git config --global user.name 'Hero Bot'
  script:
    - export MERGE_DESCRIPTION=`composer update --no-ansi 2>&1 | php -r 'echo str_replace("\"", "", json_encode(file_get_contents("php://stdin")));'`
    - if [ $(git diff | wc -l) -eq "0" ]; then echo "No updates found, exiting"; exit; fi
    - git remote set-url origin https://gitlab-ci:${CI_PUSH_TOKEN}@gitlab.com/${CI_PROJECT_PATH}.git
    - git checkout -B update
    - "git commit -am 'UPDATE: Composer Update\n\n🤖'"
    - git push --follow-tags origin update -f
    - ./.gitlab/autoMergeRequest.sh

automerge.sh

#!/usr/bin/env bash

# The description of our new MR, we want to remove the branch after the MR has
# been closed

BODY="{
    \"id\": ${CI_PROJECT_ID},
    \"source_branch\": \"update\",
    \"target_branch\": \"master\",
    \"remove_source_branch\": true,
    \"title\": \"UPDATE: Composer Update\",
    \"description\": \"\`\`\`sh\r\n
${MERGE_DESCRIPTION}
\`\`\`\"}";


# Require a list of all the merge request and take a look if there is already
# one with the same source branch
LISTMR=`curl --silent "${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/merge_requests?state=opened" --header "PRIVATE-TOKEN:${CI_PUSH_TOKEN}"`;
COUNTBRANCHES=`echo ${LISTMR} | grep -o "\"source_branch\":\"update\"" | wc -l`;

# No MR found, let's create a new one
if [ ${COUNTBRANCHES} -eq "0" ]; then
    RESPONSE=`echo ${BODY} | curl -d@- -X POST "${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/merge_requests" \
        --header "PRIVATE-TOKEN:${CI_PUSH_TOKEN}" \
        --header "Content-Type: application/json; charset=utf-8" \
        --silent`;
    echo ${RESPONSE}
    MERGE_URL=`echo ${RESPONSE} | grep -oP 'https*:\/\/[^"]*merge_requests/\d.'`;

    curl -X POST --silent --data-urlencode "payload={
        \"text\": \"Beep boop @php there are updates available for BaseProject.\n\n Please review and merge:\n${MERGE_URL}\",
        \"mrkdwn\": true,
        \"parse\": \"full\"
    }" ${SLACK_WEBHOOK}?parse=full;

    echo "Opened a new merge request: ${MERGE_URL} and posted in slack";
    exit;
fi

echo "No new merge request opened";