Travis CI config and bash script for deploying to Firebase preview channels and commenting GitHub PRs

.travis.yml

sudo: false
language: node_js
node_js: "12"

notifications:
  email: false

git:
  submodules: false

script:
  - echo "skipping tests"

stages:
  - name: "Deploy to Firebase preview channel"
    if: branch = master AND type = pull_request

install:
  - npm ci

jobs:
  include:
  - stage: "Deploy to Firebase preview channel"
    skip_cleanup: true
    provider: firebase
    project: fir-project-dc47e
    before_script:
      - sudo apt-get install jq
      - npm install firebase-tools -g
      - npm run build:prod
    script: bash deploy-to-firebase-preview-channels.sh

deploy-to-firebase-preview-channels.sh

#!/usr/bin/env bash

DEPLOY_TO_PREVIEW_CHANNEL_RESULT=$(firebase hosting:channel:deploy pr-$TRAVIS_PULL_REQUEST --expires 30d --token $FIREBASE_TOKEN --json)

RESULT=`echo ${DEPLOY_TO_PREVIEW_CHANNEL_RESULT} | jq -r '.result'`
RESULT_DATA=`echo ${RESULT} | jq -r '."fir-project-dc47e"'`
SITE=`echo ${RESULT_DATA} | jq -r '."site"'`
URL=`echo ${RESULT_DATA} | jq -r '."url"'`
EXPIRE_TIME_UTC=`echo ${RESULT_DATA} | jq -r .expireTime`
EXPIRE_TIME=$(TZ='GMT' date -d $EXPIRE_TIME_UTC +%c)

NEW_COMMENT="Project: $SITE \n Url: $URL \n This link will expire at $EXPIRE_TIME"
COMMENTS=$(curl -H "Authorization: token $GITHUB_TOKEN" -X GET "https://api.github.com/repos/$TRAVIS_REPO_SLUG/issues/$TRAVIS_PULL_REQUEST/comments")

SUBSTRING="Project: fir-project-dc47e"
COMMENT_ID=-1

for row in $(echo "${COMMENTS}" | jq -r '.[] | @base64'); do
echo ${row}
  _jq() {
     echo ${row} | base64 --decode | jq -r ${1}
  }
  BODY=$(_jq '.body')

  if [[ ${BODY} == *"$SUBSTRING"* ]]; then
    COMMENT_ID=$(_jq '.id')
  fi
done

if [[ ${COMMENT_ID} -ge 0 ]];
  then
    curl -H "Authorization: token $GITHUB_TOKEN" -X PATCH -d "{\"body\": \"$NEW_COMMENT\"}" "https://api.github.com/repos/${TRAVIS_REPO_SLUG}/issues/comments/${COMMENT_ID}"
  else
    curl -H "Authorization: token $GITHUB_TOKEN" -X POST -d "{\"body\": \"$NEW_COMMENT\"}" "https://api.github.com/repos/${TRAVIS_REPO_SLUG}/issues/${TRAVIS_PULL_REQUEST}/comments"
fi