release.sh

#!/bin/bash

# Description
# Only for use by admins.
# This script automates 90% of the release process for you.
# It will create the necessary tag, release, and PRs based on your input.

# Prerequisites

# `gh` GitHub CLI brings GitHub to your terminal. Free and open source. https://cli.github.com
# `brew install gh`

# `yq` a lightweight and portable command-line YAML, JSON and XML processor. https://github.com/mikefarah/yq
# `brew install yq`

# Usage
# ./release.sh

MAIN_BRANCH="main"

currentVersion=""
newVersion=""
storyID=""
connectPR=""
releaseLink=""
pbSwiftBranch=""
connectBranch=""
currentBranch=$(git rev-parse --abbrev-ref HEAD)

if [[ $currentBranch != $MAIN_BRANCH ]]
then
  echo "You must be on the $MAIN_BRANCH branch to continue. Tchau!"
  exit 1
fi

function assertRelease {
  # It should prompt the dev with a message that they are about to create a new release and confirm to continue
  echo "You are about to create a new PlaybookSwift release. Ready to begin?"
  select yn in Yes No
  do
    case $yn in "Yes")
    echo "Great! Let's get started."
    return
    ;;
    "No")
    echo "Tchau!"
    exit 1
    ;;
    *)
    echo "❗️ Error. Invalid entry."
    exit 1
    ;;
    esac
  done
}

function setRunwayStoryID {
  # It should prompt the dev to input the Runway story ID
  echo "Please enter the Runway story ID (e.g. 123):"
  read id

  if [[ $id =~ ^[0-9]+$ ]]; then
    storyID="$id"
    return
  else
    echo "❗️ Error. Try to insert numbers only."
    setRunwayStoryID
  fi
}

function getCurrentVersion {
  currentVersion=$(yq '.targets.Playbook-iOS.settings.base.MARKETING_VERSION' project.yml)
}

function setVersion {
  # It should prompt dev to input the version number in this format X.X.X per SemVer rules
  echo "Current version is ${currentVersion}. Please enter the new version number:"
  read v
  newVersion=$v
  echo "Okay. We will create PlaybookSwift version $newVersion."
}

function updateMarketingVersion {
  # It should update the MARKETING_VERSION in the project.
  yq -i ".targets.Playbook-iOS.settings.base.MARKETING_VERSION = \"$newVersion\"" project.yml
  yq -i ".targets.Playbook-macOS.settings.base.MARKETING_VERSION = \"$newVersion\"" project.yml
  sed -i '' -e "s/MARKETING_VERSION = .*;/MARKETING_VERSION = $newVersion;/" ./PlaybookShowcase/PlaybookShowcase.xcodeproj/project.pbxproj
}

function createPRWithVersionUpdate {
  # It should confirm that the release has been created in Github and print the URL.
  pbSwiftBranch="$newVersion-release"
  git checkout -b $pbSwiftBranch
  git commit -am "Release $newVersion"
  git push -u origin $pbSwiftBranch
  gh pr create --title "[PBIOS-$storyID] $newVersion-release" --body "Playbook version update"
}

function verifyIfReleaseVersionIsUpdated {
  git checkout main && git pull
  verifiedPR=$(git log --oneline|grep "PBIOS-$rwStoryID")
  if [ ! -z "$verifiedPR" ]
  then
    echo "Please make sure the PR is merged so you can continue with the release."
    echo "When you are ready, choose Continue!"
    select c in Continue Cancel
    do
      case $c in "Continue")

      git pull
      mergedPR=$(git log --oneline|grep "PBIOS-$rwStoryID")

      if [ ! -z "$verifiedPR" ]
      then
        verifyIfReleaseVersionIsUpdated
      else
        echo "🎉 Great! Let's create $newVersion release!"
        return
      fi

    ;;
    "Cancel")
    exit 1
    ;;
    *)
    echo "Invalid entry."
    verifyIfReleaseVersionIsUpdated
    ;;
    esac
  done
  fi
}

function checkIfPRExists {
  currentPR=$(gh pr list|grep "PBIOS-$storyID")
  if [ ! -z "$currentPR" ]
  then
    echo "❗️ Error. PR already exists."
  fi
}

function createRelease {
  # It should confirm that the release has been created in Github and print the URL
  gh repo sync -b main
  releaseLink=$(gh release create $newVersion --generate-notes)
  echo $releaseLink
}

function assertConnectUpdate {
  # It should prompt the dev with a message that they are about to make changes to connect-apple repo and confirm to continue
  echo "Ready to update PlaybookSwift version in connect-apple?"
  select yn in Yes No
  do
    case $yn in "Yes")
    echo "🎉 Great! Let's get started."
    return
    ;;
    "No")
    echo "Tchau!"
    exit 1
    ;;
    *)
    echo "Invalid entry."
    exit 1
    ;;
    esac
  done
}

function updateConnect {
  cd ../connect-apple

  # It create a new branch and confirm to continue
  connectBranch="PBIOS-$storyID-PlaybookSwift-update-$newVersion"
  git checkout -b $connectBranch

  yq -i ".packages.Playbook.version = \"$newVersion\"" project_setup.yml

  echo "Please review and build connect-apple to ensure it is working locally."
  echo "Once completed, press ENTER"
  read c
}

function createConnectPR {
  description=$releaseLink

  cd ../connect-apple
  git commit -am "Update PlaybookSwift version"
  git push -u origin $connectBranch
  gh repo sync -b $connectBranch

  title="PBIOS-$storyID"
  connectPR=$(gh pr create -a @me -B main -b $description -t \"$title\")
  echo $connectPR
}

function setupConnect {
  assertConnectUpdate
  updateConnect
  createConnectPR
}

function createRunwayComment {
  echo "TODO: create runway comment?"
}

function allDone {
  echo "🎉 Congrats! The release was successfully created!"
  echo "Please remember to create a comment with your PR link here: https://nitro.powerhrg.com/runway/backlog_items/PBIOS-$storyID"
  echo "PlaybookSwift release url: $releaseLink"
  echo "connect-apple PR url: $connectPR"
}

if [[ $currentBranch != $MAIN_BRANCH ]]
then
  echo "You must be on the $MAIN_BRANCH branch to continue. Tchau!"
  exit 1
fi

assertRelease
setRunwayStoryID
checkIfPRExists
getCurrentVersion
setVersion
updateMarketingVersion
createPRWithVersionUpdate
verifyIfReleaseVersionIsUpdated
createRelease
setupConnect
createRunwayComment
allDone

exit 1