prepare-for-release.yml

name: Prepare For Release

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'Version number (e.g., 6.5.0)'
        required: true
        type: string
      jira_ticket:
        description: 'JIRA ticket MOB number (e.g., 1234)'
        required: true
        type: string

permissions:
  contents: write
  pull-requests: write

jobs:
  prepare-release:
    runs-on: macos-latest
    steps:
      - uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Update Changelog
        id: update_changelog
        run: |
          changelog_file="CHANGELOG.md"
          
          # Function to extract content between two patterns, including the first pattern
          extract_between() {
            awk "/^## \[$1\]/{p=1;print;next} /^## \[/{p=0} p" "$3"
          }
          
          # Get the unreleased content
          unreleased_content=$(extract_between "Unreleased" "[0-9]" "$changelog_file")
          
          if [ -z "$unreleased_content" ]; then
            echo "No unreleased changes found in $changelog_file"
            exit 1
          fi
          
          # Get the current version - using awk
          current_version=$(awk '/^## \[[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?\]/ { match($0, /[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?/); print substr($0, RSTART, RLENGTH); exit }' "$changelog_file")
          new_version="${{ github.event.inputs.version }}"
          
          # Validate version format
          if ! [[ $new_version =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9]+)?$ ]]; then
            echo "Invalid version format. Please use semantic versioning (e.g., 6.5.0 or 6.5.0-beta1)"
            exit 1
          fi
          
          echo "new_version=${new_version}" >> $GITHUB_OUTPUT
          
          # Create temporary file
          temp_file=$(mktemp)
          
          # Preserve header and write new content
          {
            # Preserve the header (first 4 lines)
            head -n 4 "$changelog_file"
            echo "## [Unreleased]"
            echo ""
            echo "## [$new_version]"
            # Remove the "## [Unreleased]" line from unreleased_content using BSD sed
            echo "$unreleased_content" | sed '1{/^## \[Unreleased\]/d;}'
            echo ""
            # Get the rest of the file starting from the first version entry
            sed -n '/^## \[[0-9]/,$p' "$changelog_file"
          } > "$temp_file"
          
          # Replace original file
          mv "$temp_file" "$changelog_file"

      - name: Update Version Numbers
        run: |
          # Update Iterable-iOS-SDK.podspec
          sed -i '' "s/\(s\.version[[:space:]]*=[[:space:]]*\)\".*\"/\1\"${{ github.event.inputs.version }}\"/" Iterable-iOS-SDK.podspec
          
          # Update Iterable-iOS-AppExtensions.podspec
          sed -i '' "s/\(s\.version[[:space:]]*=[[:space:]]*\)\".*\"/\1\"${{ github.event.inputs.version }}\"/" Iterable-iOS-AppExtensions.podspec
          
          # Update sdkVersion in IterableAPI.swift
          find . -name "IterableAPI.swift" -type f -exec sed -i '' "s/\(static let sdkVersion[[:space:]]*=[[:space:]]*\)\".*\"/\1\"${{ github.event.inputs.version }}\"/" {} \;

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v5
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          title: "MOB-${{ github.event.inputs.jira_ticket }}: Prepare for Release ${{ steps.update_changelog.outputs.new_version }}"
          body: |
            # Prepare for Release ${{ steps.update_changelog.outputs.new_version }}
            
            ## SDK Release Checklist
            - [ ] CHANGELOG.md updated with correct version
            - [ ] Version numbers updated:
              - [ ] Iterable-iOS-SDK.podspec
              - [ ] Iterable-iOS-AppExtensions.podspec
              - [ ] sdkVersion in IterableAPI.swift
            - [ ] README.md reviewed (if needed)
            - [ ] All tests passing
            - [ ] Documentation updated (if needed)
            
          branch: "MOB-${{ github.event.inputs.jira_ticket }}-prepare-for-release-${{ steps.update_changelog.outputs.new_version }}"
          commit-message: "[MOB-${{ github.event.inputs.jira_ticket }}]: Prepare for release ${{ steps.update_changelog.outputs.new_version }}"
          labels: release
          delete-branch: true