release.sh

#!/bin/bash

# Split SDK Release Preparation Script
# Usage: ./scripts/release.sh <version>
# Example: ./scripts/release.sh 3.0.0-rc1

# Branch name constants - update these if branch naming changes
MASTER_BRANCH="master"
DEVELOPMENT_BRANCH="development"

set -e

# Check if version parameter is provided
if [ -z "$1" ]; then
  echo "❌ Error: Version parameter is required"
  echo "Usage: ./scripts/release.sh <version>"
  echo "Example: ./scripts/release.sh 3.0.0-rc1"
  exit 1
fi

VERSION=$1
RELEASE_BRANCH="release/$VERSION"

# Get current date in format: (Jun 5, 2025)
CURRENT_DATE=$(date "+%b %-d, %Y")

# Ensure we're in the repo root directory
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
cd "$SCRIPT_DIR/.."

# Check if working directory is clean
if [ -n "$(git status --porcelain)" ]; then
  echo "❌ Error: Working directory is not clean. Please commit or stash your changes first."
  exit 1
fi

# Fetch latest changes from remote
echo "📥 Fetching latest changes from remote..."
git fetch origin

# Get current branch
CURRENT_BRANCH=$(git symbolic-ref --short HEAD)
echo "📑 Current branch: $CURRENT_BRANCH"

# Create release branch from current branch
echo "🌿 Creating branch $RELEASE_BRANCH from $CURRENT_BRANCH..."
git checkout -b $RELEASE_BRANCH

# Check if this is an RC version
IS_RC=false
if [[ "$VERSION" == *"-rc"* ]]; then
  IS_RC=true
fi

# Update Version.swift
echo "📝 Updating Version.swift to $VERSION..."
sed -i '' "s/private static let kVersion = \".*\"/private static let kVersion = \"$VERSION\"/" Split/Common/Utils/Version.swift

# Update Split.podspec
echo "📝 Updating Split.podspec to $VERSION..."
sed -i '' "s/s.version          = '.*'/s.version          = '$VERSION'/" Split.podspec

# Update CHANGES.txt if not an RC version
if [ "$IS_RC" = false ]; then
  echo "📝 Updating CHANGES.txt..."
  
  # Prompt for changes
  echo ""
  echo "Please enter the changes for version $VERSION (one per line)"
  echo "Press Enter twice when done (or just press Enter to skip)"
  echo ""
  
  CHANGES=""
  while true; do
    read -r line
    
    # Break on empty line
    if [ -z "$line" ]; then
      if [ -z "$CHANGES" ]; then
        # No changes were entered, just break
        break
      else
        # Confirm if done
        read -r -p "Are you done entering changes? (y/n): " confirm
        if [[ "$confirm" =~ ^[Yy] ]]; then
          break
        fi
      fi
    else
      # Add the line to changes
      if [ -z "$CHANGES" ]; then
        CHANGES="- $line"
      else
        CHANGES="$CHANGES\n- $line"
      fi
    fi
  done
  
  # Create the new entry
  CURRENT_DATE=$(LC_ALL=C date "+%b %-d, %Y")
  NEW_ENTRY="$VERSION: ($CURRENT_DATE)"
  if [ -n "$CHANGES" ]; then
    NEW_ENTRY="$NEW_ENTRY\n$CHANGES"
  fi
  
  # Insert at the beginning of the file
  sed -i '' "1s/^/$NEW_ENTRY\n\n/" CHANGES.txt
  
  # Add CHANGES.txt to the commit
  git add CHANGES.txt
fi

# Commit changes
echo "💾 Committing changes..."
if [ "$IS_RC" = false ]; then
  git add Split/Common/Utils/Version.swift Split.podspec CHANGES.txt
  git commit -m "chore: Update version to $VERSION and update CHANGES.txt"
else
  git add Split/Common/Utils/Version.swift Split.podspec
  git commit -m "chore: Update version to $VERSION"
fi

# Push changes
echo "📤 Pushing branch to remote..."
git push origin $RELEASE_BRANCH

# Get the remote URL and extract the GitHub repo path
REMOTE_URL=$(git config --get remote.origin.url)
GITHUB_REPO=$(echo $REMOTE_URL | sed -e 's/.*github.com[:/]\(.*\)\.git/\1/')

# If the URL is SSH format (git@github.com:org/repo.git), extract differently
if [[ $GITHUB_REPO == $REMOTE_URL ]]; then
  GITHUB_REPO=$(echo $REMOTE_URL | sed -e 's/.*github.com\/\(.*\)\.git/\1/')
fi

# Determine target branch based on RC status
if [ "$IS_RC" = true ]; then
  TARGET_BRANCH="$DEVELOPMENT_BRANCH"
  echo "📊 RC version detected, PR will target the $DEVELOPMENT_BRANCH branch"
else
  TARGET_BRANCH="$MASTER_BRANCH"
  echo "📊 Regular version detected, PR will target the $MASTER_BRANCH branch"
fi

# Create PR URL
PR_URL="https://github.com/$GITHUB_REPO/compare/$TARGET_BRANCH...$RELEASE_BRANCH?expand=1"

echo ""
echo "🎉 Release preparation completed successfully!"
echo ""
echo "Opening browser to create pull request..."
open "$PR_URL"
echo ""
echo "Next steps:"
echo "1. Complete the pull request to merge $RELEASE_BRANCH into $TARGET_BRANCH"
echo "2. After merging, the GitHub workflow will create and push the tag"
echo ""