release

#!/bin/sh

# Verify 2 args, first is release version, second is next version
if [ "$#" -ne 2 ]; then
  echo "Two parameters required, first is release version, second is next version" >&2
  exit 1
fi

# Verify that release version and next version are not the same
if [ "$1" = "$2" ]; then
  echo "Release version cannot be the same as next version" >&2
  exit 1
fi

# Verify that release version is not already released
if [ "$(git tag 2>/dev/null | grep "$1")" = "$1" ]; then
  echo "Release version $1 already released" >&2
  exit 1
fi

# Verify that next version is not already released
if [ "$(git tag 2>/dev/null | grep "$2")" = "$2" ]; then
  echo "Next version $2 already released" >&2
  exit 1
fi

# Verify that there are no any local changes
git diff-index --quiet HEAD --
if [ $? -ne 0 ]; then
  echo "Local branch must be clean, please stash, commit or revert local changes"
  exit 1
fi
 
# Checkout 'dev' branch
echo "Checkout 'dev' branch"
git checkout dev >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "Failed to checkout 'dev' branch" >&2
  exit 1
fi

# Pull latest changes
echo "Pull latest changes from origin"
git pull >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "Failed to pull latest changes from origin" >&2
  exit 1
fi

# Run gradle clean build
echo "Run 'gradle clean build'"
./gradlew clean build >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "'gradle clean build' finished with error" >&2
  exit 1
fi

# Set release version
echo "Set new version to gradle.properties to $1"
sed -i "1 s/^.*$/theVersion=$1/" gradle.properties >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "Set new version to gradle.properties to $1 finished with error" >&2
  exit 1
fi

# Add changes to git index
echo "Add release version changes to git index"
git add -u >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "Failed to add release version changes to git index" >&2
  exit 1
fi

# Commit changes to git
echo "Commit release version changes"
git commit -m "Released $1" >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "Failed to commit release version" >&2
  exit 1
fi

# Deploy new version to repository
echo "Run 'gradle publish'"
./gradlew publish >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "'gradlew publish' finished with error" >&2
  exit 1
fi

# Tag version
echo "Tag version $1"
git tag "$1" >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "Failed to tag version $1" >&2
  exit 1
fi

# Set next version
echo "Set new version to gradle.properties to $2"
sed -i "1 s/^.*$/theVersion=$2/" gradle.properties >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "Set new version to gradle.properties to $2 finished with error" >&2
  exit 1
fi

# Add changes to git index
echo "Add release version changes to git index"
git add -u >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "Failed to add release version changes to git index" >&2
  exit 1
fi

# Commit changes to git
echo "Commit next version changes"
git commit -m "Set version to $2 for next iteration" >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "Failed to commit next version" >&2
  exit 1
fi

# Push 'dev' to origin
echo "Push 'dev' changes to origin"
git push origin dev >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "Failed to push 'dev' changes to origin" >&2
  exit 1
fi

# Checkout master branch
echo "Checkout 'master' branch"
git checkout master >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "Failed to checkout master branch" >&2
  exit 1
fi

# Merge 'dev' into 'master'
echo "Merge 'dev' branch into 'master'"
git merge dev >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "Failed to merge 'dev' branch into 'master'" >&2
  exit 1
fi

# Push changes to origin
echo "Push 'master' changes to origin"
git push origin master >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "Failed to push 'master' changes to origin" >&2
  exit 1
fi

# Push tags to origin
echo "Push tags to origin"
git push --tags >/dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "Failed to push tags to origin" >&2
  exit 1
fi