release.sh

#!/bin/bash

git fetch
currentBranch=$(git branch --show-current)

if [ "${currentBranch}" != 'main' ]
   then
   echo "Not on main, exiting"
   exit 1
fi

 diff=$(git diff origin/main --name-only)
 if [ "${diff}" != '' ]
    then
    echo "Non-zero diff with origin, exiting"
    exit 2
fi


# Get the latest tag, so we know what the next one will be
currentVersion=$(git describe --abbrev=0)

DATE=$(date "+%Y-%m-%d")
# Replace vx.x.x with the next version
read -p "Enter next version number (current: ${currentVersion}): " NEXT_VERSION

if [ "${NEXT_VERSION:0:1}" != 'v' ]
  then
  NEXT_VERSION="v${NEXT_VERSION}"
fi

echo
echo
echo "=========="
echo
echo "Tagging version ${NEXT_VERSION} with message \"Deploying on ${DATE}\""
echo

read -p "Press enter to continue... (Ctrl+C to cancel)" go

git tag -a ${NEXT_VERSION} -m "Deploying on ${DATE}"
git push origin $NEXT_VERSION

read -p 'Generate changelog? Enter to contine or Ctrl+C to quit'

git checkout -b changelog-$NEXT_VERSION
bundle
rake changelog
git add CHANGELOG.md
git commit -m "Generated changelog for $NEXT_VERSION"
git push --set-upstream origin changelog-$NEXT_VERSION