entrypoint.sh

#!/bin/bash

echo "Setting up gem credentials..."
set +x
mkdir -p ~/.gem

cat << EOF > ~/.gem/credentials
---
:rubygems_api_key: ${RUBYGEMS_API_KEY}
EOF

chmod 0600 ~/.gem/credentials
set -x

gem_version=$(ruby -r rubygems -e "puts Gem::Specification::load('$(ls *.gemspec)').version")
echo "gem_version=$gem_version" >> $GITHUB_OUTPUT

if git fetch origin "refs/tags/v$gem_version" >/dev/null 2>&1
then
  echo "Tag 'v$gem_version' already exists"
  echo "new_version=false" >> $GITHUB_OUTPUT
else
  echo "new_version=true" >> $GITHUB_OUTPUT

  git config --global --add safe.directory "$GITHUB_WORKSPACE"
  git config --global user.email "${GIT_EMAIL:-automated@example.com}"
  git config --global user.name "${GIT_NAME:-Automated Release}"

  work_directory="${WORKDIR:-.}"
  cd $work_directory

  echo "Installing dependencies..."
  gem update bundler
  bundle install

  echo "Running gem release task..."
  release_command="${RELEASE_COMMAND:-rake release}"
  exec $release_command
fi