update_changelog.sh

#!/bin/bash

# Inspect Unreleased Changelog
UNRELEASE_DATA=$(auto-changelog -u --stdout)
has_features=false
breaking_changes=false

if [[ $(echo ${UNRELEASE_DATA} | grep "#### New Features") != "" ]]
then
	echo "Unreleased commits has new features..."
	has_features=true
fi
if [[ $(echo ${UNRELEASE_DATA} | grep "BREAKING") != "" ]]
then
	echo "Unreleased commits has breaking changes..."
	breaking_changes=true
fi

# Determine Version level
if [[ ${breaking_changes} == true ]]
then
	version_level="major"
elif [[ ${has_features} == true ]]
then
	version_level="minor"
else
	version_level="patch"
fi

PACKAGE_VERSION=$(poetry version | grep -o -P "(?<=marshmallow-pynamo-db )\S+")
echo "Current version: ${PACKAGE_VERSION}"

# Determine Bump Rule
current_branch=$(git branch | grep -o -P "(?<=\* )\S+")
if [[ ${current_branch} == "master" ]]
then
	version_rule=${version_level}
else
	if [[ ${PACKAGE_VERSION} == *"alpha"* ]]; then
		version_rule="prerelease"
	else
		version_rule="pre${version_level}"
	fi
fi
echo "Bump rule: ${version_rule}"

# Update Version
poetry version "${version_rule}"

PACKAGE_NEW_VERSION=$(poetry version | grep -o -P "(?<=marshmallow-pynamo-db )\S+")
echo "New version: ${PACKAGE_NEW_VERSION}"

# Tag new Version
if [[ ${current_branch} == "master" ]]
then
	git tag ${PACKAGE_NEW_VERSION}
fi

# Update Changelog
auto-changelog

# Commit alterations
echo "Commiting alterations..."
git config --global user.email ${GIT_EMAIL}
git config --global user.name ${GIT_NAME}
git fetch --all
git add CHANGELOG.md
git add pyproject.toml
git commit -m "[skip-ci] auto-bump version ${PACKAGE_NEW_VERSION}"
git push "https://$GITHUB_ACTOR:$GITHUB_TOKEN@github.com/$GITHUB_REPOSITORY.git" "${current_branch}" --tags