entrypoint.sh

#!/bin/sh -l

set -u

if [ -z "${GITHUB_TOKEN}" ]
then
    echo "The GITHUB_TOKEN environment variable is not defined."
    exit 1
fi

RELEASE_BRANCH="$1"
RELEASE_STRATEGY="$2"
NEXT_TAG="$3"
TAG_FORMAT="$4"
DEFAULT_INCREMENT="$5"

echo ::Executing bumper guard ::debug release_branch=${RELEASE_BRANCH},default_increment=${DEFAULT_INCREMENT},github_event_path=${GITHUB_EVENT_PATH}
/bumper guard "${RELEASE_BRANCH}" "${DEFAULT_INCREMENT}" "${GITHUB_EVENT_PATH}"
if [ $? -eq 78 ]
then
    echo ::debug ::Guard returned a neutral code, stopping the execution.
    exit 0
fi

if [ -z "${NEXT_TAG}" ]
then
    echo ::debug ::Executing bumper latest-tag github_repository=${GITHUB_REPOSITORY},tag_format=${TAG_FORMAT}
    LATEST_TAG=$(/bumper latest-tag "${GITHUB_REPOSITORY}" "${GITHUB_TOKEN}" "${TAG_FORMAT}")

    echo ::debug ::Executing bumper increment default_increment=${DEFAULT_INCREMENT},github_event_path=${GITHUB_EVENT_PATH}
    INCREMENT=$(/bumper increment "${DEFAULT_INCREMENT}" "${GITHUB_EVENT_PATH}")

    echo ::debug ::Executing bumper semver latest_tag=${LATEST_TAG},increment=${INCREMENT},tag_format=${TAG_FORMAT}
    NEXT_TAG=$(/bumper semver "${LATEST_TAG}" "${INCREMENT}" "${TAG_FORMAT}")

    if [ "${LATEST_TAG}" = "${NEXT_TAG}" ]; then
        echo ::debug ::Detected noop increment - skipping bumper release github_repository=${GITHUB_REPOSITORY},next_tag=${NEXT_TAG}
        echo ::set-output name=tag::${NEXT_TAG}
        exit 0
    fi
fi

echo ::debug ::Executing bumper release github_repository=${GITHUB_REPOSITORY},github_sha=${GITHUB_SHA},next_tag=${NEXT_TAG},strategy=${RELEASE_STRATEGY}
/bumper release --strategy "${RELEASE_STRATEGY}" "${GITHUB_REPOSITORY}" "${GITHUB_SHA}" "${NEXT_TAG}" "${GITHUB_TOKEN}"

echo "tag=${NEXT_TAG}" >> $GITHUB_OUTPUT