release.sh

#!/usr/bin/env bash
set -euo pipefail

LATEST_RELEASE=$(hub release -L 1)
LATEST_BASE_VER=$(echo ${LATEST_RELEASE} | cut --delimiter . --fields 1)
LATEST_REVISION=$(echo ${LATEST_RELEASE} | cut --delimiter . --fields 2)
PROPOSED_BASE_VER=$(date +%Y%m%d)
PROPOSED_REVISION=1

if [[ ${PROPOSED_BASE_VER} == ${LATEST_BASE_VER} ]] && \
   [[ ${PROPOSED_REVISION} -le ${LATEST_REVISION} ]]; then
    while [[ ${PROPOSED_REVISION} -le ${LATEST_REVISION} ]]; do
        PROPOSED_REVISION=$((PROPOSED_REVISION + 1))
        # there's probably an problem if there's more than 5 releases in a day
        if [[ ${PROPOSED_REVISION} -gt 5 ]]; then
            echo "Trying to create too many releases, exiting."
            exit 1
        fi
    done
    PROPOSED_RELEASE=${PROPOSED_BASE_VER}.${PROPOSED_REVISION}
else
    PROPOSED_RELEASE=${PROPOSED_BASE_VER}.${PROPOSED_REVISION}
fi

# get the tag of the BASE_REF and add -HF to it
if [[ ${BRANCH} == *"hotfix"* ]]; then
    PROPOSED_RELEASE+="-HF"
fi

echo "Creating release: ${PROPOSED_RELEASE}"