#!/usr/bin/env bash

# Tag the current commit with the version in package.json and publish a

# matching GitHub Release whose body is the corresponding CHANGELOG.md entry.

#

# Run AFTER you have:

# - bumped package.json

# - added a `## [X.Y.Z] - YYYY-MM-DD` block at the top of CHANGELOG.md

# - committed, pushed to origin, and run `npm publish`

#

# Idempotent: safe to re-run after a partial failure. Skips steps that are

# already done (tag created, tag pushed, release published).

#

# Usage: ./scripts/release.sh

set -euo pipefail

cd "$(dirname "$0")/.."

VERSION=$(node -p "require('./package.json').version")

TAG="v${VERSION}"

REPO=$(git remote get-url origin | sed -E 's|.*github\.com[:/]||; s|\.git$||')

if [ -z "${REPO}" ]; then

echo "error: could not derive owner/repo from origin remote URL" >&2

exit 1

fi

if ! grep -q "^## \[${VERSION}\]" CHANGELOG.md; then

echo "error: no '## [${VERSION}]' entry found in CHANGELOG.md" >&2

exit 1

fi

NOTES=$(awk -v v="${VERSION}" '

/^## \[/ {

if (p) exit

if ($0 ~ "^## \\[" v "\\]") p = 1

}

p

' CHANGELOG.md)

if [ -z "${NOTES}" ]; then

echo "error: failed to extract changelog notes for ${VERSION}" >&2

exit 1

fi

if git rev-parse "${TAG}" >/dev/null 2>&1; then

echo "✓ tag ${TAG} already exists locally"

else

echo "→ tagging ${TAG}"

git tag "${TAG}"

fi

if git ls-remote --exit-code --tags origin "${TAG}" >/dev/null 2>&1; then

echo "✓ tag ${TAG} already on origin"

else

echo "→ pushing ${TAG} to origin"

git push origin "${TAG}"

fi

if gh release view "${TAG}" --repo "${REPO}" >/dev/null 2>&1; then

echo "✓ release ${TAG} already published"

else

echo "→ creating GitHub Release ${TAG} on ${REPO}"

gh release create "${TAG}" \

--repo "${REPO}" \

--title "${TAG}" \

--notes "${NOTES}"

fi

echo "done: https://github.com/${REPO}/releases/tag/${TAG}"