#!/bin/bash
# Copyright Sebastian Wiesner <sebastian@swsnr.de>

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

set -e

next_version="$1"
if [[ -z "${next_version}" ]]; then
    echo "Next version missing; aborting"
    exit 1
fi

changes="$(git status --porcelain)"
if [[ -n "${changes}" ]]; then
    git status
    echo "Working directory not clean; aborting"
    exit 1
fi

if [[ "$(git symbolic-ref --short HEAD)" != "main" ]]; then
    echo "Not on main branch; aborting"
    exit 1
fi

ci_status="$(hub ci-status HEAD)"
if [[ "${ci_status}" != "success" ]]; then
    echo "CI for HEAD pending or failed (${ci_status}); aborting"
    exit 1
fi

latest_tag="$(git tag --sort '-v:refname' | grep '^v[0-9]' | head -n1)"
release_date="$(date +%Y-%m-%d)"

# Substitute version in Cargo.toml, force Cargo.lock update and add it to Git
sed -i'' "1,/^version =/ s/^version = .*$/version = \"$next_version\"/" Cargo.toml
cargo metadata --format-version 1 >/dev/null
git add Cargo.toml Cargo.lock

# Update the changelog:
# 1. Append a headline for the current version right after [Unreleased] headline
# 2. Append link references for the new version and the new unreleased version
# 3. Delete the old link reference for the Unreleased header
sed -e "/^## \[Unreleased\]\$/ a\\
\\
## [${next_version}] – ${release_date}" \
    -e "\$a\\
[$next_version]: https://github.com/lunaryorn/homebins/compare/${latest_tag}...v${next_version}\\
[Unreleased]: https://github.com/lunaryorn/homebins/compare/v${next_version}...HEAD" \
    -e '/^\[Unreleased\]:/ D' \
    -i'' CHANGELOG.md
git add CHANGELOG.md

git commit -m "Release $next_version"
cargo publish --no-verify
# Tag and push after successful publish
git tag -m "homebins $next_version" "v$next_version"
git push --follow-tags origin main