58 lines
1.3 KiB
Bash
Executable File
58 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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REPO_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
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CHANGELOG="${REPO_ROOT}/CHANGELOG.md"
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TAG="${1:-}"
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OUTPUT="${2:-}"
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if [[ -z "${TAG}" ]]; then
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echo "usage: $0 <tag> [output-file]" >&2
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exit 1
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fi
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TAG="${TAG#v}"
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TAG="${TAG#V}"
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if [[ ! -f "${CHANGELOG}" ]]; then
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echo "error: CHANGELOG.md not found at ${CHANGELOG}" >&2
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exit 1
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fi
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NOTES=$(TAG="${TAG}" CHANGELOG_PATH="${CHANGELOG}" python - <<'PY'
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import os
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import re
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import sys
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from pathlib import Path
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changelog_path = Path(os.environ['CHANGELOG_PATH'])
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tag = os.environ['TAG']
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text = changelog_path.read_text(encoding='utf-8')
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pattern = re.compile(rf'^## \[{re.escape(tag)}\]\s*(?:-.*)?$', re.MULTILINE)
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match = pattern.search(text)
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if not match:
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sys.stderr.write(f"No changelog section found for tag {tag}.\n")
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sys.exit(1)
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start = match.end()
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rest = text[start:]
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next_heading = re.search(r'^## \[', rest, re.MULTILINE)
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section = rest[:next_heading.start()] if next_heading else rest
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lines = [line.rstrip() for line in section.strip().splitlines()]
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print('\n'.join(lines))
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PY
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)
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if [[ -z "${NOTES}" ]]; then
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echo "error: no content generated for tag ${TAG}" >&2
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exit 1
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fi
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if [[ -n "${OUTPUT}" ]]; then
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printf '%s\n' "${NOTES}" > "${OUTPUT}"
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else
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printf '%s\n' "${NOTES}"
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fi
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