mirror-chatterino2/.CI/format-recent-changes.py

67 lines
1.7 KiB
Python

from datetime import datetime, timezone
import os
import subprocess
import re
LINE_REGEX = re.compile(
r"""(?x)
^(?P<commit>[A-Fa-f0-9]+)\s+
\(
<(?P<email>[^>]+)>\s+
(?P<date>[^\s]+\s[^\s]+\s[^\s]+)\s+
(?P<line>\d+)
\)\s
(?P<content>.*)$
"""
)
VERSION_REGEX = re.compile(r"^#+\s*v?\d")
def get_unreleased_lines(file: str):
# contains lines in the form of
# {commit-sha} (<{email}>\s+{date}\s+{line-no}) {line}
p = subprocess.run(
["git", "blame", "-e", "--date=iso", file],
cwd=os.path.dirname(os.path.realpath(__file__)),
text=True,
check=True,
capture_output=True,
)
unreleased_lines: list[tuple[datetime, str]] = []
for line in p.stdout.splitlines():
if not line:
continue
m = LINE_REGEX.match(line)
assert m, f"Failed to match '{line}'"
content = m.group("content")
if not content:
continue
if content.startswith("#"):
if VERSION_REGEX.match(content):
break
continue # ignore lines with '#'
d = datetime.fromisoformat(m.group("date"))
d = d.astimezone(tz=timezone.utc)
content = content.replace("- ", f"- [{d.strftime('%Y-%m-%d')}] ", 1)
unreleased_lines.append((d, content))
unreleased_lines.sort(key=lambda it: it[0], reverse=True)
return unreleased_lines
unreleased_lines = get_unreleased_lines("../CHANGELOG.md")
if len(unreleased_lines) == 0:
print("No changes since last release.")
for _, line in unreleased_lines[:5]:
print(line)
if len(unreleased_lines) > 5:
print("<details><summary>More Changes</summary>\n")
for _, line in unreleased_lines[5:]:
print(line)
print("</details>")