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148 lines
4.2 KiB
148 lines
4.2 KiB
#!/usr/bin/env python3
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import datetime
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from pathlib import Path
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import re
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import subprocess
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import click
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LINK_RE = re.compile(r"\[#(\d+)\]")
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ISSUE_URL = "https://github.com/trezor/trezor-firmware/issues/{issue}"
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VERSION_HEADER_RE = re.compile(r"## \[([.0-9]+)\]")
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DIFF_LINK = "[{new}]: https://github.com/trezor/trezor-firmware/compare/{tag_prefix}{old}...{tag_prefix}{new}\n"
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def linkify_changelog(changelog_file, only_check=False):
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links = {}
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orig_links = {}
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result_lines = []
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with open(changelog_file, "r+") as changelog:
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for line in changelog:
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m = LINK_RE.match(line)
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if m: # line *starts with* issue identifier
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# keep existing links as-is
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orig_links[int(m[1])] = line.replace(m[0] + ": ", "").strip()
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else:
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for issue in LINK_RE.findall(line):
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links[int(issue)] = ISSUE_URL.format(issue=issue)
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result_lines.append(line)
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if only_check:
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missing_links = set(links.keys()) - set(orig_links.keys())
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if missing_links:
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click.echo(f"missing links: {missing_links}")
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return False
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else:
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return True
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links.update(orig_links)
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changelog.seek(0)
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changelog.truncate(0)
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for line in result_lines:
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changelog.write(line)
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for marker, url in sorted(links.items()):
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changelog.write(f"[#{marker}]: {url}\n")
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return True
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def linkify_gh_diff(changelog_file, tag_prefix):
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linkified = False
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versions = []
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result_lines = []
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with open(changelog_file, "r+") as changelog:
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for line in changelog:
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m = VERSION_HEADER_RE.match(line)
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if m:
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versions.append(m[1])
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result_lines.append(line)
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changelog.seek(0)
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changelog.truncate(0)
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for line in result_lines:
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changelog.write(line)
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if not linkified and VERSION_HEADER_RE.match(line):
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changelog.write(
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DIFF_LINK.format(
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tag_prefix=tag_prefix, new=versions[0], old=versions[1]
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)
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)
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linkified = True
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def current_date(project):
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parts = project.parts
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today = datetime.datetime.now()
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if parts[-2:] == ("legacy", "bootloader"):
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return today.strftime("%B %Y")
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elif parts[-1] == "python":
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return today.strftime("%Y-%m-%d")
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else:
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daysuffix = {1: "st", 2: "nd", 3: "rd"}.get(today.day % 10, "th")
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return today.strftime(f"%d{daysuffix} %B %Y")
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@click.command()
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@click.argument(
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"project",
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type=click.Path(exists=True, dir_okay=True, file_okay=False, resolve_path=True),
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)
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@click.argument(
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"version",
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type=str,
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required=False,
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)
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@click.option("--date", help="Specify release date (default: today).")
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@click.option(
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"--check", is_flag=True, help="Dry run, do not actually create changelog."
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)
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def cli(project, version, date, check):
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"""Generate changelog for given project (core, python, legacy/firmware,
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legacy/bootloader).
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- Run towncrier to assemble changelog from fragments in .changelog.d/.
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- Find all occurences of "[#123]" in text, and add a Markdown link to the
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referenced issue.
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- Tell git to stage changed files.
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"""
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project = Path(project)
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changelog = project / "CHANGELOG.md"
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if not changelog.exists():
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raise click.ClickException("{} not found".format(changelog))
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if version is None:
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if not check:
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raise click.ClickException("Version argument is required.")
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version = "unreleased"
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if date is None:
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date = current_date(project)
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args = ["towncrier", "build", "--yes", "--version", version, "--date", date]
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if check:
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args.append("--draft")
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subprocess.run(args, cwd=project, check=True)
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if not check:
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linkify_changelog(changelog)
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# python changelog has links to github diffs
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if project.parts[-1] == "python":
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linkify_gh_diff(changelog, tag_prefix="python/v")
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# towncrier calls git add before we do linkification, stage the changes too
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subprocess.run(["git", "add", changelog], check=True)
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if __name__ == "__main__":
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cli()
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