import re import subprocess import sys def eprint(*args, **kwargs): print(*args, file=sys.stderr, **kwargs) def error(msg): eprint("error:", msg) sys.exit(1) def run(*cmd, capture_output=True): output = subprocess.run(cmd, capture_output=capture_output) if output.returncode != 0: if capture_output: eprint(output.stderr.decode("utf-8").strip()) sys.exit(output.returncode) if capture_output: return output.stdout.decode("utf-8").strip(), output.stderr.decode("utf-8").strip() TYPES = { "feat": [], "fix": [], "ci": ["scripts"], "docs": [], } IGNORED_TYPES = ["release"] def parse_commit_msg(msg): regex = ( "^(?P[a-z]+)($(?P[^)\n]+)$)?(?P!)?: " "(?P[^\s]+) (?P[^\n]+)" "(\n\n(?P[\s\S]+))?$" ) match = re.match(regex, msg) if match is None: error(f'Failed parsing: "{msg}"') type = match.group("type") if type in IGNORED_TYPES: return None scope = match.group("scope") is_breaking = match.group("is_breaking") is not None group = match.group("group").lower() desc = match.group("desc") body = match.group("body") breaking_desc = None if body is not None: body_regex = ( "^((?P[\s\S]+?)\n\n)?" "BREAKING[ -]CHANGE: (?P[\s\S]+)$" ) match = re.match(body_regex, body) if match is not None: body = match.group("body") breaking_desc = match.group("breaking_desc") whitespace_regex = " *\n *" if body is not None: body = re.sub(whitespace_regex, " ", body) if breaking_desc is not None: breaking_desc = re.sub(whitespace_regex, " ", breaking_desc) if type not in TYPES: error(f"Unsupported type: {type}") if scope is not None and scope not in TYPES[type]: error(f"Unsupported scope: {scope}") if group in ["add", "support"]: group = "Added" elif group in ["remove", "delete"]: group = "Removed" elif group == "fix" or type == "fix": if group != "fix": desc = f"Fixed {desc}" group = "Fixed" else: desc = f"{group} {desc}" group = "Changed" obj = { "group": group, "description": "%c%s%s" % (desc[0].upper(), desc[1:], "." if desc[-1] != "." else ""), "is_breaking_change": is_breaking or breaking_desc is not None, } if scope is not None: obj["scope"] = scope if body is not None: obj["long_description"] = "%c%s%s" % ( body[0].upper(), body[1:], "." if body[-1] != "." else "" ) if breaking_desc is not None: obj["breaking_change_description"] = "%c%s" % ( breaking_desc[0].upper(), breaking_desc[1:], "." if breaking_desc[-1] != "." else "" ) return obj