Files
nym/tools/internal/check_cargo_toml_field_order.py
2026-04-17 09:23:55 +01:00

67 lines
2.1 KiB
Python

#!/usr/bin/env python3
"""Check [package] field ordering and required fields in Cargo.toml files."""
import re, sys
ORDER = [
"name", "description", "version", "authors", "edition", "license",
"repository", "homepage", "documentation", "rust-version", "readme",
"publish", "keywords", "exclude", "build", "links", "default-run",
"resolver",
]
# Required when publish = true or publish.workspace = true
REQUIRED = {
"name", "description", "version", "authors", "edition", "license",
"repository", "homepage", "documentation", "rust-version", "readme",
"publish",
}
bad = []
for path in sys.argv[1:]:
fields, values, in_pkg = [], {}, False
for line in open(path):
s = line.strip()
if s == "[package]":
in_pkg = True
continue
if in_pkg and s.startswith("["):
break
if in_pkg:
m = re.match(r"^(\w[\w-]*)", s)
if m and "=" in line:
fields.append(m.group(1))
values[m.group(1)] = s
if not fields:
continue
unknown = [f for f in fields if f not in ORDER]
if unknown:
bad.append((path, f"unknown field(s): {', '.join(unknown)}"))
continue
expected = sorted(fields, key=ORDER.index)
if fields != expected:
first = next(a for a, b in zip(fields, expected) if a != b)
bad.append((path, f"field ordering: first mismatch is '{first}'"))
# publish must always be present (explicit intent)
field_set = set(fields)
if "publish" not in field_set:
bad.append((path, "missing 'publish' field (must be explicit)"))
# Check remaining required fields when publishable
elif "true" in values["publish"] or "workspace" in values["publish"]:
missing = sorted(REQUIRED - field_set, key=ORDER.index)
if missing:
bad.append((path, f"missing required: {', '.join(missing)}"))
if bad:
print("[package] field issues:")
for path, reason in bad:
print(f" {path} ({reason})")
print("\nCanonical order:")
for f in ORDER:
req = " (required)" if f in REQUIRED else ""
print(f" - {f}{req}")
sys.exit(1)