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#!/usr/bin/env python3
"""Compare repository recipe versions with nvchecker results, without writing state."""
import json
import re
import subprocess
import sys
import tomllib
from pathlib import Path
ROOT = Path(__file__).resolve().parent.parent
CONFIG = ROOT / "nvchecker.toml"
UNSUPPORTED = {
"dev-libs/tlottie": "recipe version is tied to AyuGram's pinned commit and patch",
"media-libs/nanosvg": "recipe version is tied to a pinned commit",
"media-libs/tg_owt": "recipe pins four commits, not a release",
"net-libs/tde2e": "recipe version is tied to a pinned TDLib commit",
"x11-apps/qt6ct": "Git tag does not verify the generic registry archive",
}
VERSION = re.compile(r"[0-9]+(?:\.[0-9]+)*\Z")
KERNEL_RELEASE = re.compile(r"[0-9]+(?:\.[0-9]+)*-[0-9]+\Z")
KERNEL_RECIPE = re.compile(r"([0-9]+(?:\.[0-9]+)*)(?:-r([1-9][0-9]*))?\Z")
LABELS = {
"update": "to update",
"failed": "failed",
"ahead": "ahead of upstream",
"unsupported": "not tracked",
"current": "up to date",
}
def recipes(root):
found = {}
problems = []
kernel_count = 0
for path in sorted((root / "packages").glob("*/*/*.exheres-0")):
name = f"{path.parent.parent.name}/{path.parent.name}"
stem = path.name.removesuffix(".exheres-0")
prefix = path.parent.name + "-"
if not stem.startswith(prefix) or not stem[len(prefix):]:
problems.append(f"invalid recipe filename: {path.relative_to(root)}")
continue
version = stem[len(prefix):]
if name == "sys-kernel/kernel-cachyos":
kernel_count += 1
if not KERNEL_RECIPE.fullmatch(version):
problems.append(f"invalid kernel version: {version}")
continue
found[name] = version
elif name in found:
problems.append(f"multiple versions for {name}")
else:
found[name] = version
if kernel_count > 1:
problems.append("keep only one kernel-cachyos recipe")
return found, problems
def compare(current, upstream):
if not VERSION.fullmatch(current) or not VERSION.fullmatch(upstream):
return "incomparable"
a = tuple(map(int, current.split(".")))
b = tuple(map(int, upstream.split(".")))
length = max(len(a), len(b))
a += (0,) * (length - len(a))
b += (0,) * (length - len(b))
return "update" if b > a else "ahead" if b < a else "current"
def kernel_release(root, version):
path = root / "packages/sys-kernel/kernel-cachyos" / f"kernel-cachyos-{version}.exheres-0"
try:
recipe = path.read_text()
except OSError:
return None
match = re.search(r'^MY_RELEASE="\$\{PV\}-([0-9]+)"$', recipe, re.MULTILINE)
return f"{KERNEL_RECIPE.fullmatch(version).group(1)}-{match.group(1)}" if match else None
def results(output):
versions = {}
errors = {}
for line in output.splitlines():
try:
event = json.loads(line)
except json.JSONDecodeError:
continue
name = event.get("name")
if not name:
continue
if event.get("event") == "updated":
versions[name] = event.get("version")
elif event.get("level") == "error":
errors[name] = event.get("event", "unknown error")
return versions, errors
def report(root, config, output, returncode):
current, problems = recipes(root)
entries = {name for name in config if name != "__config__"}
overlap = entries & UNSUPPORTED.keys()
missing = current.keys() - entries - UNSUPPORTED.keys()
if config.get("__config__", {}).get("oldver") or config.get("__config__", {}).get("newver"):
problems.append("nvchecker must not write version files")
extra = (entries | UNSUPPORTED.keys()) - current.keys()
problems.extend(f"both configured and unsupported: {name}" for name in sorted(overlap))
problems.extend(f"unmapped recipe: {name}" for name in sorted(missing))
problems.extend(f"mapping without recipe: {name}" for name in sorted(extra))
versions, errors = results(output)
unknown = (versions.keys() | errors.keys()) - entries
problems.extend(f"unexpected nvchecker result: {name}" for name in sorted(unknown))
if returncode not in (0, 3):
problems.append(f"nvchecker exited with status {returncode}")
rows = {status: [] for status in LABELS}
for name in sorted(current):
installed = current[name]
if name in UNSUPPORTED:
status, detail = "unsupported", UNSUPPORTED[name]
elif name not in entries:
status, detail = "failed", "no source configured"
elif name in errors:
status, detail = "failed", errors[name]
elif name not in versions or not isinstance(versions[name], str):
status, detail = "failed", "no version returned"
else:
upstream = versions[name]
if name == "sys-kernel/kernel-cachyos":
release = kernel_release(root, installed)
if release and KERNEL_RELEASE.fullmatch(upstream):
status = compare(release.replace("-", "."), upstream.replace("-", "."))
else:
status = "incomparable"
detail = f"{release} -> {upstream}" if release else "unrecognized recipe release"
else:
status = compare(installed, upstream)
detail = f"{installed} -> {upstream}"
if status == "incomparable":
status = "failed"
if name != "sys-kernel/kernel-cachyos" or release:
detail = f"unrecognized version {upstream!r}"
rows[status].append((name, detail))
if returncode == 3 and not errors:
problems.append("nvchecker reported failures without error details")
lines = [", ".join(f"{len(rows[status])} {label}" for status, label in LABELS.items() if rows[status])]
shown = [f"{status:6} {name:39} {detail}" for status in ("update", "failed") for name, detail in rows[status]]
if shown:
lines += ["", *shown]
if problems:
lines += ["", *(f"ERROR: {problem}" for problem in problems)]
return "\n".join(lines), bool(problems or rows["failed"])
def main():
try:
with CONFIG.open("rb") as file:
config = tomllib.load(file)
except (OSError, tomllib.TOMLDecodeError) as error:
print(f"Cannot load {CONFIG}: {error}", file=sys.stderr)
return 1
if config.get("__config__", {}).get("oldver") or config.get("__config__", {}).get("newver"):
print("Refusing nvchecker config with version file writes", file=sys.stderr)
return 1
current, problems = recipes(ROOT)
entries = set(config) - {"__config__"}
problems.extend(f"unmapped recipe: {name}" for name in sorted(current.keys() - entries - UNSUPPORTED.keys()))
problems.extend(f"mapping without recipe: {name}" for name in sorted((entries | UNSUPPORTED.keys()) - current.keys()))
problems.extend(f"both configured and unsupported: {name}" for name in sorted(entries & UNSUPPORTED.keys()))
if problems:
print("\n".join(f"ERROR: {problem}" for problem in problems), file=sys.stderr)
return 1
try:
completed = subprocess.run(
["nvchecker", "--logger", "json", "--failures", "-c", str(CONFIG)],
text=True, capture_output=True, check=False,
)
except OSError as error:
print(f"Cannot run nvchecker: {error}", file=sys.stderr)
return 1
text, failed = report(ROOT, config, completed.stdout, completed.returncode)
print(text)
if completed.stderr:
print(completed.stderr, file=sys.stderr, end="")
return int(failed)
if __name__ == "__main__":
sys.exit(main())
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