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#!/usr/bin/env python3
from __future__ import annotations
import argparse
import json
import re
import subprocess
from pathlib import Path
from typing import Any
ASSET_TARGETS = (
"linux-x86_64",
"linux-aarch64",
"macos-x86_64",
"macos-aarch64",
"windows-x86_64",
)
EXPECTED_ASSET_NAMES = {
**{target: f"herdr-{target}" for target in ASSET_TARGETS},
"windows-x86_64": "herdr-windows-x86_64.zip",
}
ENDPOINT_PROTOCOL_SOURCE_PATH = Path("src/protocol/endpoint.rs")
def run_git(args: list[str]) -> str:
return subprocess.check_output(["git", *args], text=True).strip()
def normalize_version(version: str) -> str:
return version.strip().removeprefix("v")
def read_endpoint_protocol_generation(
source_path: Path = ENDPOINT_PROTOCOL_SOURCE_PATH,
) -> int:
content = source_path.read_text(encoding="utf-8")
match = re.search(r"pub const ENDPOINT_PROTOCOL_GENERATION: u32 = (\d+);", content)
if not match:
raise ValueError(
f"could not read ENDPOINT_PROTOCOL_GENERATION from {source_path}"
)
return int(match.group(1))
def latest_stable_tag(ref: str | None = None) -> str:
args = ["describe", "--tags", "--match", "v[0-9]*", "--abbrev=0"]
if ref:
args.append(ref)
return run_git(args)
def git_is_ancestor(ancestor: str, descendant: str) -> bool:
result = subprocess.run(
["git", "merge-base", "--is-ancestor", ancestor, descendant],
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
check=False,
)
return result.returncode == 0
def read_json(path: Path) -> dict[str, Any] | None:
if not path.exists():
return None
return json.loads(path.read_text(encoding="utf-8"))
def previous_preview_commit(path: Path) -> str | None:
data = read_json(path)
if not data:
return None
commit = data.get("commit")
return commit if isinstance(commit, str) and commit.strip() else None
def preview_range_base(previous: str, commit: str) -> str:
try:
stable = latest_stable_tag(commit)
except subprocess.CalledProcessError:
return previous
if not git_is_ancestor(previous, commit):
return stable
if git_is_ancestor(previous, stable) and git_is_ancestor(stable, commit):
return stable
return previous
def build_notes(previous: str, commit: str, build_id: str, repo: str) -> str:
compare = f"https://github.com/{repo}/compare/{previous}...{commit}"
return f"Preview build {build_id}\n\n[View changes]({compare})\n"
def default_asset_urls(repo: str, tag: str) -> dict[str, str]:
return {
target: f"https://github.com/{repo}/releases/download/{tag}/{EXPECTED_ASSET_NAMES[target]}"
for target in ASSET_TARGETS
}
def read_sha_file(path: Path | None) -> dict[str, str]:
if path is None:
return {}
data = json.loads(path.read_text(encoding="utf-8"))
if not isinstance(data, dict):
raise SystemExit("sha file must be a JSON object")
return {str(key): str(value) for key, value in data.items()}
def asset_objects(urls: dict[str, str], shas: dict[str, str]) -> dict[str, dict[str, str]]:
assets: dict[str, dict[str, str]] = {}
for target in ASSET_TARGETS:
url = urls[target]
entry = {"url": url}
sha = shas.get(target)
if sha:
entry["sha256"] = sha
if target.startswith("windows-"):
if not sha or not re.fullmatch(r"[0-9a-fA-F]{64}", sha):
raise ValueError(f"{target} requires a SHA-256 digest")
entry["format"] = "zip"
assets[target] = entry
return assets
def build_manifest(
output: Path,
repo: str,
tag: str,
build_id: str,
commit: str,
built_at: str,
base_version: str,
protocol: int,
notes: str,
shas: dict[str, str],
retain: int,
endpoint_generation: int | None = None,
) -> str:
urls = default_asset_urls(repo, tag)
assets = asset_objects(urls, shas)
current = read_json(output) or {}
builds = current.get("builds") if isinstance(current.get("builds"), dict) else {}
builds = dict(builds)
if endpoint_generation is None:
endpoint_generation = read_endpoint_protocol_generation()
builds[build_id] = {
"base_version": normalize_version(base_version),
"commit": commit,
"built_at": built_at,
"protocol": protocol,
"endpoint_generation": endpoint_generation,
"tag": tag,
"assets": assets,
}
ordered_builds = {
key: builds[key]
for key in sorted(
builds,
key=lambda key: str(builds[key].get("built_at", "")),
reverse=True,
)[:retain]
}
manifest = {
"schema_version": 1,
"channel": "preview",
"base_version": normalize_version(base_version),
"build_id": build_id,
"commit": commit,
"built_at": built_at,
"protocol": protocol,
"endpoint_generation": endpoint_generation,
"notes": notes.strip(),
"assets": assets,
"builds": ordered_builds,
}
return json.dumps(manifest, indent=2) + "\n"
def cmd_notes(args: argparse.Namespace) -> int:
previous = args.previous or previous_preview_commit(Path(args.manifest)) or latest_stable_tag()
notes = build_notes(previous, args.commit, args.build_id, args.repo)
Path(args.output).write_text(notes, encoding="utf-8")
return 0
def cmd_manifest(args: argparse.Namespace) -> int:
notes = Path(args.notes).read_text(encoding="utf-8")
shas = read_sha_file(Path(args.sha_file) if args.sha_file else None)
content = build_manifest(
output=Path(args.output),
repo=args.repo,
tag=args.tag,
build_id=args.build_id,
commit=args.commit,
built_at=args.built_at,
base_version=args.base_version,
protocol=args.protocol,
notes=notes,
shas=shas,
retain=args.retain,
endpoint_generation=args.endpoint_generation,
)
Path(args.output).write_text(content, encoding="utf-8")
return 0
def cmd_current_commit(args: argparse.Namespace) -> int:
commit = previous_preview_commit(Path(args.manifest))
if commit:
print(commit)
return 0
def cmd_range_base(args: argparse.Namespace) -> int:
print(preview_range_base(args.previous, args.commit))
return 0
def main() -> int:
parser = argparse.ArgumentParser(description="Preview channel release helpers")
sub = parser.add_subparsers(required=True)
notes = sub.add_parser("notes")
notes.add_argument("--manifest", default="distribution/preview.json")
notes.add_argument("--previous")
notes.add_argument("--commit", required=True)
notes.add_argument("--build-id", required=True)
notes.add_argument("--repo", default="herdrdev/herdr")
notes.add_argument("--output", required=True)
notes.set_defaults(func=cmd_notes)
manifest = sub.add_parser("manifest")
manifest.add_argument("--output", default="distribution/preview.json")
manifest.add_argument("--repo", default="herdrdev/herdr")
manifest.add_argument("--tag", required=True)
manifest.add_argument("--build-id", required=True)
manifest.add_argument("--commit", required=True)
manifest.add_argument("--built-at", required=True)
manifest.add_argument("--base-version", required=True)
manifest.add_argument("--protocol", required=True, type=int)
manifest.add_argument("--endpoint-generation", required=True, type=int)
manifest.add_argument("--notes", required=True)
manifest.add_argument("--sha-file")
manifest.add_argument("--retain", type=int, default=30)
manifest.set_defaults(func=cmd_manifest)
current = sub.add_parser("current-commit")
current.add_argument("--manifest", default="distribution/preview.json")
current.set_defaults(func=cmd_current_commit)
range_base = sub.add_parser("range-base")
range_base.add_argument("--previous", required=True)
range_base.add_argument("--commit", required=True)
range_base.set_defaults(func=cmd_range_base)
args = parser.parse_args()
return args.func(args)
if __name__ == "__main__":
raise SystemExit(main())
|
