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#!/usr/bin/env nix-shell
#!nix-shell -i python3 -p "python3.withPackages(ps: [ ps.beautifulsoup4 ps.click ps.httpx ps.jinja2 ps.packaging ps.pyyaml ])" nix-update
import base64
import binascii
import hashlib
import json
import pathlib
import subprocess
from urllib.parse import urljoin, urlparse
import bs4
import click
import httpx
import jinja2
import packaging.version as v
import utils
LEAF_TEMPLATE = jinja2.Template('''
{ mkKdeDerivation }:
mkKdeDerivation {
pname = "{{ pname }}";
}
'''.strip())
ROOT_TEMPLATE = jinja2.Template('''
{ callPackage }:
{
{%- for p in packages %}
{{ p }} = callPackage ./{{ p }} { };
{%- endfor %}
}
'''.strip())
PROJECTS_WITH_RUST = {
"akonadi-search",
"angelfish",
"kdepim-addons",
"kdeplasma-addons",
}
def to_sri(hash):
raw = binascii.unhexlify(hash)
b64 = base64.b64encode(raw).decode()
return f"sha256-{b64}"
@click.command
@click.argument(
"pkgset",
type=click.Choice(["frameworks", "gear", "plasma"]),
required=True
)
@click.argument(
"version",
type=str,
required=True
)
@click.option(
"--nixpkgs",
type=click.Path(
exists=True,
file_okay=False,
resolve_path=True,
writable=True,
path_type=pathlib.Path,
),
default=pathlib.Path(__file__).parent.parent.parent.parent
)
@click.option(
"--sources-url",
type=str,
default=None,
)
def main(pkgset: str, version: str, nixpkgs: pathlib.Path, sources_url: str | None):
root_dir = nixpkgs / "pkgs/kde"
set_dir = root_dir / pkgset
generated_dir = root_dir / "generated"
metadata = utils.KDERepoMetadata.from_json(generated_dir)
if sources_url is None:
set_url = {
"frameworks": f"frameworks/{version}/",
"gear": f"release-service/{version}/src/",
"plasma": f"plasma/{version}/",
}[pkgset]
sources_url = f"https://download.kde.org/stable/{set_url}"
client = httpx.Client()
sources = client.get(sources_url)
sources.raise_for_status()
bs = bs4.BeautifulSoup(sources.text, features="html.parser")
results = {}
projects_to_update_rust = set()
for item in bs.select("tr")[3:]:
link = item.select_one("td:nth-child(2) a")
if not link:
continue
project_name, version_and_ext = link.text.rsplit("-", maxsplit=1)
if project_name not in metadata.projects_by_name:
print(f"Warning: unknown tarball: {project_name}")
if project_name in PROJECTS_WITH_RUST:
projects_to_update_rust.add(project_name)
if version_and_ext.endswith(".sig"):
continue
version = version_and_ext.removesuffix(".tar.xz")
url = urljoin(sources_url, link.attrs["href"])
hash = client.get(url + ".sha256").text.strip()
if hash == "Hash type not supported":
print(f"{url} missing hash on CDN, downloading...")
hasher = hashlib.sha256()
with client.stream("GET", url, follow_redirects=True) as r:
for data in r.iter_bytes():
hasher.update(data)
hash = hasher.hexdigest()
else:
hash = hash.split(" ", maxsplit=1)[0]
if existing := results.get(project_name):
old_version = existing["version"]
if v.parse(old_version) > v.parse(version):
print(f"{project_name} {old_version} is newer than {version}, skipping...")
continue
results[project_name] = {
"version": version,
"url": "mirror://kde" + urlparse(url).path,
"hash": to_sri(hash)
}
pkg_dir = set_dir / project_name
pkg_file = pkg_dir / "default.nix"
if not pkg_file.exists():
print(f"Generated new package: {pkgset}/{project_name}")
pkg_dir.mkdir(parents=True, exist_ok=True)
with pkg_file.open("w") as fd:
fd.write(LEAF_TEMPLATE.render(pname=project_name) + "\n")
set_dir.mkdir(parents=True, exist_ok=True)
with (set_dir / "default.nix").open("w") as fd:
fd.write(ROOT_TEMPLATE.render(packages=sorted(results.keys())) + "\n")
sources_dir = generated_dir / "sources"
sources_dir.mkdir(parents=True, exist_ok=True)
with (sources_dir / f"{pkgset}.json").open("w") as fd:
json.dump(results, fd, indent=2)
for project_name in projects_to_update_rust:
print(f"Updating cargoDeps hash for {pkgset}/{project_name}...")
pkg_dir = set_dir / project_name
pkg_file = pkg_dir / "default.nix"
subprocess.run([
"nix-update",
f"kdePackages.{project_name}",
"--version",
"skip",
"--override-filename",
pkg_file
])
if __name__ == "__main__":
main() # type: ignore
|
