97 lines
3.2 KiB
Python
Executable file
97 lines
3.2 KiB
Python
Executable file
#! /usr/bin/env nix-shell
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#! nix-shell -i python3 -p python3 nix nix-prefetch-git
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import fileinput
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import json
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import os
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import sys
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import re
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import subprocess
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from datetime import datetime
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from urllib.request import urlopen, Request
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def panic(exc):
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raise Exception(exc)
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DIR = os.path.dirname(os.path.abspath(__file__))
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HEADERS = {'Accept': 'application/vnd.github.v3+json'}
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def github_api_request(endpoint):
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base_url = 'https://api.github.com/'
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request = Request(base_url + endpoint, headers=HEADERS)
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with urlopen(request) as http_response:
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return json.loads(http_response.read().decode('utf-8'))
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def get_commit_date(repo, sha):
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url = f'https://api.github.com/repos/{repo}/commits/{sha}'
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request = Request(url, headers=HEADERS)
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with urlopen(request) as http_response:
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commit = json.loads(http_response.read().decode())
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date = commit['commit']['committer']['date'].rstrip('Z')
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date = datetime.fromisoformat(date).date().isoformat()
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return 'unstable-' + date
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def nix_prefetch_git(url, rev):
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"""Prefetches the requested Git revision (incl. submodules) of the given repository URL."""
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print(f'nix-prefetch-git {url} {rev}')
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out = subprocess.check_output([
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'nix-prefetch-git', '--quiet',
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'--url', url,
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'--rev', rev,
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'--fetch-submodules'])
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return json.loads(out)['sha256']
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def nix_prefetch_url(url, unpack=False):
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"""Prefetches the content of the given URL."""
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print(f'nix-prefetch-url {url}')
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options = ['--type', 'sha256']
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if unpack:
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options += ['--unpack']
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out = subprocess.check_output(['nix-prefetch-url'] + options + [url])
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return out.decode('utf-8').rstrip()
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def update_file(relpath, variant, version, suffix, sha256):
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file_path = os.path.join(DIR, relpath)
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with fileinput.FileInput(file_path, inplace=True) as f:
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for line in f:
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result = line
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result = re.sub(
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fr'^ version = ".+"; #{variant}',
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f' version = "{version}"; #{variant}',
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result)
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result = re.sub(
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fr'^ suffix = ".+"; #{variant}',
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f' suffix = "{suffix}"; #{variant}',
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result)
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result = re.sub(
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fr'^ sha256 = ".+"; #{variant}',
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f' sha256 = "{sha256}"; #{variant}',
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result)
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print(result, end='')
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if __name__ == "__main__":
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if len(sys.argv) == 1:
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panic("Update variant expected")
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variant = sys.argv[1]
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if variant not in ("zen", "lqx"):
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panic(f"Unexepected variant instead of 'zen' or 'lqx': {sys.argv[1]}")
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pattern = re.compile(fr"v(\d+\.\d+\.?\d*)-({variant}\d+)")
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zen_tags = github_api_request('repos/zen-kernel/zen-kernel/releases')
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for tag in zen_tags:
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zen_match = pattern.match(tag['tag_name'])
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if zen_match:
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zen_tag = zen_match.group(0)
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zen_version = zen_match.group(1)
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zen_suffix = zen_match.group(2)
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break
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zen_hash = nix_prefetch_git('https://github.com/zen-kernel/zen-kernel.git', zen_tag)
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update_file('zen-kernels.nix', variant, zen_version, zen_suffix, zen_hash)
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