77 lines
3.1 KiB
Python
Executable file
77 lines
3.1 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 base64
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import fileinput
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import json
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import os
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import re
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import subprocess
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import sys
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from urllib.request import urlopen, Request
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DICTIONARIES_CHROMIUM_NIX = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'dictionaries-chromium.nix')
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def get_latest_chromium_stable_release():
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RELEASES_URL = 'https://versionhistory.googleapis.com/v1/chrome/platforms/linux/channels/stable/versions/all/releases'
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print(f'GET {RELEASES_URL}')
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with urlopen(RELEASES_URL) as resp:
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return json.load(resp)['releases'][0]
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def get_file_revision(revision, file_path):
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"""Fetches the requested Git revision of the given Chromium file."""
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url = f'https://chromium.googlesource.com/chromium/src/+/refs/tags/{revision}/{file_path}?format=TEXT'
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with urlopen(url) as http_response:
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resp = http_response.read()
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return base64.b64decode(resp)
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def nix_prefetch_git(url, rev):
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"""Prefetches the requested Git revision of the given repository URL."""
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print(f'nix-prefetch-git {url} {rev}')
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out = subprocess.check_output(['nix-prefetch-git', '--quiet', '--url', url, '--rev', rev])
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return json.loads(out)
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def get_current_revision():
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with open(DICTIONARIES_CHROMIUM_NIX) as f:
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for line in f:
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rev = re.search(r'^ rev = "(.*)";', line)
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if rev:
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return rev.group(1)
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sys.exit(1)
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print('Getting latest chromium version...')
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chromium_release = get_latest_chromium_stable_release()
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chromium_version = chromium_release['version']
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print(f'chromium version: {chromium_version}')
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print('Getting corresponding hunspell_dictionaries commit...')
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deps = get_file_revision(chromium_version, 'DEPS')
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hunspell_dictionaries_pattern = r"^\s*Var\('chromium_git'\)\s*\+\s*'\/chromium\/deps\/hunspell_dictionaries\.git'\s*\+\s*'@'\s*\+\s*'(\w*)',$"
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hunspell_dictionaries_commit = re.search(hunspell_dictionaries_pattern, deps.decode(), re.MULTILINE).group(1)
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print(f'hunspell_dictionaries commit: {hunspell_dictionaries_commit}')
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current_commit = get_current_revision()
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if current_commit == hunspell_dictionaries_commit:
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print('Commit is already packaged, no update needed.')
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sys.exit(0)
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print('Commit has changed compared to the current package, updating...')
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print('Getting hash of hunspell_dictionaries revision...')
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hunspell_dictionaries_git = nix_prefetch_git("https://chromium.googlesource.com/chromium/deps/hunspell_dictionaries", hunspell_dictionaries_commit)
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hunspell_dictionaries_hash = hunspell_dictionaries_git['hash']
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print(f'hunspell_dictionaries commit hash: {hunspell_dictionaries_hash}')
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with fileinput.FileInput(DICTIONARIES_CHROMIUM_NIX, inplace=True) as file:
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for line in file:
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result = re.sub(r'^ version = ".+";', f' version = "{chromium_version}";', line)
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result = re.sub(r'^ rev = ".*";', f' rev = "{hunspell_dictionaries_commit}";', result)
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result = re.sub(r'^ hash = ".+";', f' hash = "{hunspell_dictionaries_hash}";', result)
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print(result, end='')
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