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55 lines
2.3 KiB
Python
Executable File
55 lines
2.3 KiB
Python
Executable File
#! /usr/bin/env nix-shell
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#! nix-shell -p common-updater-scripts python3
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#! nix-shell -i python
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import csv
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import json
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import re
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import shlex
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import subprocess
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from os.path import abspath, dirname, splitext
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from urllib.request import urlopen
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# CrOS version numbers look like this:
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# [<chrome-major-version>.]<tip-build>.<branch-build>.<branch-branch-build>
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#
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# As far as I can tell, branches are where internal Google
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# modifications are added to turn Chromium OS into Chrome OS, and
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# branch branches are used for fixes for specific devices. So for
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# Chromium OS they will always be 0. This is a best guess, and is not
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# documented.
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with urlopen('https://chromiumdash.appspot.com/cros/download_serving_builds_csv?deviceCategory=ChromeOS') as resp:
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reader = csv.reader(map(bytes.decode, resp))
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header = reader.__next__()
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cr_stable_index = header.index('cr_stable')
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cros_stable_index = header.index('cros_stable')
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chrome_version = []
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platform_version = []
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for line in reader:
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if line[cr_stable_index] == "no update":
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continue
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this_chrome_version = list(map(int, line[cr_stable_index].split('.')))
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this_platform_version = list(map(int, line[cros_stable_index].split('.')))
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chrome_version = max(chrome_version, this_chrome_version)
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platform_version = max(platform_version, this_platform_version)
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chrome_major_version = chrome_version[0]
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chromeos_tip_build = platform_version[0]
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release_branch = f'release-R{chrome_major_version}-{chromeos_tip_build}.B'
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# Determine the git revision.
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with urlopen(f'https://chromium.googlesource.com/chromiumos/platform/crosvm/+/refs/heads/{release_branch}?format=JSON') as resp:
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resp.readline() # Remove )]}' header
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rev = json.load(resp)['commit']
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# Determine the patch version by counting the commits that have been
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# added to the release branch since it forked off the chromeos branch.
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with urlopen(f'https://chromium.googlesource.com/chromiumos/platform/crosvm/+log/refs/heads/chromeos..{rev}?format=JSON') as resp:
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resp.readline() # Remove )]}' header
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branch_commits = json.load(resp)['log']
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version = f'{chrome_major_version}.{len(branch_commits)}'
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# Update the version, git revision, and hash in crosvm's default.nix.
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subprocess.run(['update-source-version', 'crosvm', f'--rev={rev}', version])
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