forked from mirrors/nixpkgs
1138af5637
...in the update script and remove it from the Gemfile.lock. Having it there causes a failure with the error message: Could not find libv8-node-16.10.0.0-aarch64-linux in any of the sources (Bundler::GemNotFound) And since we're not using the prebuilt binary packages anyway, we don't need it there in the first place.
403 lines
14 KiB
Python
Executable file
403 lines
14 KiB
Python
Executable file
#!/usr/bin/env nix-shell
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#! nix-shell -i python3 -p bundix bundler nix-update nix-universal-prefetch python3 python3Packages.requests python3Packages.click python3Packages.click-log
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from __future__ import annotations
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import click
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import click_log
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import shutil
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import tempfile
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import re
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import logging
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import subprocess
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import os
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import stat
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import json
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import requests
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import textwrap
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from functools import total_ordering
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from distutils.version import LooseVersion
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from itertools import zip_longest
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from pathlib import Path
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from typing import Union, Iterable
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logger = logging.getLogger(__name__)
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@total_ordering
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class DiscourseVersion:
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"""Represents a Discourse style version number and git tag.
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This takes either a tag or version string as input and
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extrapolates the other. Sorting is implemented to work as expected
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in regard to A.B.C.betaD version numbers - 2.0.0.beta1 is
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considered lower than 2.0.0.
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"""
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tag: str = ""
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version: str = ""
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split_version: Iterable[Union[None, int, str]] = []
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def __init__(self, version: str):
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"""Take either a tag or version number, calculate the other."""
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if version.startswith('v'):
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self.tag = version
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self.version = version.lstrip('v')
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else:
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self.tag = 'v' + version
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self.version = version
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self.split_version = LooseVersion(self.version).version
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def __eq__(self, other: DiscourseVersion):
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"""Versions are equal when their individual parts are."""
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return self.split_version == other.split_version
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def __gt__(self, other: DiscourseVersion):
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"""Check if this version is greater than the other.
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Goes through the parts of the version numbers from most to
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least significant, only continuing on to the next if the
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numbers are equal and no decision can be made. If one version
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ends in 'betaX' and the other doesn't, all else being equal,
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the one without 'betaX' is considered greater, since it's the
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release version.
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"""
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for (this_ver, other_ver) in zip_longest(self.split_version, other.split_version):
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if this_ver == other_ver:
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continue
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if type(this_ver) is int and type(other_ver) is int:
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return this_ver > other_ver
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elif 'beta' in [this_ver, other_ver]:
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# release version (None) is greater than beta
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return this_ver is None
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else:
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return False
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class DiscourseRepo:
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version_regex = re.compile(r'^v\d+\.\d+\.\d+(\.beta\d+)?$')
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_latest_commit_sha = None
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def __init__(self, owner: str = 'discourse', repo: str = 'discourse'):
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self.owner = owner
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self.repo = repo
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@property
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def versions(self) -> Iterable[str]:
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r = requests.get(f'https://api.github.com/repos/{self.owner}/{self.repo}/git/refs/tags').json()
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tags = [x['ref'].replace('refs/tags/', '') for x in r]
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# filter out versions not matching version_regex
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versions = filter(self.version_regex.match, tags)
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versions = [DiscourseVersion(x) for x in versions]
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versions.sort(reverse=True)
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return versions
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@property
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def latest_commit_sha(self) -> str:
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if self._latest_commit_sha is None:
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r = requests.get(f'https://api.github.com/repos/{self.owner}/{self.repo}/commits?per_page=1')
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r.raise_for_status()
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self._latest_commit_sha = r.json()[0]['sha']
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return self._latest_commit_sha
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def get_file(self, filepath, rev):
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"""returns file contents at a given rev :param filepath: the path to
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the file, relative to the repo root :param rev: the rev to
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fetch at :return:
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"""
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r = requests.get(f'https://raw.githubusercontent.com/{self.owner}/{self.repo}/{rev}/{filepath}')
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r.raise_for_status()
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return r.text
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def _call_nix_update(pkg, version):
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"""calls nix-update from nixpkgs root dir"""
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nixpkgs_path = Path(__file__).parent / '../../../../'
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return subprocess.check_output(['nix-update', pkg, '--version', version], cwd=nixpkgs_path)
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def _nix_eval(expr: str):
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nixpkgs_path = Path(__file__).parent / '../../../../'
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try:
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output = subprocess.check_output(['nix-instantiate', '--strict', '--json', '--eval', '-E', f'(with import {nixpkgs_path} {{}}; {expr})'], text=True)
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except subprocess.CalledProcessError:
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return None
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return json.loads(output)
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def _get_current_package_version(pkg: str):
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return _nix_eval(f'{pkg}.version')
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def _diff_file(filepath: str, old_version: DiscourseVersion, new_version: DiscourseVersion):
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repo = DiscourseRepo()
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current_dir = Path(__file__).parent
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old = repo.get_file(filepath, old_version.tag)
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new = repo.get_file(filepath, new_version.tag)
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if old == new:
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click.secho(f'{filepath} is unchanged', fg='green')
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return
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with tempfile.NamedTemporaryFile(mode='w') as o, tempfile.NamedTemporaryFile(mode='w') as n:
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o.write(old), n.write(new)
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width = shutil.get_terminal_size((80, 20)).columns
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diff_proc = subprocess.run(
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['diff', '--color=always', f'--width={width}', '-y', o.name, n.name],
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stdout=subprocess.PIPE,
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cwd=current_dir,
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text=True
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)
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click.secho(f'Diff for {filepath} ({old_version.version} -> {new_version.version}):', fg='bright_blue', bold=True)
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click.echo(diff_proc.stdout + '\n')
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return
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def _remove_platforms(rubyenv_dir: Path):
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for platform in ['arm64-darwin-20', 'x86_64-darwin-18',
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'x86_64-darwin-19', 'x86_64-darwin-20',
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'x86_64-linux', 'aarch64-linux']:
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with open(rubyenv_dir / 'Gemfile.lock', 'r') as f:
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for line in f:
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if platform in line:
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subprocess.check_output(
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['bundle', 'lock', '--remove-platform', platform], cwd=rubyenv_dir)
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break
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@click_log.simple_verbosity_option(logger)
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@click.group()
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def cli():
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pass
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@cli.command()
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@click.argument('rev', default='latest')
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@click.option('--reverse/--no-reverse', default=False, help='Print diffs from REV to current.')
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def print_diffs(rev, reverse):
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"""Print out diffs for files used as templates for the NixOS module.
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The current package version found in the nixpkgs worktree the
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script is run from will be used to download the "from" file and
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REV used to download the "to" file for the diff, unless the
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'--reverse' flag is specified.
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REV should be the git rev to find changes in ('vX.Y.Z') or
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'latest'; defaults to 'latest'.
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"""
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if rev == 'latest':
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repo = DiscourseRepo()
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rev = repo.versions[0].tag
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old_version = DiscourseVersion(_get_current_package_version('discourse'))
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new_version = DiscourseVersion(rev)
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if reverse:
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old_version, new_version = new_version, old_version
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for f in ['config/nginx.sample.conf', 'config/discourse_defaults.conf']:
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_diff_file(f, old_version, new_version)
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@cli.command()
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@click.argument('rev', default='latest')
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def update(rev):
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"""Update gem files and version.
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REV should be the git rev to update to ('vX.Y.Z[.betaA]') or
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'latest'; defaults to 'latest'.
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"""
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repo = DiscourseRepo()
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if rev == 'latest':
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version = repo.versions[0]
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else:
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version = DiscourseVersion(rev)
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logger.debug(f"Using rev {version.tag}")
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logger.debug(f"Using version {version.version}")
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rubyenv_dir = Path(__file__).parent / "rubyEnv"
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for fn in ['Gemfile.lock', 'Gemfile']:
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with open(rubyenv_dir / fn, 'w') as f:
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f.write(repo.get_file(fn, version.tag))
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subprocess.check_output(['bundle', 'lock'], cwd=rubyenv_dir)
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_remove_platforms(rubyenv_dir)
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subprocess.check_output(['bundix'], cwd=rubyenv_dir)
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_call_nix_update('discourse', version.version)
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@cli.command()
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def update_plugins():
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"""Update plugins to their latest revision.
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"""
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plugins = [
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{'name': 'discourse-assign'},
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{'name': 'discourse-calendar'},
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{'name': 'discourse-canned-replies'},
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{'name': 'discourse-chat-integration'},
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{'name': 'discourse-checklist'},
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{'name': 'discourse-data-explorer'},
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{'name': 'discourse-docs'},
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{'name': 'discourse-github'},
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{'name': 'discourse-ldap-auth', 'owner': 'jonmbake'},
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{'name': 'discourse-math'},
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{'name': 'discourse-migratepassword', 'owner': 'discoursehosting'},
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{'name': 'discourse-prometheus'},
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{'name': 'discourse-openid-connect'},
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{'name': 'discourse-saved-searches'},
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{'name': 'discourse-solved'},
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{'name': 'discourse-spoiler-alert'},
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{'name': 'discourse-voting'},
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{'name': 'discourse-yearly-review'},
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]
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for plugin in plugins:
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fetcher = plugin.get('fetcher') or "fetchFromGitHub"
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owner = plugin.get('owner') or "discourse"
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name = plugin.get('name')
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repo_name = plugin.get('repo_name') or name
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repo = DiscourseRepo(owner=owner, repo=repo_name)
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# implement the plugin pinning algorithm laid out here:
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# https://meta.discourse.org/t/pinning-plugin-and-theme-versions-for-older-discourse-installs/156971
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# this makes sure we don't upgrade plugins to revisions that
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# are incompatible with the packaged Discourse version
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try:
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compatibility_spec = repo.get_file('.discourse-compatibility', repo.latest_commit_sha)
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versions = [(DiscourseVersion(discourse_version), plugin_rev.strip(' '))
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for [discourse_version, plugin_rev]
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in [line.split(':')
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for line
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in compatibility_spec.splitlines()]]
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discourse_version = DiscourseVersion(_get_current_package_version('discourse'))
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versions = list(filter(lambda ver: ver[0] >= discourse_version, versions))
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if versions == []:
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rev = repo.latest_commit_sha
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else:
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rev = versions[0][1]
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print(rev)
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except requests.exceptions.HTTPError:
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rev = repo.latest_commit_sha
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filename = _nix_eval(f'builtins.unsafeGetAttrPos "src" discourse.plugins.{name}')
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if filename is None:
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filename = Path(__file__).parent / 'plugins' / name / 'default.nix'
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filename.parent.mkdir()
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has_ruby_deps = False
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for line in repo.get_file('plugin.rb', rev).splitlines():
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if 'gem ' in line:
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has_ruby_deps = True
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break
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with open(filename, 'w') as f:
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f.write(textwrap.dedent(f"""
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{{ lib, mkDiscoursePlugin, fetchFromGitHub }}:
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mkDiscoursePlugin {{
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name = "{name}";"""[1:] + ("""
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bundlerEnvArgs.gemdir = ./.;""" if has_ruby_deps else "") + f"""
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src = {fetcher} {{
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owner = "{owner}";
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repo = "{repo_name}";
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rev = "replace-with-git-rev";
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sha256 = "replace-with-sha256";
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}};
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meta = with lib; {{
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homepage = "";
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maintainers = with maintainers; [ ];
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license = licenses.mit; # change to the correct license!
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description = "";
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}};
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}}"""))
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all_plugins_filename = Path(__file__).parent / 'plugins' / 'all-plugins.nix'
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with open(all_plugins_filename, 'r+') as f:
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content = f.read()
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pos = -1
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while content[pos] != '}':
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pos -= 1
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content = content[:pos] + f' {name} = callPackage ./{name} {{}};' + os.linesep + content[pos:]
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f.seek(0)
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f.write(content)
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f.truncate()
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else:
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filename = filename['file']
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prev_commit_sha = _nix_eval(f'discourse.plugins.{name}.src.rev')
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if prev_commit_sha == rev:
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click.echo(f'Plugin {name} is already at the latest revision')
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continue
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prev_hash = _nix_eval(f'discourse.plugins.{name}.src.outputHash')
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new_hash = subprocess.check_output([
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'nix-universal-prefetch', fetcher,
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'--owner', owner,
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'--repo', repo_name,
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'--rev', rev,
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], text=True).strip("\n")
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click.echo(f"Update {name}, {prev_commit_sha} -> {rev} in {filename}")
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with open(filename, 'r+') as f:
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content = f.read()
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content = content.replace(prev_commit_sha, rev)
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content = content.replace(prev_hash, new_hash)
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f.seek(0)
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f.write(content)
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f.truncate()
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rubyenv_dir = Path(filename).parent
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gemfile = rubyenv_dir / "Gemfile"
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version_file_regex = re.compile(r'.*File\.expand_path\("\.\./(.*)", __FILE__\)')
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gemfile_text = ''
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for line in repo.get_file('plugin.rb', rev).splitlines():
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if 'gem ' in line:
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gemfile_text = gemfile_text + line + os.linesep
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version_file_match = version_file_regex.match(line)
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if version_file_match is not None:
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filename = version_file_match.groups()[0]
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content = repo.get_file(filename, rev)
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with open(rubyenv_dir / filename, 'w') as f:
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f.write(content)
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if len(gemfile_text) > 0:
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if os.path.isfile(gemfile):
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os.remove(gemfile)
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subprocess.check_output(['bundle', 'init'], cwd=rubyenv_dir)
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os.chmod(gemfile, stat.S_IREAD | stat.S_IWRITE | stat.S_IRGRP | stat.S_IROTH)
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with open(gemfile, 'a') as f:
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f.write(gemfile_text)
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subprocess.check_output(['bundle', 'lock', '--add-platform', 'ruby'], cwd=rubyenv_dir)
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subprocess.check_output(['bundle', 'lock', '--update'], cwd=rubyenv_dir)
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_remove_platforms(rubyenv_dir)
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subprocess.check_output(['bundix'], cwd=rubyenv_dir)
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if __name__ == '__main__':
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cli()
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