mirror of
https://github.com/angular/angular.git
synced 2026-09-14 13:54:52 +08:00
71 lines
2.8 KiB
Python
71 lines
2.8 KiB
Python
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"""
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Script that sets up the Angular snapshot github builds. We set up the snapshot builds by
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overwriting the versions in the "package.json" and taking advantage of Yarn's resolutions
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feature. Yarn resolutions will be used to flatten nested Angular packages because by default
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Yarn does not flatten any dependency. See:
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node_modules/compiler@snapshot
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node_modules/compiler-cli@snapshot
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node_modules/compiler@7.0.1
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Note that we cannot just use Yarn's `--flat` option because that would mean that it tries
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to flatten **all** dependencies and could cause unexpected results. We **only** want to
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explicitly flatten out all `@angular/*` dependencies. This can be achieved with resolutions.
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Read more here: https://yarnpkg.com/lang/en/docs/package-json/#toc-resolutions
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"""
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import json
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import os
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import argparse
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def collect_angular_deps(obj, result):
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for item in obj:
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if (item.startswith('@angular/')):
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result.append(item)
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project_dir = os.path.realpath(os.path.join(os.path.dirname(__file__), '../../'))
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package_json_path = os.path.join(project_dir, 'package.json')
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parser = argparse.ArgumentParser(description='Setup Angular snapshot packages')
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parser.add_argument('--tag', required = True)
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parsed_args = parser.parse_args()
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with open(package_json_path, 'r') as package_json:
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data = json.load(package_json)
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angular_pkgs = []
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collect_angular_deps(data['dependencies'], angular_pkgs)
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collect_angular_deps(data['devDependencies'], angular_pkgs)
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if not 'resolutions' in data:
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data['resolutions'] = {}
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print('Setting up snapshot builds for:')
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for pkg in angular_pkgs:
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new_url = "github:angular/%s-builds#%s" % (pkg.split('/')[1], parsed_args.tag)
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print(" %s -> %s" % (pkg, new_url))
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# Add resolutions for each package in the format "**/{PACKAGE}" so that all
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# nested versions of that specific Angular package will have the same version.
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data['resolutions']['**/%s' % pkg] = new_url
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# Since the resolutions only cover the version of all nested installs, we also need
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# to explicitly set the version for the package listed in the project "package.json".
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data['dependencies'][pkg] = new_url
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# In case this dependency was previously a dev dependency, just remove it because we
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# re-added it as a normal dependency for simplicity.
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if pkg in data['devDependencies']:
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del data['devDependencies'][pkg]
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new_package_json = json.dumps(data, indent = 2)
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with open(package_json_path, 'w') as package_json_out:
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package_json_out.write(new_package_json)
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print('')
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print('Successfully added the "resolutions" to the "package.json".')
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print('Please run "yarn install" in the project to update the lock file.')
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