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73 lines
2.3 KiB
Python
73 lines
2.3 KiB
Python
from typing import Optional, Tuple
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import os
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from distutils.version import LooseVersion
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from version import PROVISION_VERSION
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from scripts.lib.zulip_tools import get_dev_uuid_var_path
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def get_major_version(v):
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# type: (str) -> int
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return int(v.split('.')[0])
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def get_version_file():
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# type: () -> str
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uuid_var_path = get_dev_uuid_var_path()
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return os.path.join(uuid_var_path, 'provision_version')
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PREAMBLE = '''
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Before we run tests, we make sure your provisioning version
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is correct by looking at var/provision_version, which is at
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version %s, and we compare it to the version in source
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control (version.py), which is %s.
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'''
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def preamble(version):
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# type: (str) -> str
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text = PREAMBLE % (version, PROVISION_VERSION)
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text += '\n'
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return text
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NEED_TO_DOWNGRADE = '''
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It looks like you checked out a branch that expects an older
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version of dependencies than the version you provisioned last.
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This may be ok, but it's likely that you either want to rebase
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your branch on top of upstream/master or re-provision your VM.
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Do this: `./tools/provision`
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'''
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NEED_TO_UPGRADE = '''
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It looks like you checked out a branch that has added
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dependencies beyond what you last provisioned. Your command
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is likely to fail until you add dependencies by provisioning.
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Do this: `./tools/provision`
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'''
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def get_provisioning_status():
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# type: () -> Tuple[bool, Optional[str]]
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version_file = get_version_file()
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if not os.path.exists(version_file):
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# If the developer doesn't have a version_file written by
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# a previous provision, then we don't do any safety checks
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# here on the assumption that the developer is managing
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# their own dependencies and not running provision.
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return True, None
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version = open(version_file).read().strip()
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# Normal path for people that provision--we're all good!
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if version == PROVISION_VERSION:
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return True, None
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# We may be more provisioned than the branch we just moved to. As
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# long as the major version hasn't changed, then we should be ok.
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if LooseVersion(version) > LooseVersion(PROVISION_VERSION):
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if get_major_version(version) == get_major_version(PROVISION_VERSION):
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return True, None
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else:
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return False, preamble(version) + NEED_TO_DOWNGRADE
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return False, preamble(version) + NEED_TO_UPGRADE
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