89 lines
2.6 KiB
Python
89 lines
2.6 KiB
Python
# Copyright 2017 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import re
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from zuul.model import TriggerEvent
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from zuul.model import EventFilter
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EMPTY_GIT_REF = '0' * 40 # git sha of all zeros, used during creates/deletes
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class GitTriggerEvent(TriggerEvent):
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"""Incoming event from an external system."""
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def __repr__(self):
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ret = '<GitTriggerEvent %s %s' % (self.type,
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self.project_name)
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if self.branch:
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ret += " branch:%s" % self.branch
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if self.ref:
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ret += " ref:%s" % self.ref
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ret += " oldrev:%s" % self.oldrev
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ret += " newrev:%s" % self.newrev
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ret += '>'
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return ret
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class GitEventFilter(EventFilter):
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def __init__(self, trigger, types=[], refs=[],
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ignore_deletes=True):
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super().__init__(trigger)
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self._refs = refs
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self.types = types
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self.refs = [re.compile(x) for x in refs]
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self.ignore_deletes = ignore_deletes
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def __repr__(self):
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ret = '<GitEventFilter'
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if self.types:
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ret += ' types: %s' % ', '.join(self.types)
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if self._refs:
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ret += ' refs: %s' % ', '.join(self._refs)
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if self.ignore_deletes:
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ret += ' ignore_deletes: %s' % self.ignore_deletes
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ret += '>'
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return ret
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def matches(self, event, change):
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# event types are ORed
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matches_type = False
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for etype in self.types:
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if etype == event.type:
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matches_type = True
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if self.types and not matches_type:
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return False
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# refs are ORed
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matches_ref = False
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if event.ref is not None:
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for ref in self.refs:
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if ref.match(event.ref):
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matches_ref = True
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if self.refs and not matches_ref:
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return False
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if self.ignore_deletes and event.newrev == EMPTY_GIT_REF:
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# If the updated ref has an empty git sha (all 0s),
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# then the ref is being deleted
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return False
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return True
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