mirror of
https://github.com/mongodb/mongo.git
synced 2024-11-29 08:42:18 +01:00
78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
# Copyright 2020 MongoDB Inc.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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def generate(env, **kwargs):
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# Grab the existing decider functions out of the environment
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# so we can invoke them when we can't use Git.
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base_decider = env.decide_target
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if base_decider != env.decide_source:
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raise Exception("Decider environment seems broken")
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from git import Git
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thisRepo = Git(env.Dir("#").abspath)
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currentGitState = thisRepo.ls_files("--stage")
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lines = currentGitState.split("\n")
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file_sha1_map = {}
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for line in lines:
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line_content = line.split()
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file_sha1_map[env.File(line_content[3]).path] = line_content[1]
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for m in thisRepo.ls_files("-m").split("\n"):
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if m:
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del file_sha1_map[env.File(m).path]
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def is_known_to_git(dependency):
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return str(dependency) in file_sha1_map
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def git_says_file_is_up_to_date(dependency, prev_ni):
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gitInfoForDep = file_sha1_map[str(dependency)]
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if prev_ni is None:
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dependency.get_ninfo().csig = gitInfoForDep
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return False
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if not (hasattr(prev_ni, "csig")):
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prev_ni.csig = gitInfoForDep
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result = gitInfoForDep == prev_ni.csig
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return result
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def MongoGitDecider(dependency, target, prev_ni, node):
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if not is_known_to_git(dependency):
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return base_decider(dependency, target, prev_ni, node)
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return not git_says_file_is_up_to_date(dependency, prev_ni)
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env.Decider(MongoGitDecider)
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def exists(env):
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try:
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from git import Git
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Git(env.Dir("#").abspath).ls_files("--stage")
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return True
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except:
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return False
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