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b858cf6123
Summary: arc lint --apply-patches --take BLACK *.py Reviewed By: ryanmce Differential Revision: D8183174 fbshipit-source-id: d96ce6c476e283d7d97c84ceae95a576bdf3ea8a
82 lines
2.7 KiB
Python
82 lines
2.7 KiB
Python
# Copyright 2018 Facebook, Inc.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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# Standard Library
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import hashlib
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import json
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from mercurial.i18n import _
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from . import commitcloudcommon, commitcloudutil
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from .. import shareutil
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class SyncState(object):
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"""
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Stores the local record of what state was stored in the cloud at the
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last sync.
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"""
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@staticmethod
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def _filename(workspace):
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# make a unique valid filename
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return (
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"commitcloudstate."
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+ "".join(x for x in workspace if x.isalnum())
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+ ".%s" % (hashlib.sha256(workspace).hexdigest()[0:5])
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)
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@staticmethod
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def erasestate(repo):
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# get current workspace
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workspace = commitcloudutil.getworkspacename(repo)
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if not workspace:
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raise commitcloudcommon.WorkspaceError(repo.ui, _("undefined workspace"))
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filename = SyncState._filename(workspace)
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# clean up the current state in force recover mode
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if repo.svfs.exists(filename):
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with repo.wlock(), repo.lock():
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repo.svfs.unlink(filename)
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def __init__(self, repo):
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# get current workspace
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workspace = commitcloudutil.getworkspacename(repo)
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if not workspace:
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raise commitcloudcommon.WorkspaceError(repo.ui, _("undefined workspace"))
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self.filename = SyncState._filename(workspace)
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repo = shareutil.getsrcrepo(repo)
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self.repo = repo
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if repo.svfs.exists(self.filename):
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with repo.svfs.open(self.filename, "r") as f:
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try:
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data = json.load(f)
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except Exception:
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raise commitcloudcommon.InvalidWorkspaceDataError(
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repo.ui, _("failed to parse %s") % self.filename
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)
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self.version = data["version"]
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self.heads = [h.encode() for h in data["heads"]]
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self.bookmarks = {
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n.encode("utf-8"): v.encode() for n, v in data["bookmarks"].items()
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}
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else:
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self.version = 0
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self.heads = []
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self.bookmarks = {}
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def update(self, newversion, newheads, newbookmarks):
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data = {"version": newversion, "heads": newheads, "bookmarks": newbookmarks}
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with self.repo.wlock(), self.repo.lock():
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with self.repo.svfs.open(self.filename, "w", atomictemp=True) as f:
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json.dump(data, f)
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self.version = newversion
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self.heads = newheads
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self.bookmarks = newbookmarks
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