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0e4d95b67e
Summary: These fixes are related to documentation-related check-style tests. Depends on D6675344 Test Plan: - more tests pass Reviewers: #sourcecontrol Differential Revision: https://phabricator.intern.facebook.com/D6675351
71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
# hiddenerror.py
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#
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# Copyright 2017 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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"""configurable error messages for accessing hidden changesets
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Set the following configuration options to customize the error message
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seen when the user attempts to access a hidden changeset::
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[hiddenerror]
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message = my custom message
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hint = my custom hint
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The message and hint can contain an optional `{0}` which will be substituted
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with the hash of the hidden changeset.
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"""
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from __future__ import absolute_import
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from mercurial import (
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chgserver,
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context,
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error,
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extensions,
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)
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from mercurial.i18n import _
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from mercurial.node import short
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testedwith = 'ships-with-fb-hgext'
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def uisetup(ui):
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"""Wrap context.changectx to catch FilteredRepoLookupError."""
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# uisetup has side effects depending on config. chg only runs uisetup once.
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# Tell chg to reload if [hiddenerror] config section changes.
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chgserver._configsections.append('hiddenerror')
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# Get the error messages from the user's configuration and substitute the
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# hash in.
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msgfmt, hintfmt = _getstrings(ui)
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def _filterederror(orig, repo, rev):
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# If the number is beyond the changelog, it's a short hash that
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# just happened to be a number.
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intrev = None
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try:
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intrev = int(rev)
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except ValueError:
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pass
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if intrev is not None and intrev < len(repo):
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node = repo.unfiltered()[rev].node()
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shorthash = short(node)
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msg = msgfmt.format(shorthash)
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hint = hintfmt and hintfmt.format(shorthash)
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return error.FilteredRepoLookupError(msg, hint=hint)
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return orig(repo, rev)
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extensions.wrapfunction(context, '_filterederror', _filterederror)
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def _getstrings(ui):
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"""Lood the error messages to show when the user tries to access a
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hidden commit from the user's configuration file. Fall back to
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default messages if nothing is configured.
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"""
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msg = ui.config('hiddenerror', 'message')
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hint = ui.config('hiddenerror', 'hint')
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if not msg:
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msg = _("hidden changeset {0}")
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return msg, hint
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