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exchange: refactor bundle specification parsing The old code was tailored to `hg bundle` usage and not appropriate for use as a general API, which clone bundles will require. The code has been rewritten to make it more generally suitable. We introduce dedicated error types to represent invalid and unsupported bundle specifications. The reason we need dedicated error types (rather than error.Abort) is because clone bundles will want to catch these exception as part of filtering entries. We don't want to swallow error.Abort on principle.
author Gregory Szorc <gregory.szorc@gmail.com>
date Tue, 13 Oct 2015 10:57:54 -0700
parents 024644b1900b
children 634666c48b7d
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26639:92d67e5729b9 26640:b13fdcc4e700
199 199
200 A delta based on a censored revision must be formed as single patch 200 A delta based on a censored revision must be formed as single patch
201 operation which replaces the entire base with new content. This ensures 201 operation which replaces the entire base with new content. This ensures
202 the delta may be applied by clones which have not censored the base. 202 the delta may be applied by clones which have not censored the base.
203 """ 203 """
204
205 class InvalidBundleSpecification(Exception):
206 """error raised when a bundle specification is invalid.
207
208 This is used for syntax errors as opposed to support errors.
209 """
210
211 class UnsupportedBundleSpecification(Exception):
212 """error raised when a bundle specification is not supported."""