upstream/mercurial-mirror Files · mercurial/node.py

split: new extension to split changesets...

split: new extension to split changesets This diff introduces an experimental split extension to split changesets. The implementation is largely inspired by Laurent Charignon's implementation for mutable-history (changeset [1]) This version contains various improvements: - Rebase by default. This is more friendly for new users. Split won't lead to merge conflicts so a rebase won't give the user more trouble. This has been on by default at Facebook for months now and seems to be a good UX improvement. The rebase skips obsoleted or orphaned changesets, which can avoid issues like allowdivergence, merge conflicts, etc. This is more flexible because the user can decide what to do next (see the last test case in test-split.t) - Remove "Done split? [y/n]" prompt. That could be detected by checking `repo.status()` instead. - Works with obsstore disabled. Without obsstore, split uses strip to clean up old nodes, and it can even handle split a non-head changeset with "allowunstable" disabled, since it runs a rebase to solve the "unstable" issue in a same transaction. - More friendly editor text. Put what has been already split into the editor text so users won't lost track about where they are. [1]: https://bitbucket.org/marmoute/mutable-history/commits/9603aa1ecdfd54b Differential Revision: https://phab.mercurial-scm.org/D1082

Yuya Nishihara - - Load All Authors

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      # node.py - basic nodeid manipulation for mercurial

      #

      # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>

      #

      # This software may be used and distributed according to the terms of the

      # GNU General Public License version 2 or any later version.

      from __future__ import absolute_import

      import binascii

      # This ugly style has a noticeable effect in manifest parsing

      hex = binascii.hexlify

      bin = binascii.unhexlify

      nullrev = -1

      nullid = b"\0" * 20

      nullhex = hex(nullid)

      # Phony node value to stand-in for new files in some uses of

      # manifests.

      newnodeid = '!' * 20

      addednodeid = ('0' * 15) + 'added'

      modifiednodeid = ('0' * 12) + 'modified'

      wdirnodes = {newnodeid, addednodeid, modifiednodeid}

      # pseudo identifiers for working directory

      # (they are experimental, so don't add too many dependencies on them)

      wdirrev = 0x7fffffff

      wdirid = b"\xff" * 20

      wdirhex = hex(wdirid)

      def short(node):

          return hex(node[:6])

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				# node.py - basic nodeid manipulation for mercurial
				#
				# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
				#
				# This software may be used and distributed according to the terms of the
				# GNU General Public License version 2 or any later version.

				from __future__ import absolute_import

				import binascii

				# This ugly style has a noticeable effect in manifest parsing
				hex = binascii.hexlify
				bin = binascii.unhexlify

				nullrev = -1
				nullid = b"\0" * 20
				nullhex = hex(nullid)

				# Phony node value to stand-in for new files in some uses of
				# manifests.
				newnodeid = '!' * 20
				addednodeid = ('0' * 15) + 'added'
				modifiednodeid = ('0' * 12) + 'modified'

				wdirnodes = {newnodeid, addednodeid, modifiednodeid}

				# pseudo identifiers for working directory
				# (they are experimental, so don't add too many dependencies on them)
				wdirrev = 0x7fffffff
				wdirid = b"\xff" * 20
				wdirhex = hex(wdirid)

				def short(node):
				return hex(node[:6])