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scmutil: accept multiple predecessors in 'replacements' (API)...
scmutil: accept multiple predecessors in 'replacements' (API) This changeset makes 'cleanupnodes' accepts multiple predecessors as `replacements` keys. The same as it accepts multiple successors as `replacements` values. To avoid breaking all callers, the old and new ways are currently valid at the same time. We'll deprecate and drop the old way later. This change is the first step toward a better tracking of "fold" event in the evolution history. While working on the "rewind" command (in the evolve extension), we realized that first class tracking of folds are necessary. We already have good tracking of splits. When walking the evolution history from predecessors to successors, that makes for a clear distinction between having multiple successors because of the actual splitting of a changeset or content-divergences. The "rewind" command allows restoring older evolution of a stack of changesets. One of its mode walks the evolution history to automatically find appropriate predecessors. This means walking from successors to predecessors. In this case, we need to be able to make the same distinction between an actual fold and other cases. So we will have to track folds explicitly. This changesets only focus on making it possible to express fold at the `cleanupnodes` API level. The actual tracking will be implemented later.
Boris Feld - - Load All Authors

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cacheutil.py
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Boris Feld
caches: make 'cachetocopy' available in scmutil...
 r35784 # scmutil.py - Mercurial core utility functions
#
# Copyright Matt Mackall <mpm@selenic.com> and other
#
# 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
from . import repoview
def cachetocopy(srcrepo):
"""return the list of cache file valuable to copy during a clone"""
# In local clones we're copying all nodes, not just served
# ones. Therefore copy all branch caches over.
cachefiles = ['branch2']
cachefiles += ['branch2-%s' % f for f in repoview.filtertable]
cachefiles += ['rbc-names-v1', 'rbc-revs-v1']
cachefiles += ['tags2']
cachefiles += ['tags2-%s' % f for f in repoview.filtertable]
cachefiles += ['hgtagsfnodes1']
return cachefiles