comparison mercurial/copies.py @ 42115:27475ae67676

copies: extract function for deciding whether to use changeset-centric algos

We'll eventually have a "experimental.copies.read-from=changeset-only"
option too and I don't want to spread the logic for determining if we
should use changeset-centric of filelog-centric algorithms.

Differential Revision: https://phab.mercurial-scm.org/D6163

42114:aa84bc48c2f7

    """
    ma = a.manifest()
    mb = b.manifest()
    return mb.filesnotin(ma, match=match)

def _committedforwardcopies(a, b, match):
    """Like _forwardcopies(), but b.rev() cannot be None (working copy)"""
    # files might have to be traced back to the fctx parent of the last
    # one-side-only changeset, but not further back than that
    repo = a._repo

    if repo.ui.config('experimental', 'copies.read-from') == 'compatibility':
        return _changesetforwardcopies(a, b, match)

    debug = repo.ui.debugflag and repo.ui.configbool('devel', 'debug.copies')
    dbg = repo.ui.debug
    if debug:

42115:27475ae67676

    """
    ma = a.manifest()
    mb = b.manifest()
    return mb.filesnotin(ma, match=match)

def usechangesetcentricalgo(repo):
    """Checks if we should use changeset-centric copy algorithms"""
    return (repo.ui.config('experimental', 'copies.read-from') ==
            'compatibility')

def _committedforwardcopies(a, b, match):
    """Like _forwardcopies(), but b.rev() cannot be None (working copy)"""
    # files might have to be traced back to the fctx parent of the last
    # one-side-only changeset, but not further back than that
    repo = a._repo

    if usechangesetcentricalgo(repo):
        return _changesetforwardcopies(a, b, match)

    debug = repo.ui.debugflag and repo.ui.configbool('devel', 'debug.copies')
    dbg = repo.ui.debug
    if debug: