comparison mercurial/copies.py @ 30196:d738cda70894

copies: make it possible to distinguish betwen _computenonoverlap invocations

_computenonoverlap needs to be invoked twice during a graft, and debugging
messages should be distinguishable between the two invocations

30195:88626de195f8

    if a == y:
        return _backwardrenames(x, y)
    return _chain(x, y, _backwardrenames(x, a),
                  _forwardcopies(a, y, match=match))

def _computenonoverlap(repo, c1, c2, addedinm1, addedinm2):
    """Computes, based on addedinm1 and addedinm2, the files exclusive to c1
    and c2. This is its own function so extensions can easily wrap this call
    to see what files mergecopies is about to process.

    Even though c1 and c2 are not used in this function, they are useful in
    other extensions for being able to read the file nodes of the changed files.
    """
    u1 = sorted(addedinm1 - addedinm2)
    u2 = sorted(addedinm2 - addedinm1)

    if u1:
        repo.ui.debug("  unmatched files in local:\n   %s\n"
                      % "\n   ".join(u1))
    if u2:
        repo.ui.debug("  unmatched files in other:\n   %s\n"
                      % "\n   ".join(u2))
    return u1, u2

def _makegetfctx(ctx):
    """return a 'getfctx' function suitable for _checkcopies usage

30196:d738cda70894

    if a == y:
        return _backwardrenames(x, y)
    return _chain(x, y, _backwardrenames(x, a),
                  _forwardcopies(a, y, match=match))

def _computenonoverlap(repo, c1, c2, addedinm1, addedinm2, baselabel=''):
    """Computes, based on addedinm1 and addedinm2, the files exclusive to c1
    and c2. This is its own function so extensions can easily wrap this call
    to see what files mergecopies is about to process.

    Even though c1 and c2 are not used in this function, they are useful in
    other extensions for being able to read the file nodes of the changed files.

    "baselabel" can be passed to help distinguish the multiple computations
    done in the graft case.
    """
    u1 = sorted(addedinm1 - addedinm2)
    u2 = sorted(addedinm2 - addedinm1)

    header = "  unmatched files in %s"
    if baselabel:
        header += ' (from %s)' % baselabel
    if u1:
        repo.ui.debug("%s:\n   %s\n" % (header % 'local', "\n   ".join(u1)))
    if u2:
        repo.ui.debug("%s:\n   %s\n" % (header % 'other', "\n   ".join(u2)))
    return u1, u2

def _makegetfctx(ctx):
    """return a 'getfctx' function suitable for _checkcopies usage