mercurial/copies.py

41392:b80af0707066

)
from .utils import (
    stringutil,
)

def _findlimit(repo, a, b):
    """
    Find the last revision that needs to be checked to ensure that a full
    transitive closure for file copies can be properly calculated.
    Generally, this means finding the earliest revision number that's an
    ancestor of a or b but not both, except when a or b is a direct descendent

    #   - track number of interesting revs that might still be on a side
    #   - track the lowest interesting rev seen
    #   - quit when interesting revs is zero

    cl = repo.changelog
    if a is None:
        a = node.wdirrev
    if b is None:
        b = node.wdirrev

    debug = repo.ui.debugflag and repo.ui.configbool('devel', 'debug.copies')
    dbg = repo.ui.debug
    if debug:
        dbg('debug.copies:    looking into rename from %s to %s\n'
            % (a, b))
    limit = _findlimit(repo, a.rev(), b.rev())
    if debug:
        dbg('debug.copies:      search limit: %d\n' % limit)
    am = a.manifest()

    # find where new files came from

    graft = dirtyc1 or dirtyc2
    tca = base
    if graft:
        tca = _c1.ancestor(_c2)

    limit = _findlimit(repo, c1.rev(), c2.rev())
    repo.ui.debug("  searching for copies back to rev %d\n" % limit)

    m1 = c1.manifest()
    m2 = c2.manifest()
    mb = base.manifest()

41393:dc50121126ae

)
from .utils import (
    stringutil,
)

def _findlimit(repo, ctxa, ctxb):
    """
    Find the last revision that needs to be checked to ensure that a full
    transitive closure for file copies can be properly calculated.
    Generally, this means finding the earliest revision number that's an
    ancestor of a or b but not both, except when a or b is a direct descendent

    #   - track number of interesting revs that might still be on a side
    #   - track the lowest interesting rev seen
    #   - quit when interesting revs is zero

    cl = repo.changelog
    a = ctxa.rev()
    b = ctxb.rev()
    if a is None:
        a = node.wdirrev
    if b is None:
        b = node.wdirrev

    debug = repo.ui.debugflag and repo.ui.configbool('devel', 'debug.copies')
    dbg = repo.ui.debug
    if debug:
        dbg('debug.copies:    looking into rename from %s to %s\n'
            % (a, b))
    limit = _findlimit(repo, a, b)
    if debug:
        dbg('debug.copies:      search limit: %d\n' % limit)
    am = a.manifest()

    # find where new files came from

    graft = dirtyc1 or dirtyc2
    tca = base
    if graft:
        tca = _c1.ancestor(_c2)

    limit = _findlimit(repo, c1, c2)
    repo.ui.debug("  searching for copies back to rev %d\n" % limit)

    m1 = c1.manifest()
    m2 = c2.manifest()
    mb = base.manifest()