mercurial/bookmarks.py

24985:20bff5d09018

            if inst.errno != errno.ENOENT:
                raise
    finally:
        wlock.release()

def iscurrent(repo, mark=None, parents=None):
    '''Tell whether the current bookmark is also active

    I.e., the bookmark listed in .hg/bookmarks.current also points to a
    parent of the working directory.
    '''
    if not mark:
        mark = repo._activebookmark
    if not parents:
        parents = [p.node() for p in repo[None].parents()]
    marks = repo._bookmarks
    return (mark in marks and marks[mark] in parents)

def deletedivergent(repo, deletefrom, bm):
    '''Delete divergent versions of bm on nodes in deletefrom.

    '''Return a tuple (targetrev, movemarkfrom) indicating the rev to
    check out and where to move the active bookmark from, if needed.'''
    movemarkfrom = None
    if checkout is None:
        curmark = repo._activebookmark
        if iscurrent(repo):
            movemarkfrom = repo['.'].node()
        elif curmark:
            ui.status(_("updating to active bookmark %s\n") % curmark)
            checkout = curmark
    return (checkout, movemarkfrom)

24986:fb9b7b937b3e

            if inst.errno != errno.ENOENT:
                raise
    finally:
        wlock.release()

def isactivewdirparent(repo):
    """
    Tell whether the 'active' bookmark (the one that follows new commits)
    points to one of the parents of the current working directory (wdir).

    While this is normally the case, it can on occasion be false; for example,
    immediately after a pull, the active bookmark can be moved to point
    to a place different than the wdir. This is solved by running `hg update`.
    """
    mark = repo._activebookmark
    marks = repo._bookmarks
    parents = [p.node() for p in repo[None].parents()]
    return (mark in marks and marks[mark] in parents)

def deletedivergent(repo, deletefrom, bm):
    '''Delete divergent versions of bm on nodes in deletefrom.

    '''Return a tuple (targetrev, movemarkfrom) indicating the rev to
    check out and where to move the active bookmark from, if needed.'''
    movemarkfrom = None
    if checkout is None:
        curmark = repo._activebookmark
        if isactivewdirparent(repo):
            movemarkfrom = repo['.'].node()
        elif curmark:
            ui.status(_("updating to active bookmark %s\n") % curmark)
            checkout = curmark
    return (checkout, movemarkfrom)