comparison hgext/evolve.py @ 1527:e080d2ae2656 stable

parents: avoid locking the repository during 'hg parents'

The wrapping code was initially written for update and pull who need the lock
anyway. We duplicated the logic in the parent case to remove the need for
locking.

1526:c2a772ade409

### Various trouble warning                                       ###
#####################################################################

# This section take care of issue warning to the user when troubles appear

@eh.wrapcommand("update")
@eh.wrapcommand("parents")
@eh.wrapcommand("pull")
def wrapmayobsoletewc(origfn, ui, repo, *args, **opts):
    """Warn that the working directory parent is an obsolete changeset"""
    def warnobsolete():
        if repo['.'].obsolete():
            ui.warn(_('working directory parent is obsolete!\n'))
            if (not ui.quiet) and obsolete.isenabled(repo, commandopt):
                ui.warn(_('(use "hg evolve" to update to its successor)\n'))
    wlock = None
    try:
        wlock = repo.wlock()
        repo._afterlock(warnobsolete)
        res = origfn(ui, repo, *args, **opts)
    finally:
        lockmod.release(wlock)
    return res

# XXX this could wrap transaction code
# XXX (but this is a bit a layer violation)
@eh.wrapcommand("commit")

1527:e080d2ae2656

### Various trouble warning                                       ###
#####################################################################

# This section take care of issue warning to the user when troubles appear


def _warnobsoletewc(ui, repo):
    if repo['.'].obsolete():
        ui.warn(_('working directory parent is obsolete!\n'))
        if (not ui.quiet) and obsolete.isenabled(repo, commandopt):
            ui.warn(_('(use "hg evolve" to update to its successor)\n'))

@eh.wrapcommand("update")
@eh.wrapcommand("pull")
def wrapmayobsoletewc(origfn, ui, repo, *args, **opts):
    """Warn that the working directory parent is an obsolete changeset"""
    def warnobsolete():
        _warnobsoletewc(ui, repo)
    wlock = None
    try:
        wlock = repo.wlock()
        repo._afterlock(warnobsolete)
        res = origfn(ui, repo, *args, **opts)
    finally:
        lockmod.release(wlock)
    return res

@eh.wrapcommand("parents")
def wrapparents(origfn, ui, repo, *args, **opts):
    res = origfn(ui, repo, *args, **opts)
    _warnobsoletewc(ui, repo)
    return res

# XXX this could wrap transaction code
# XXX (but this is a bit a layer violation)
@eh.wrapcommand("commit")