tests/fakedirstatewritetime.py

patchbomb: check that targets exist at the publicurl

Advertising that the patch are available to be pulled requires that to be true.
So we check revision availability on the remote before sending any email.

# extension to emulate invoking 'dirstate.write()' at the time
# specified by '[fakedirstatewritetime] fakenow', only when
# 'dirstate.write()' is invoked via functions below:
#
#   - 'workingctx._checklookup()' (= 'repo.status()')
#   - 'committablectx.markcommitted()'

from mercurial import context, extensions, parsers, util

def pack_dirstate(fakenow, orig, dmap, copymap, pl, now):
    # execute what original parsers.pack_dirstate should do actually
    # for consistency
    actualnow = int(now)
    for f, e in dmap.iteritems():
        if e[0] == 'n' and e[3] == actualnow:
            e = parsers.dirstatetuple(e[0], e[1], e[2], -1)
            dmap[f] = e

    return orig(dmap, copymap, pl, fakenow)

def fakewrite(ui, func):
    # fake "now" of 'pack_dirstate' only if it is invoked while 'func'

    fakenow = ui.config('fakedirstatewritetime', 'fakenow')
    if not fakenow:
        # Execute original one, if fakenow isn't configured. This is
        # useful to prevent subrepos from executing replaced one,
        # because replacing 'parsers.pack_dirstate' is also effective
        # in subrepos.
        return func()

    # parsing 'fakenow' in YYYYmmddHHMM format makes comparison between
    # 'fakenow' value and 'touch -t YYYYmmddHHMM' argument easy
    timestamp = util.parsedate(fakenow, ['%Y%m%d%H%M'])[0]
    fakenow = float(timestamp)

    orig_pack_dirstate = parsers.pack_dirstate
    wrapper = lambda *args: pack_dirstate(fakenow, orig_pack_dirstate, *args)

    parsers.pack_dirstate = wrapper
    try:
        return func()
    finally:
        parsers.pack_dirstate = orig_pack_dirstate

def _checklookup(orig, workingctx, files):
    ui = workingctx.repo().ui
    return fakewrite(ui, lambda : orig(workingctx, files))

def markcommitted(orig, committablectx, node):
    ui = committablectx.repo().ui
    return fakewrite(ui, lambda : orig(committablectx, node))

def extsetup(ui):
    extensions.wrapfunction(context.workingctx, '_checklookup',
                            _checklookup)
    extensions.wrapfunction(context.committablectx, 'markcommitted',
                            markcommitted)