comparison mercurial/exchange.py @ 48549:28f0092ec89f

exchange: add fast path for subrepo check on push

Try to check if .hgsub and .hgsubstate exist at all before looking
for them in every changeset to be pushed. The latter can be quite
expensive for large repositories and the existance check is almost free.

Differential Revision: https://phab.mercurial-scm.org/D11956

48548:88a45330b290

        step(pushop)


def _checksubrepostate(pushop):
    """Ensure all outgoing referenced subrepo revisions are present locally"""
    for n in pushop.outgoing.missing:
        ctx = pushop.repo[n]

        if b'.hgsub' in ctx.manifest() and b'.hgsubstate' in ctx.files():
            for subpath in sorted(ctx.substate):
                sub = ctx.sub(subpath)
                sub.verify(onpush=True)

48549:28f0092ec89f

        step(pushop)


def _checksubrepostate(pushop):
    """Ensure all outgoing referenced subrepo revisions are present locally"""

    repo = pushop.repo

    # If the repository does not use subrepos, skip the expensive
    # manifest checks.
    if not len(repo.file(b'.hgsub')) or not len(repo.file(b'.hgsubstate')):
        return

    for n in pushop.outgoing.missing:
        ctx = repo[n]

        if b'.hgsub' in ctx.manifest() and b'.hgsubstate' in ctx.files():
            for subpath in sorted(ctx.substate):
                sub = ctx.sub(subpath)
                sub.verify(onpush=True)