comparison mercurial/merge.py @ 44211:fc7175df6359

graft: let caller pass in overlayworkingctx to merge.graft()

Passing in a different `wctx` than `repo[None]` is useful because it
allows the caller to decide to not touch the working directory.

Differential Revision: https://phab.mercurial-scm.org/D8026

44210:d0c3eead515a

        )
    return stats


def graft(
    repo, ctx, base, labels=None, keepparent=False, keepconflictparent=False
):
    """Do a graft-like merge.

    This is a merge where the merge ancestor is chosen such that one
    or more changesets are grafted onto the current changeset. In

    # mergeancestor=True to update. This does two things: 1) allows the merge if
    # the destination is the same as the parent of the ctx (so we can use graft
    # to copy commits), and 2) informs update that the incoming changes are
    # newer than the destination so it doesn't prompt about "remote changed foo
    # which local deleted".
    wctx = repo[None]
    pctx = wctx.p1()
    mergeancestor = repo.changelog.isancestor(pctx.node(), ctx.node())

    stats = update(
        repo,

        True,
        True,
        base.node(),
        mergeancestor=mergeancestor,
        labels=labels,
    )

    if keepconflictparent and stats.unresolvedcount:
        pother = ctx.node()
    else:

            pother = parents[0].node()
    # Never set both parents equal to each other
    if pother == pctx.node():
        pother = nullid

    with repo.dirstate.parentchange():
        repo.setparents(pctx.node(), pother)
        repo.dirstate.write(repo.currenttransaction())
        # fix up dirstate for copies and renames
        copies.graftcopies(wctx, ctx, base)
    return stats


def purge(
    repo,

44211:fc7175df6359

        )
    return stats


def graft(
    repo,
    ctx,
    base,
    labels=None,
    keepparent=False,
    keepconflictparent=False,
    wctx=None,
):
    """Do a graft-like merge.

    This is a merge where the merge ancestor is chosen such that one
    or more changesets are grafted onto the current changeset. In

    # mergeancestor=True to update. This does two things: 1) allows the merge if
    # the destination is the same as the parent of the ctx (so we can use graft
    # to copy commits), and 2) informs update that the incoming changes are
    # newer than the destination so it doesn't prompt about "remote changed foo
    # which local deleted".
    wctx = wctx or repo[None]
    pctx = wctx.p1()
    mergeancestor = repo.changelog.isancestor(pctx.node(), ctx.node())

    stats = update(
        repo,

        True,
        True,
        base.node(),
        mergeancestor=mergeancestor,
        labels=labels,
        wc=wctx,
    )

    if keepconflictparent and stats.unresolvedcount:
        pother = ctx.node()
    else:

            pother = parents[0].node()
    # Never set both parents equal to each other
    if pother == pctx.node():
        pother = nullid

    if wctx.isinmemory():
        wctx.setparents(pctx.node(), pother)
        # fix up dirstate for copies and renames
        copies.graftcopies(wctx, ctx, base)
    else:
        with repo.dirstate.parentchange():
            repo.setparents(pctx.node(), pother)
            repo.dirstate.write(repo.currenttransaction())
            # fix up dirstate for copies and renames
            copies.graftcopies(wctx, ctx, base)
    return stats


def purge(
    repo,