comparison hgext/git/index.py @ 47012:d55b71393907

node: replace nullid and friends with nodeconstants class

The introduction of 256bit hashes require changes to nullid and other
constant magic values. Start pushing them down from repository and
revlog where sensible.

Differential Revision: https://phab.mercurial-scm.org/D9465

46992:5fa019ceb499

import collections
import os
import sqlite3

from mercurial.i18n import _
from mercurial.node import (
    nullhex,
    nullid,
)

from mercurial import (
    encoding,
    error,
    pycompat,

    # This walker is sure to visit all the revisions in history, but
    # only once.
    for pos, commit in enumerate(walker):
        if prog is not None:
            prog.update(pos)
        p1 = p2 = nullhex
        if len(commit.parents) > 2:
            raise error.ProgrammingError(
                (
                    b"git support can't handle octopus merges, "
                    b"found a commit with %d parents :("

                patchgen = commit.tree.diff_to_tree(
                    swap=True, flags=_DIFF_FLAGS
                )
            new_files = (p.delta.new_file for p in patchgen)
            files = {
                nf.path: nf.id.hex for nf in new_files if nf.id.raw != nullid
            }
            for p, n in files.items():
                # We intentionally set NULLs for any file parentage
                # information so it'll get demand-computed later. We
                # used to do it right here, and it was _very_ slow.

47012:d55b71393907

import collections
import os
import sqlite3

from mercurial.i18n import _
from mercurial.node import sha1nodeconstants

from mercurial import (
    encoding,
    error,
    pycompat,

    # This walker is sure to visit all the revisions in history, but
    # only once.
    for pos, commit in enumerate(walker):
        if prog is not None:
            prog.update(pos)
        p1 = p2 = sha1nodeconstants.nullhex
        if len(commit.parents) > 2:
            raise error.ProgrammingError(
                (
                    b"git support can't handle octopus merges, "
                    b"found a commit with %d parents :("

                patchgen = commit.tree.diff_to_tree(
                    swap=True, flags=_DIFF_FLAGS
                )
            new_files = (p.delta.new_file for p in patchgen)
            files = {
                nf.path: nf.id.hex
                for nf in new_files
                if nf.id.raw != sha1nodeconstants.nullid
            }
            for p, n in files.items():
                # We intentionally set NULLs for any file parentage
                # information so it'll get demand-computed later. We
                # used to do it right here, and it was _very_ slow.