( )⚙ D10280 refactor: prefer lookup by revision, even for null

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Differential D10280

refactor: prefer lookup by revision, even for null
ClosedPublic

Authored by joerg.sonnenberger on Mar 28 2021, 5:11 PM.

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rHGad878e3f282b: refactor: prefer lookup by revision, even for null
Summary

While the nullid lookup is a special case, it is still more complicated.
The common pattern is to lookup via nullrev so be consistent here.

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joerg.sonnenberger retitled this revision from cmdutil: simplify to cmdutil: prefer lookup by revision, even for null.Mar 29 2021, 8:25 PM
joerg.sonnenberger edited the summary of this revision. (Show Details)
joerg.sonnenberger retitled this revision from cmdutil: prefer lookup by revision, even for null to refactor: prefer lookup by revision, even for null.Mar 29 2021, 8:33 PM
joerg.sonnenberger updated this revision to Diff 26627.
joerg.sonnenberger added a commit: rHGad878e3f282b: refactor: prefer lookup by revision, even for null.Mar 30 2021, 4:23 PM
This revision was not accepted when it landed; it landed in state Needs Review.
Closed by commit rHGad878e3f282b: refactor: prefer lookup by revision, even for null (authored by joerg.sonnenberger). · Explain Why
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathPackages
Mmercurial/cmdutil.py (7 lines)

Diff 26611

mercurial/cmdutil.py

import errno import errno
import os import os
import re import re
from .i18n import _ from .i18n import _
from .node import ( from .node import (
hex, hex,
nullid, nullid,
nullrev,
short, short,
) )
from .pycompat import ( from .pycompat import (
getattr, getattr,
open, open,
setattr, setattr,
) )
from .thirdparty import attr from .thirdparty import attr
# pickup the patch msg # pickup the patch msg
message = message.strip() message = message.strip()
else: else:
# launch the editor # launch the editor
message = None message = None
ui.debug(b'message:\n%s\n' % (message or b'')) ui.debug(b'message:\n%s\n' % (message or b''))
if len(parents) == 1: if len(parents) == 1:
parents.append(repo[nullid]) parents.append(repo[nullrev])
if opts.get(b'exact'): if opts.get(b'exact'):
if not nodeid or not p1: if not nodeid or not p1:
raise error.InputError(_(b'not a Mercurial patch')) raise error.InputError(_(b'not a Mercurial patch'))
p1 = repo[p1] p1 = repo[p1]
p2 = repo[p2 or nullid] p2 = repo[p2 or nullrev]
elif p2: elif p2:
try: try:
p1 = repo[p1] p1 = repo[p1]
p2 = repo[p2] p2 = repo[p2]
# Without any options, consider p2 only if the # Without any options, consider p2 only if the
# patch is being applied on top of the recorded # patch is being applied on top of the recorded
# first parent. # first parent.
if p1 != parents[0]: if p1 != parents[0]:
p1 = parents[0] p1 = parents[0]
p2 = repo[nullid] p2 = repo[nullrev]
except error.RepoError: except error.RepoError:
p1, p2 = parents p1, p2 = parents
if p2.node() == nullid: if p2.node() == nullid:
ui.warn( ui.warn(
_( _(
b"warning: import the patch as a normal revision\n" b"warning: import the patch as a normal revision\n"
b"(use --exact to import the patch as a merge)\n" b"(use --exact to import the patch as a merge)\n"
) )