context: avoid using a context object as a changeid
I find it misleading to pass changeid=changectx. It currently works to
do that because there's weird (IMO) handling of it in
basectx.__new__. I'm planning on removing that code. Passing changeid
as "changeid" and context as "context" makes it more readable.
Note that the documentation of filectx.__init__ doesn't even seem to
be aware that a changeid can be a context ("changeset revision, node,
or tag").
Differential Revision: https://phab.mercurial-scm.org/D2967
#
# tcsh completion for Mercurial
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# Copyright (C) 2005 TK Soh.
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complete hg \
'n/--cwd/d/' 'n/-R/d/' 'n/--repository/d/' \
'C/-/( -R --repository \
--cwd \
-y --noninteractive \
-q --quiet \
-v --verbose \
--config \
--debug \
--debugger \
--encoding \
--encodingmode \
--traceback \
--time \
--profile \
--version \
-h --help)/' \
'p/1/(add addremove annotate blame archive \
backout bisect bookmarks branch branches \
bundle cat clone commit ci \
copy cp debugancestor debugbuilddag debugcheckstate \
debugcommands debugcomplete debugdag debugdata debugdate \
debugfsinfo debugignore debugindex debugindexdot debuginstall \
debugpushkey debugrebuildstate debugrename debugrevspec debugsetparents \
debugstate debugsub debugwalk diff export \
forget grep heads help identify \
id import patch incoming in \
init locate log history manifest \
merge outgoing out parents paths \
pull push recover remove rm \
rename move mv resolve revert \
rollback root serve showconfig debugconfig \
status st summary sum tag \
tags tip unbundle update up \
checkout co verify version)/'