view tests/test-empty-group @ 12039:18e1e7520b67 stable

alias: make shadowing behavior more consistent (issue2054)

Currently, given an alias like the following:

    [alias]
    summary = summary --remote

The alias might be executed - or it might not - depending on the order
of the cmdtable dict.

This happens because cmdalias gets assigned back to the cmdtable like so:

    cmdtable['summary'] = ...

Yet '^summary|sum' is still in the table, so which one cmdutil.findcmd()
chooses isn't deterministic.

This patch makes cmdalias assign back to '^summary|sum'. It uses the same
cmdtable key lookup that extensions.wrapcommand() does.

#!/bin/sh
#
#  A          B
#
#  3  4       3
#  |\/|       |\
#  |/\|       | \
#  1  2       1  2
#  \ /        \ /
#   0          0
#
# if the result of the merge of 1 and 2
# is the same in 3 and 4, no new manifest
# will be created and the manifest group
# will be empty during the pull
#
# (plus we test a failure where outgoing
# wrongly reported the number of csets)
#

hg init a
cd a
touch init
hg ci -A -m 0 -d "1000000 0"
touch x y
hg ci -A -m 1 -d "1000000 0"
hg update 0
touch x y
hg ci -A -m 2 -d "1000000 0"
hg merge 1
hg ci -A -m m1 -d "1000000 0"
#hg log
#hg debugindex .hg/store/00manifest.i
hg update -C 1
hg merge 2
hg ci -A -m m2 -d "1000000 0"
#hg log
#hg debugindex .hg/store/00manifest.i

cd ..
hg clone -r 3 a b
hg clone -r 4 a c
hg -R a outgoing b
hg -R a outgoing c
hg -R b outgoing c
hg -R c outgoing b

hg -R b pull a
hg -R c pull a