dirstate: wrap setparent calls with begin/endparentchange (
issue4353)
This wraps all the locations of dirstate.setparent with the appropriate
begin/endparentchange calls. This will prevent exceptions during those calls
from causing incoherent dirstates (
issue4353).
http://mercurial.selenic.com/bts/issue1089
$ hg init
$ mkdir a
$ echo a > a/b
$ hg ci -Am m
adding a/b
$ hg rm a
removing a/b (glob)
$ hg ci -m m a
$ mkdir a b
$ echo a > a/b
$ hg ci -Am m
adding a/b
$ hg rm a
removing a/b (glob)
$ cd b
Relative delete:
$ hg ci -m m ../a
$ cd ..