tests/test-commit-copy.t

cmdutil: normalize log message eols when reading from file

This will be necessary once util.readfile() operates in binary mode. While
changelog.add() already normalizes the message, doing so in logmessage() is
required as ui.edit() or others expect messages with LF only.

  $ hg init dir
  $ cd dir
  $ echo bleh > bar
  $ hg add bar
  $ hg ci -m 'add bar'

  $ hg cp bar foo
  $ echo >> bar
  $ hg ci -m 'cp bar foo; change bar'

  $ hg debugrename foo
  foo renamed from bar:26d3ca0dfd18e44d796b564e38dd173c9668d3a9
  $ hg debugindex bar
     rev    offset  length   base linkrev nodeid       p1           p2
       0         0       6      0       0 26d3ca0dfd18 000000000000 000000000000
       1         6       7      1       1 d267bddd54f7 26d3ca0dfd18 000000000000