ingo@aeolus:~/hg-test$ hg cp foo foo2
ingo@aeolus:~/hg-test$ hg ci -m "copy foo"
ingo@aeolus:~/hg-test$ hg export tip
# HG changeset patch
# User planetmaker <planetmaker@openttd.org>
# Date 1415711194 -3600
#      Tue Nov 11 14:06:34 2014 +0100
# Node ID 0b428aa7bdf8495abd33fa427000317fc9b85dd2
# Parent  888a9a6be6b389f23e5d9eaa23abe3561b655512
copy foo

diff --git a/foo b/foo2
copy from foo
copy to foo2
ingo@aeolus:~/hg-test$ hg mv foo2 foo22
ingo@aeolus:~/hg-test$ hg ci -m "Move foo2"
ingo@aeolus:~/hg-test$ hg export tip
# HG changeset patch
# User planetmaker <planetmaker@openttd.org>
# Date 1415711229 -3600
#      Tue Nov 11 14:07:09 2014 +0100
# Node ID 36479da8f2668218a3c99347cf90a15dd24e98d0
# Parent  0b428aa7bdf8495abd33fa427000317fc9b85dd2
Move foo2

diff --git a/foo2 b/foo22
rename from foo2
rename to foo22