crew: qrefresh -D/-d confusion

[Giorgos Keramidas]

I think I'm a bit confused about -D and/or remember something that is
not true.  After running the following commands I'd expect that the
`qrefresh -D' command would update the MQ patch to contain the current
date, but it doesn't.

  keramida at kobe:/tmp$ hg init hgtest
  keramida at kobe:/tmp$ cd hgtest
  keramida at kobe:/tmp/hgtest$ echo foo > foo
  keramida at kobe:/tmp/hgtest$ hg add
  adding foo
  keramida at kobe:/tmp/hgtest$ hg ci -d '0 0' -m 'add foo'
  keramida at kobe:/tmp/hgtest$ hg log --style compact
  0[tip]   4c221c707433   1970-01-01 00:00 +0000   keramida
    add foo

  keramida at kobe:/tmp/hgtest$ hg qinit -c
  keramida at kobe:/tmp/hgtest$ echo foobar > foo
  keramida at kobe:/tmp/hgtest$ hg qnew --git -f -m 'patch foo' patch-001
  keramida at kobe:/tmp/hgtest$ head .hg/patches/patch-001
  patch foo

  diff --git a/foo b/foo
  --- a/foo
  +++ b/foo
  @@ -1,1 +1,1 @@
  -foo
  +foobar

After explicitly overwriting the patch with 'hg export' it seems to work
though:

  keramida at kobe:/tmp/hgtest$ hg export tip > .hg/patches/patch-001 
  keramida at kobe:/tmp/hgtest$ hg qpop
  keramida at kobe:/tmp/hgtest$ hg qpush
  keramida at kobe:/tmp/hgtest$ hg log --style compact
  1[qtip,patch-001,tip,qbase]   a6049da4f398   2009-06-07 00:56 +0300   keramida
    patch foo
  ...
  keramida at kobe:/tmp/hgtest$ sleep 30 ; hg qrefresh -D
  keramida at kobe:/tmp/hgtest$ hg log --style compact
  1[qtip,patch-001,tip,qbase]   9e262a412b99   2009-06-07 00:58 +0300   keramida
    patch foo

If I want to update the dates of related patches to a single date/time,
do I really have to *always* overwrite them with hg export before using
the -D or -d options of qrefresh?

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