$find bin -type f | xargs darcs replace --force useage usage
plink: unknown option "-O"
Skipping file 'bin/instance/.instanceXmlToDiff.swp' which isn't in the
repository.
realdarcs.exe: bug in darcs!
weird forcing bug in replace.
Please report this to bugs@darcs.net,
If possible include the output of 'darcs --exact-version'.
$darcs --exact-version
darcs compiled on May 14 2006, at 15:38:56
# configured Sun May 14 15:29:40 USMST 2006
./configure --disable-mmap

Context:

[TAG 1.0.7
Tommy Pettersson <ptp@lysator.liu.se>**20060513171438]

Chris,

Thanks for the report. Could you re-test with one of the Darcs2 binaries
available here? 

http://wiki.darcs.net/index.html/DarcsTwo

   Mark

This bug triggered on Windows from 2006 is now "presumed-dead", with no other
reports of the issue and no follow-up from the reporter after a request to
re-test a couple of weeks ago.

Of course, if the bug is spotted again, please re-open this issue report.