hg copy -A and broken symlinks in Mercurial 1.4?

[Dave Johansen]

I ran into an issue with Mercurial 1.4 (the version used in RHEL 6) not
handling broken symlinks properly. I opened a Bugzilla against it which
demonstrates the issue:
http://selenic.com/pipermail/mercurial-devel/2012-July/042289.html

It appears that this is fixed in newer versions of Mercurial, so I did some
searching through the mail archives and these seemed like the most likely
candidates for the fixes:
http://selenic.com/pipermail/mercurial-devel/2012-July/042289.html
http://selenic.com/pipermail/mercurial-devel/2007-March/001212.html

Does anyone have any input on the fix for this in Mercurial 1.4?

Also, is 1.4 still being maintained so version 1.4.4 could be released with
this fix? Or is a fix for this issue just going to have to be maintained
downstream by RedHat?

Thanks,
Dave
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